diff --git a/extensions/Miyo/Buffer.js b/extensions/Miyo/Buffer.js
new file mode 100644
index 0000000000..a04acbf167
--- /dev/null
+++ b/extensions/Miyo/Buffer.js
@@ -0,0 +1,762 @@
+// Name: Buffers
+// ID: 0znzwBuffers
+// Description: Manipulate binary data.
+// By: 0znzw <https://scratch.mit.edu/users/0znzw/>
+// License: MIT AND LGPL-3.0
+(function (Scratch) {
+  "use strict";
+  if (!Scratch.extensions.unsandboxed) {
+    throw new Error(`"Buffers" extension needs to be ran unsandboxed.`);
+  }
+
+  // For type checking
+  const ArrayBuffer = new Uint8Array().buffer.constructor,
+    TypedArray = Uint8Array.prototype.__proto__.constructor;
+  // The basic imports
+  const { vm, Cast, BlockType, ArgumentType } = Scratch;
+  const { runtime } = vm;
+  // Extension id
+  const extId = "0znzwBuffers";
+
+  // Clamping values
+  const clamp = function (num, min, max) {
+    return Math.min(Math.max(num, min), max);
+  };
+
+  // For swapping between little endian and big endian
+  function _swap8(val) {
+    return (
+      ((val & 0x1) << 7) |
+      ((val & 0x2) << 5) |
+      ((val & 0x4) << 3) |
+      ((val & 0x8) << 1) |
+      ((val >> 1) & 0x8) |
+      ((val >> 3) & 0x4) |
+      ((val >> 5) & 0x2) |
+      ((val >> 7) & 0x1)
+    );
+  }
+  function _swap16(val) {
+    return ((val & 0xff) << 8) | ((val >> 8) & 0xff);
+  }
+  function _swap32(val) {
+    return (
+      ((val & 0xff) << 24) |
+      ((val & 0xff00) << 8) |
+      ((val >> 8) & 0xff00) |
+      ((val >> 24) & 0xff)
+    );
+  }
+  const pcLittleEndian = (() => {
+    var arrayBuffer = new ArrayBuffer(2);
+    var uint8Array = new Uint8Array(arrayBuffer);
+    var uint16array = new Uint16Array(arrayBuffer);
+    uint8Array[0] = 0xaa; // set first byte
+    uint8Array[1] = 0xbb; // set second byte
+    if (uint16array[0] === 0xbbaa) return true;
+    if (uint16array[0] === 0xaabb) return false;
+    // This should never happen so no need to worry about the error message.
+    else throw new Error("What, the, frick-");
+  })();
+
+  // Some classes we need later
+  const { Buffer, Base64 } = function (window, globalThis) {
+    // https://github.com/feross/buffer | Feross Aboukhadijeh <https://feross.org/opensource> | https://nodejs.org/docs/latest-v21.x/api/buffer.html
+    // https://github.com/beatgammit/base64-js
+    // Licenses: (Buffer: MIT, ieee754: BSD-3-Clause, base64-js: MIT)
+    /* eslint-disable */
+    // Buffer
+    // prettier-ignore
+    !function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).Buffer=t()}}((function(){return function t(e,r,n){function i(f,u){if(!r[f]){if(!e[f]){var s="function"==typeof require&&require;if(!u&&s)return s(f,!0);if(o)return o(f,!0);var h=new Error("Cannot find module '"+f+"'");throw h.code="MODULE_NOT_FOUND",h}var a=r[f]={exports:{}};e[f][0].call(a.exports,(function(t){return i(e[f][1][t]||t)}),a,a.exports,t,e,r,n)}return r[f].exports}for(var o="function"==typeof require&&require,f=0;f<n.length;f++)i(n[f]);return i}({1:[function(t,e,r){"use strict";r.byteLength=function(t){var e=s(t),r=e[0],n=e[1];return 3*(r+n)/4-n},r.toByteArray=function(t){var e,r,n=s(t),f=n[0],u=n[1],h=new o(function(t,e,r){return 3*(e+r)/4-r}(0,f,u)),a=0,c=u>0?f-4:f;for(r=0;r<c;r+=4)e=i[t.charCodeAt(r)]<<18|i[t.charCodeAt(r+1)]<<12|i[t.charCodeAt(r+2)]<<6|i[t.charCodeAt(r+3)],h[a++]=e>>16&255,h[a++]=e>>8&255,h[a++]=255&e;2===u&&(e=i[t.charCodeAt(r)]<<2|i[t.charCodeAt(r+1)]>>4,h[a++]=255&e);1===u&&(e=i[t.charCodeAt(r)]<<10|i[t.charCodeAt(r+1)]<<4|i[t.charCodeAt(r+2)]>>2,h[a++]=e>>8&255,h[a++]=255&e);return h},r.fromByteArray=function(t){for(var e,r=t.length,i=r%3,o=[],f=16383,u=0,s=r-i;u<s;u+=f)o.push(h(t,u,u+f>s?s:u+f));1===i?(e=t[r-1],o.push(n[e>>2]+n[e<<4&63]+"==")):2===i&&(e=(t[r-2]<<8)+t[r-1],o.push(n[e>>10]+n[e>>4&63]+n[e<<2&63]+"="));return o.join("")};for(var n=[],i=[],o="undefined"!=typeof Uint8Array?Uint8Array:Array,f="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",u=0;u<64;++u)n[u]=f[u],i[f.charCodeAt(u)]=u;function s(t){var e=t.length;if(e%4>0)throw new Error("Invalid string. Length must be a multiple of 4");var r=t.indexOf("=");return-1===r&&(r=e),[r,r===e?0:4-r%4]}function h(t,e,r){for(var i,o,f=[],u=e;u<r;u+=3)i=(t[u]<<16&16711680)+(t[u+1]<<8&65280)+(255&t[u+2]),f.push(n[(o=i)>>18&63]+n[o>>12&63]+n[o>>6&63]+n[63&o]);return f.join("")}i["-".charCodeAt(0)]=62,i["_".charCodeAt(0)]=63},{}],2:[function(t,e,r){(function(e){(function(){
+    // prettier-ignore
+    "use strict";var e=t("base64-js"),n=t("ieee754");r.Buffer=f,r.SlowBuffer=function(t){+t!=t&&(t=0);return f.alloc(+t)},r.INSPECT_MAX_BYTES=50;var i=2147483647;function o(t){if(t>i)throw new RangeError('The value "'+t+'" is invalid for option "size"');var e=new Uint8Array(t);return e.__proto__=f.prototype,e}function f(t,e,r){if("number"==typeof t){if("string"==typeof e)throw new TypeError('The "string" argument must be of type string. Received type number');return h(t)}return u(t,e,r)}function u(t,e,r){if("string"==typeof t)return function(t,e){"string"==typeof e&&""!==e||(e="utf8");if(!f.isEncoding(e))throw new TypeError("Unknown encoding: "+e);var r=0|p(t,e),n=o(r),i=n.write(t,e);i!==r&&(n=n.slice(0,i));return n}(t,e);if(ArrayBuffer.isView(t))return a(t);if(null==t)throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. 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t=+t,e>>>=0,r||C(this,t,e,2,65535,0),this[e]=255&t,this[e+1]=t>>>8,e+2},s.prototype.writeUint16BE=s.prototype.writeUInt16BE=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,2,65535,0),this[e]=t>>>8,this[e+1]=255&t,e+2},s.prototype.writeUint32LE=s.prototype.writeUInt32LE=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,4,4294967295,0),this[e+3]=t>>>24,this[e+2]=t>>>16,this[e+1]=t>>>8,this[e]=255&t,e+4},s.prototype.writeUint32BE=s.prototype.writeUInt32BE=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,4,4294967295,0),this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t,e+4},s.prototype.writeBigUInt64LE=Q((function(t,e=0){return M(this,t,e,BigInt(0),BigInt("0xffffffffffffffff"))})),s.prototype.writeBigUInt64BE=Q((function(t,e=0){return k(this,t,e,BigInt(0),BigInt("0xffffffffffffffff"))})),s.prototype.writeIntLE=function(t,e,r,n){if(t=+t,e>>>=0,!n){const n=Math.pow(2,8*r-1);C(this,t,e,r,n-1,-n)}let i=0,o=1,f=0;for(this[e]=255&t;++i<r&&(o*=256);)t<0&&0===f&&0!==this[e+i-1]&&(f=1),this[e+i]=(t/o>>0)-f&255;return e+r},s.prototype.writeIntBE=function(t,e,r,n){if(t=+t,e>>>=0,!n){const n=Math.pow(2,8*r-1);C(this,t,e,r,n-1,-n)}let i=r-1,o=1,f=0;for(this[e+i]=255&t;--i>=0&&(o*=256);)t<0&&0===f&&0!==this[e+i+1]&&(f=1),this[e+i]=(t/o>>0)-f&255;return e+r},s.prototype.writeInt8=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,1,127,-128),t<0&&(t=255+t+1),this[e]=255&t,e+1},s.prototype.writeInt16LE=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,2,32767,-32768),this[e]=255&t,this[e+1]=t>>>8,e+2},s.prototype.writeInt16BE=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,2,32767,-32768),this[e]=t>>>8,this[e+1]=255&t,e+2},s.prototype.writeInt32LE=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,4,2147483647,-2147483648),this[e]=255&t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24,e+4},s.prototype.writeInt32BE=function(t,e,r){return t=+t,e>>>=0,r||C(this,t,e,4,2147483647,-2147483648),t<0&&(t=4294967295+t+1),this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t,e+4},s.prototype.writeBigInt64LE=Q((function(t,e=0){return M(this,t,e,-BigInt("0x8000000000000000"),BigInt("0x7fffffffffffffff"))})),s.prototype.writeBigInt64BE=Q((function(t,e=0){return k(this,t,e,-BigInt("0x8000000000000000"),BigInt("0x7fffffffffffffff"))})),s.prototype.writeFloatLE=function(t,e,r){return N(this,t,e,!0,r)},s.prototype.writeFloatBE=function(t,e,r){return N(this,t,e,!1,r)},s.prototype.writeDoubleLE=function(t,e,r){return $(this,t,e,!0,r)},s.prototype.writeDoubleBE=function(t,e,r){return $(this,t,e,!1,r)},s.prototype.copy=function(t,e,r,n){if(!H(t,Uint8Array))throw new TypeError("argument should be a Buffer");if(r||(r=0),n||0===n||(n=this.length),e>=t.length&&(e=t.length),e||(e=0),n>0&&n<r&&(n=r),n===r)return 0;if(0===t.length||0===this.length)return 0;if(e<0)throw new RangeError("targetStart out of bounds");if(r<0||r>=this.length)throw new RangeError("Index out of range");if(n<0)throw new RangeError("sourceEnd out of bounds");n>this.length&&(n=this.length),t.length-e<n-r&&(n=t.length-e+r);const i=n-r;return this===t&&"function"==typeof Uint8Array.prototype.copyWithin?this.copyWithin(e,r,n):Uint8Array.prototype.set.call(t,this.subarray(r,n),e),i},s.prototype.fill=function(t,e,r,n){if("string"==typeof t){if("string"==typeof e?(n=e,e=0,r=this.length):"string"==typeof r&&(n=r,r=this.length),n!==undefined&&"string"!=typeof n)throw new TypeError("encoding must be a string");if("string"==typeof n&&!s.isEncoding(n))throw new TypeError("Unknown encoding: "+n);if(1===t.length){const e=t.charCodeAt(0);("utf8"===n&&e<128||"latin1"===n)&&(t=e)}}else"number"==typeof t?t&=255:"boolean"==typeof t&&(t=Number(t));if(e<0||this.length<e||this.length<r)throw new RangeError("Out of range index");if(r<=e)return this;let i;if(e>>>=0,r=r===undefined?this.length:r>>>0,t||(t=0),"number"==typeof t)for(i=e;i<r;++i)this[i]=t;else{const o=H(t,Uint8Array)?t:s.from(t,n),f=o.length;if(0===f)throw new TypeError('The value "'+t+'" is invalid for argument "value"');for(i=0;i<r-e;++i)this[i+e]=o[i%f]}return this};const j={};function F(t,e,r){function n(){const i=new r(e.apply(null,arguments));return Object.setPrototypeOf(i,n.prototype),i.code=t,i.name=`${i.name} [${t}]`,Error.captureStackTrace&&Error.captureStackTrace(i,n),i.stack,delete i.name,i}Object.setPrototypeOf(n.prototype,r.prototype),Object.setPrototypeOf(n,r),n.prototype.toString=function(){return`${this.name} [${t}]: ${this.message}`},j[t]=n}function z(t){let e="",r=t.length;const n="-"===t[0]?1:0;for(;r>=n+4;r-=3)e=`_${t.slice(r-3,r)}${e}`;return`${t.slice(0,r)}${e}`}function D(t,e,r,n,i,o){if(t>r||t<e){const n="bigint"==typeof e?"n":"";let i;throw i=o>3?0===e||e===BigInt(0)?`>= 0${n} and < 2${n} ** ${8*(o+1)}${n}`:`>= -(2${n} ** ${8*(o+1)-1}${n}) and < 2 ** ${8*(o+1)-1}${n}`:`>= ${e}${n} and <= ${r}${n}`,new j.ERR_OUT_OF_RANGE("value",i,t)}!function(t,e,r){Y(e,"offset"),t[e]!==undefined&&t[e+r]!==undefined||q(e,t.length-(r+1))}(n,i,o)}function Y(t,e){if("number"!=typeof t)throw new j.ERR_INVALID_ARG_TYPE(e,"number",t)}function q(t,e,r){if(Math.floor(t)!==t)throw Y(t,r),new j.ERR_OUT_OF_RANGE(r||"offset","an integer",t);if(e<0)throw new j.ERR_BUFFER_OUT_OF_BOUNDS;throw new j.ERR_OUT_OF_RANGE(r||"offset",`>= ${r?1:0} and <= ${e}`,t)}F("ERR_BUFFER_OUT_OF_BOUNDS",(function(t){return t?`${t} is outside of buffer bounds`:"Attempt to access memory outside buffer bounds"}),RangeError),F("ERR_INVALID_ARG_TYPE",(function(t,e){return`The "${t}" argument must be of type number. 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+    // base64js
+    // prettier-ignore
+    (function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,b.base64js=a()}})(function(){return function(){function b(d,e,g){function a(j,i){if(!e[j]){if(!d[j]){var f="function"==typeof require&&require;if(!i&&f)return f(j,!0);if(h)return h(j,!0);var c=new Error("Cannot find module '"+j+"'");throw c.code="MODULE_NOT_FOUND",c}var k=e[j]={exports:{}};d[j][0].call(k.exports,function(b){var c=d[j][1][b];return a(c||b)},k,k.exports,b,d,e,g)}return e[j].exports}for(var h="function"==typeof require&&require,c=0;c<g.length;c++)a(g[c]);return a}return b}()({"/":[function(a,b,c){'use strict';function d(a){var b=a.length;if(0<b%4)throw new Error("Invalid string. Length must be a multiple of 4");var c=a.indexOf("=");-1===c&&(c=b);var d=c===b?0:4-c%4;return[c,d]}function e(a,b,c){return 3*(b+c)/4-c}function f(a){var b,c,f=d(a),g=f[0],h=f[1],j=new m(e(a,g,h)),k=0,n=0<h?g-4:g;for(c=0;c<n;c+=4)b=l[a.charCodeAt(c)]<<18|l[a.charCodeAt(c+1)]<<12|l[a.charCodeAt(c+2)]<<6|l[a.charCodeAt(c+3)],j[k++]=255&b>>16,j[k++]=255&b>>8,j[k++]=255&b;return 2===h&&(b=l[a.charCodeAt(c)]<<2|l[a.charCodeAt(c+1)]>>4,j[k++]=255&b),1===h&&(b=l[a.charCodeAt(c)]<<10|l[a.charCodeAt(c+1)]<<4|l[a.charCodeAt(c+2)]>>2,j[k++]=255&b>>8,j[k++]=255&b),j}function g(a){return k[63&a>>18]+k[63&a>>12]+k[63&a>>6]+k[63&a]}function h(a,b,c){for(var d,e=[],f=b;f<c;f+=3)d=(16711680&a[f]<<16)+(65280&a[f+1]<<8)+(255&a[f+2]),e.push(g(d));return e.join("")}function j(a){for(var b,c=a.length,d=c%3,e=[],f=16383,g=0,j=c-d;g<j;g+=f)e.push(h(a,g,g+f>j?j:g+f));return 1===d?(b=a[c-1],e.push(k[b>>2]+k[63&b<<4]+"==")):2===d&&(b=(a[c-2]<<8)+a[c-1],e.push(k[b>>10]+k[63&b>>4]+k[63&b<<2]+"=")),e.join("")}c.byteLength=function(a){var b=d(a),c=b[0],e=b[1];return 3*(c+e)/4-e},c.toByteArray=f,c.fromByteArray=j;for(var k=[],l=[],m="undefined"==typeof Uint8Array?Array:Uint8Array,n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",o=0,p=n.length;o<p;++o)k[o]=n[o],l[n.charCodeAt(o)]=o;l[45]=62,l[95]=63},{}]},{},[])("/")});
+    /* eslint-enable */
+    return {
+      Buffer: window.Buffer.Buffer,
+      Base64: window.base64js,
+    };
+  }.call({}, {}, {});
+
+  // Cool little utility I made for waiting for extensions to load.
+  const modExtension = (function () {
+    // A check if the user is in the editor
+    /* eslint-disable no-undef */
+    const inEditor = () =>
+      !!(
+        !ReduxStore?.getState?.()?.scratchGui?.mode.isPlayerOnly &&
+        ReduxStore?.getState?.()?.scratchGui?.mode.hasEverEnteredEditor
+      );
+    /* eslint-enable no-undef */
+    // Wait for some extensions
+    const waiting = new Map(),
+      registerOnLoad = [];
+    vm.on("EXTENSION_ADDED", (extension) => {
+      if (extension.id === extId) {
+        // Load anything that needs loaded when our extension is added
+        let fn = () => {};
+        while ((fn = registerOnLoad.shift())) {
+          fn(inEditor());
+        }
+        vm.extensionManager.refreshBlocks();
+      } else if (waiting.has(extension.id)) {
+        // Check if this is a waiting extension and if it is remove it from the waitlist
+        // and run the function 300ms later (to allow for the refresh to take effect correctly)
+        const fn = waiting.get(extension.id);
+        waiting.delete(extension.id);
+        setTimeout(() => {
+          fn(inEditor());
+          vm.extensionManager.refreshBlocks();
+        }, 300);
+      }
+    });
+    return (extensionId, callback) => {
+      // If the extension is already loaded then just wait for us to load
+      // then run the function.
+      if (vm.extensionManager.isExtensionLoaded(extensionId))
+        registerOnLoad.push(callback);
+      // Otherwise set it to be waiting with the callback
+      else waiting.set(extensionId, callback);
+    };
+  })();
+  modExtension(
+    "cst1229zip",
+    () => (runtime.ext_cst1229zip._showArrayBufferOption = true)
+  );
+  modExtension(
+    "filesExpanded",
+    () => (runtime.ext_filesexpanded._showUnsafeOptions = true)
+  );
+
+  // This is probably not a good implementation but IDC it does what I need.
+  class View {
+    constructor(arrayBuffer) {
+      // Make sure this is a valid argument and arraybuffer
+      if (!arrayBuffer) throw new Error("View takes 1 arguments but found 0");
+      if (!(arrayBuffer instanceof ArrayBuffer))
+        throw new TypeError(
+          `TypeError: The first argument must be ArrayBuffer. Received type ${typeof arrayBuffer}`
+        );
+      this.buffer = new Buffer(arrayBuffer);
+      // Some info about the Buffer / View
+      this.length = Number(this.buffer.length);
+      this.littleEndian = false;
+      this.byteOffset = 0;
+    }
+    // Utils
+    _checkIdx(idx) {
+      // Make sure the index is greater than zero but not the length
+      if (idx + this.byteOffset > this.length - 1 || idx < 0)
+        throw new Error(
+          `Index (${idx}) is out of bounds of the view (${this.length})`
+        );
+    }
+    get arrayBuffer() {
+      // Get the arrayBuffer
+      return this.buffer.slice(this.byteOffset, this.byteOffset + this.length)
+        .buffer;
+    }
+    // Some management functions
+    copy(target, ...args) {
+      // Allocate / get the buffer
+      target = target || Buffer.allocUnsafe(this.length);
+      if (target instanceof View) target = target.buffer;
+      // Run the copy and return a View
+      this.buffer.copy(target, ...args);
+      return new View(target.buffer);
+    }
+    fill(byte) {
+      // Just a map lol
+      this.buffer.fill(byte);
+    }
+    concat(other) {
+      // Allocate a buffer thats the length of both buffers
+      const buff = Buffer.allocUnsafe(this.length + other.length);
+      // Copy the buffers into the new buffer
+      this.buffer.copy(buff, 0, 0, this.length);
+      other.copy(buff, this.length, 0, other.length);
+      // Return a view
+      return new View(buff);
+    }
+    // Data manipulation
+    getInt8(idx, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      return this.buffer.readInt8(idx);
+    }
+    setInt8(idx, val, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      return this.buffer.writeInt8(val, idx);
+    }
+    getInt16(idx, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.readInt16LE(idx);
+      else return this.buffer.readInt16BE(idx);
+    }
+    setInt16(idx, val, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.writeInt16LE(val, idx);
+      else return this.buffer.writeInt16BE(val, idx);
+    }
+    getInt32(idx, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.readInt32LE(idx);
+      else return this.buffer.readInt32BE(idx);
+    }
+    setInt32(idx, val, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.writeInt32LE(val, idx);
+      else return this.buffer.writeInt32BE(val, idx);
+    }
+    getUint8(idx, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      return this.buffer.readUint8(idx);
+    }
+    setUint8(idx, val, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      return this.buffer.writeUint8(val, idx);
+    }
+    getUint16(idx, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.readUint16LE(idx);
+      else return this.buffer.readUint16BE(idx);
+    }
+    setUint16(idx, val, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.writeUint16LE(val, idx);
+      else return this.buffer.writeUint16BE(val, idx);
+    }
+    getUint32(idx, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.readUint32LE(idx);
+      else return this.buffer.readUint32BE(idx);
+    }
+    setUint32(idx, val, littleEndian = this.littleEndian) {
+      this._checkIdx(idx), (idx += this.byteOffset);
+      if (littleEndian) return this.buffer.writeUint32LE(val, idx);
+      else return this.buffer.writeUint32BE(val, idx);
+    }
+  }
+
+  class extension {
+    constructor() {
+      // The last block error
+      this.lastErr = "";
+      // All the views
+      this.views = new Map();
+      // Current view
+      this.view_name = "";
+      this.view = this.emptyView;
+      // Access methods (LE, BE, and the type)
+      this.accessMethod = "Uint8";
+      this.littleEndian = false;
+      // Encoders and decoders for the string option
+      this.textDecoder = new TextDecoder();
+      this.textEncoder = new TextEncoder();
+    }
+    // Some exports for any extension that wants them
+    static exports = {
+      Buffer,
+      Base64,
+      View,
+      _swap8,
+      _swap16,
+      _swap32,
+      TypedArray,
+      ArrayBuffer,
+    };
+    getInfo() {
+      return {
+        id: extId,
+        name: "Buffers",
+        color1: "#e855e3",
+        color2: "#e43ade",
+        color3: "#e43ade",
+        color4: "#e43ade",
+        blocks: [
+          {
+            blockType: BlockType.REPORTER,
+            func: "getAttr",
+            opcode: "getAttr1",
+            text: "[ATTR]",
+            arguments: {
+              ATTR: { type: ArgumentType.STRING, menu: "attr_type" },
+            },
+            allowDropAnywhere: true,
+          },
+          "---",
+          {
+            blockType: BlockType.BOOLEAN,
+            opcode: "hasView",
+            text: "buffer [NAME] exists?",
+            arguments: {
+              NAME: {
+                type: ArgumentType.STRING,
+                defaultValue: "my new buffer",
+              },
+            },
+          },
+          "---",
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "remove",
+            text: "delete buffer [NAME]",
+            arguments: {
+              NAME: { type: ArgumentType.STRING, defaultValue: "my buffer" },
+            },
+          },
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "create",
+            text: "new buffer [NAME] from [OPT] [DATA]",
+            arguments: {
+              NAME: { type: ArgumentType.STRING, defaultValue: "my buffer" },
+              OPT: { type: ArgumentType.STRING, menu: "creation_type" },
+              DATA: {
+                type: ArgumentType.STRING,
+                defaultValue: "Hello, World~",
+              },
+            },
+          },
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "use",
+            text: "use buffer [NAME]",
+            arguments: {
+              NAME: { type: ArgumentType.STRING, defaultValue: "my buffer" },
+            },
+          },
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "setAccessMethod",
+            text: "set access method to [SIGNED][TYPE][SIZE]",
+            arguments: {
+              SIGNED: { type: ArgumentType.STRING, menu: "is_signed" },
+              TYPE: { type: ArgumentType.STRING, menu: "number_type" },
+              SIZE: { type: ArgumentType.STRING, menu: "block_size" },
+            },
+          },
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "setLittleEndian",
+            text: "enable little endian: [LITTLE_ENDIAN]?",
+            arguments: {
+              LITTLE_ENDIAN: { type: ArgumentType.BOOLEAN },
+            },
+          },
+          "---",
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "setAtIdx",
+            text: "set byte [IDX] to [NUM]",
+            arguments: {
+              IDX: { type: ArgumentType.NUMBER, defaultValue: 1 },
+              NUM: { type: ArgumentType.NUMBER, defaultValue: 5 },
+            },
+          },
+          {
+            blockType: BlockType.REPORTER,
+            opcode: "getAtIdx",
+            text: "get byte [IDX]",
+            arguments: {
+              IDX: { type: ArgumentType.NUMBER, defaultValue: 1 },
+            },
+          },
+          {
+            blockType: BlockType.REPORTER,
+            func: "getAttr",
+            opcode: "getAttr2",
+            text: "current buffer as [ATTR]",
+            arguments: {
+              ATTR: { type: ArgumentType.STRING, menu: "attr_type2" },
+            },
+            allowDropAnywhere: true,
+          },
+          "---",
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "sliceIntoView",
+            text: "slice [START]-[END] into [NAME]",
+            arguments: {
+              START: { type: ArgumentType.NUMBER, defaultValue: 1 },
+              END: { type: ArgumentType.NUMBER, defaultValue: 5 },
+              NAME: {
+                type: ArgumentType.STRING,
+                defaultValue: "my new buffer",
+              },
+            },
+          },
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "mergeViews",
+            text: "merge [NAME1] and [NAME2] into buffer [NAME3]",
+            arguments: {
+              NAME1: { type: ArgumentType.STRING, defaultValue: "my buffer" },
+              NAME2: {
+                type: ArgumentType.STRING,
+                defaultValue: "my other buffer",
+              },
+              NAME3: {
+                type: ArgumentType.STRING,
+                defaultValue: "my new buffer",
+              },
+            },
+          },
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "cloneView",
+            text: "clone buffer into [NAME]",
+            arguments: {
+              NAME: {
+                type: ArgumentType.STRING,
+                defaultValue: "my new buffer",
+              },
+            },
+          },
+          {
+            blockType: BlockType.COMMAND,
+            opcode: "fillView",
+            text: "fill buffer with [BYTE]",
+            arguments: {
+              BYTE: { type: ArgumentType.STRING, defaultValue: 0 },
+            },
+          },
+          "---",
+          {
+            blockType: BlockType.REPORTER,
+            opcode: "swapEndians",
+            text: "swap endian for u[SIZE] [NUM]",
+            arguments: {
+              SIZE: { type: ArgumentType.STRING, menu: "block_size" },
+              NUM: { type: ArgumentType.NUMBER, defaultValue: 0 },
+            },
+          },
+        ],
+        menus: {
+          number_type: {
+            // Removed "float" because its a pain to support, and I do not see a use for it
+            items: ["int" /*, 'float'*/],
+            acceptReporters: true,
+          },
+          is_signed: {
+            items: ["signed", "unsigned"],
+            acceptReporters: true,
+          },
+          block_size: {
+            // Remove "64" because only floats and bigint use it
+            items: ["8", "16", "32" /*, '64'*/],
+            acceptReporters: false,
+          },
+          creation_type: {
+            // Removed "array" becayse arrayBuffer exists (and its better)
+            items: [
+              "text",
+              "length",
+              /*'array',*/ "base64",
+              "url",
+              "arrayBuffer",
+            ],
+            acceptReporters: true,
+          },
+          attr_type: {
+            items: [
+              { text: "last block error", value: "error" },
+              { text: "current buffer name", value: "name" },
+              { text: "current buffer length", value: "length" },
+              { text: "current access method", value: "access" },
+              { text: "is little endian enabled?", value: "le" },
+            ],
+            acceptReporters: true,
+          },
+          attr_type2: {
+            items: [
+              { text: "text", value: "as_text" },
+              // Removed for now due to arrayBuffer existing
+              /*{text: 'array', value: 'as_array'},*/
+              { text: "base64", value: "as_base64" },
+              { text: "arrayBuffer", value: "as_arrayBuffer" },
+            ],
+            acceptReporters: true,
+          },
+        },
+      };
+    }
+    // Util functions
+    get emptyView() {
+      // Return an empty view
+      return new View(new ArrayBuffer(0));
+    }
+    _CToSWO(str) {
+      if (typeof str === "object") return str;
+      return Cast.toString(str);
+    }
+    _toJSON(str) {
+      // If this is already
+      if (typeof str === "object") return str;
+      try {
+        return JSON.parse(str);
+      } catch {
+        return false;
+      }
+    }
+    lastBlockError() {
+      // Return the last block error
+      return this.lastErr;
+    }
+    // Some current data for the user
+    hasView({ NAME }) {
+      NAME = Cast.toString(NAME);
+      if (this.views.has(NAME)) return true;
+      return false;
+    }
+    // Empty opcode functions
+    getAttr1() {}
+    getAttr2() {}
+    // Shared getAttr function
+    getAttr({ ATTR }) {
+      ATTR = Cast.toString(ATTR);
+      switch (ATTR) {
+        // Some output options
+        case "as_text":
+          return this.view.buffer.toString("utf8");
+        case "as_array":
+          return JSON.stringify(this.view.toJSON());
+        case "as_base64":
+          return Base64.fromByteArray(this.view.buffer);
+        case "as_arrayBuffer":
+          return this.view.arrayBuffer;
+        // Real attrs
+        case "name":
+          return this.view_name;
+        case "length":
+          return this.view.length;
+        case "access":
+          return this.accessMethod;
+        case "le":
+          return this.littleEndian;
+        case "error":
+          return this.lastErr;
+        default:
+          return "";
+      }
+    }
+    // Management
+    setLittleEndian({ LITTLE_ENDIAN }) {
+      this.littleEndian = Cast.toBoolean(LITTLE_ENDIAN);
+    }
+    _remove(name) {
+      this.views.get(name).fill(0);
+      return this.views.delete(name);
+    }
+    remove({ NAME }) {
+      // Remove the view from the map
+      NAME = Cast.toString(NAME);
+      return this.views.delete(NAME);
+    }
+    async create({ NAME, OPT, DATA }) {
+      NAME = Cast.toString(NAME);
+      OPT = Cast.toString(OPT);
+      let buff;
+      // Remove the view from the map to temporarilly save memory
+      this.views.delete(NAME);
+      switch (OPT) {
+        case "length":
+          DATA = Cast.toNumber(DATA);
+          // Create the ArrayBuffer based on a number
+          // which makes it that length (filled with 0's)
+          buff = new ArrayBuffer(DATA);
+          break;
+        case "array":
+          // If the user wants to use slow and bad array they can :shrug:
+          DATA = this._toJSON(this._CToSWO(DATA));
+          if (!DATA || !Array.isArray(DATA)) {
+            this.lastErr = "Invalid array json.";
+            return false;
+          }
+          // Create the ArrayBuffer
+          buff = new ArrayBuffer(DATA);
+          break;
+        case "base64":
+          DATA = Cast.toString(DATA);
+          // Decode the base64 and get the ArrayBuffer
+          buff = Base64.toByteArray(DATA).buffer;
+          break;
+        case "url":
+          DATA = Cast.toString(DATA);
+          // Fetch the URL
+          if (!(await Scratch.canFetch(DATA))) return false;
+          buff = await Scratch.fetch(DATA);
+          if (!buff.ok) {
+            this.lastErr = "Failed to fetch";
+            return false;
+          }
+          // Get the ArrayBuffer
+          buff = await buff.arrayBuffer();
+          break;
+        case "text":
+          DATA = Cast.toString(DATA);
+          buff = this.textEncoder.encode(DATA).buffer;
+          break;
+        case "arrayBuffer":
+          // Make sure its actually an ArrayBuffer and not some random object
+          if (!(DATA instanceof ArrayBuffer)) {
+            this.lastErr = `Expected arrayBuffer got ${typeof DATA}:${DATA.constructor.name}`;
+            return false;
+          }
+          buff = DATA;
+          break;
+        default:
+          this.lastErr = "Unkown creation type";
+          return false;
+      }
+      // Add the view
+      this.views.set(NAME, new View(buff));
+      // Clear any errors
+      this.lastErr = "";
+      // If the view is the same as the one we just created automatically update the view
+      if (this.view_name === NAME) return this.use({ NAME });
+      return true;
+    }
+    use({ NAME }) {
+      NAME = Cast.toString(NAME);
+      // Check if the view exists
+      if (!this.views.has(NAME)) {
+        // Make the view empty to save memory
+        this.view = this.emptyView;
+        this.view_name = "";
+        this.lastErr = "Could not find Buffer";
+        return false;
+      }
+      // Update the current view
+      this.view_name = NAME;
+      this.view = this.views.get(NAME);
+      return true;
+    }
+    setAccessMethod({ SIGNED, TYPE, SIZE }) {
+      SIGNED = Cast.toString(SIGNED).toLowerCase() === "signed";
+      SIZE = Cast.toNumber(SIZE);
+      TYPE =
+        Cast.toString(TYPE).toLowerCase() === "int"
+          ? !SIGNED && SIZE <= 32
+            ? "Uint"
+            : "Int"
+          : "Float";
+      this.accessMethod = `${TYPE}${SIZE}`;
+    }
+    // Usage
+    setAtIdx({ IDX, NUM, LITTLE_ENDIAN }) {
+      if (!this.view) return false;
+      IDX = clamp(Cast.toNumber(IDX), 1, this.view.byteLength);
+      NUM = Cast.toNumber(NUM);
+      try {
+        // Set the value
+        this.view[`set${this.accessMethod}`](IDX - 1, NUM, this.littleEndian);
+        return true;
+      } catch (err) {
+        // Catch the error while setting
+        this.lastErr = err.message;
+        return false;
+      }
+    }
+    getAtIdx({ IDX }) {
+      if (!this.view) return "";
+      IDX = clamp(Cast.toNumber(IDX), 1, this.view.length);
+      try {
+        // Get the value
+        return this.view[`get${this.accessMethod}`](IDX - 1, this.littleEndian);
+      } catch (err) {
+        // Catch the error while getting
+        this.lastErr = err.message;
+        return "";
+      }
+    }
+    sliceIntoView({ NAME, START, END }) {
+      if (!this.view) return false;
+      END = Cast.toNumber(END);
+      // Clamp the start and end values to be in a valid range (prevents errors)
+      START = clamp(Cast.toNumber(START), 1, this.view.length) - 1;
+      // If end is 0 then just treat it like passing 1 argument to slice on an array
+      if (END !== 0) END = clamp(END, START + 1, this.view.length) - 1;
+      else END = this.view.length - 1;
+      // Get the size
+      const size = END - START + 1;
+      if (size < 1) {
+        this.lastErr = "Invalid size";
+        return false;
+      }
+      // Create the output view
+      const newBuff = new View(new ArrayBuffer(size));
+      for (let i = START; i <= END; i++) {
+        // Populate the view
+        newBuff[`set${this.accessMethod}`](
+          i - START,
+          this.view[`get${this.accessMethod}`](i)
+        );
+      }
+      // Set the buff into the output view in the map
+      this.views.set(Cast.toString(NAME), newBuff);
+      if (NAME === this.view_name) this.use({ NAME: this.view_name });
+      return true;
+    }
+    mergeViews({ NAME1, NAME2, NAME3 }) {
+      NAME1 = Cast.toString(NAME1);
+      NAME2 = Cast.toString(NAME2);
+      NAME3 = Cast.toString(NAME3);
+      // Make sure the 2 views exist
+      if (!this.views.has(NAME1) || !this.views.has(NAME2)) {
+        this.lastError = `Missing a view, cannot merge "${NAME1}" and "${NAME2}".`;
+        return false;
+      }
+      // Get the views
+      NAME1 = this.views.get(NAME1);
+      NAME2 = this.views.get(NAME2);
+      // Concat the 2 views
+      this.views.set(NAME3, NAME1.concat(NAME2));
+      if (NAME3 === this.view_name) this.use({ NAME: this.view_name });
+      return true;
+    }
+    cloneView({ NAME }) {
+      if (!this.view) return false;
+      // Clone the view and save it
+      NAME = Cast.toString(NAME);
+      this.views.set(NAME, this.view.copy());
+      if (NAME === this.view_name) this.use({ NAME: this.view_name });
+      return true;
+    }
+    fillView({ BYTE }) {
+      if (!this.view) return false;
+      // Fill the current view with the byte specified
+      // If this is a string grab the first letter, it will be converted to a number by the fill function
+      if (typeof BYTE !== "string") BYTE = Cast.toNumber(BYTE);
+      else BYTE = BYTE[0] || "";
+      this.view.fill(BYTE);
+      return true;
+    }
+    // Some utilitie functions for users
+    swapEndians({ SIZE, NUM }) {
+      SIZE = Cast.toString(SIZE);
+      NUM = Cast.toNumber(NUM);
+      switch (SIZE) {
+        // Swap64 was going to be added, but it is not needed as we are not supporting floats / bigint
+        case 32:
+          return _swap32(NUM);
+        case 16:
+          return _swap16(NUM);
+        default:
+        case 8:
+          return _swap8(NUM);
+      }
+    }
+    isLittleEndianOnForUser() {
+      return pcLittleEndian;
+    }
+  }
+
+  // Register and expose the class
+  Scratch.extensions.register((runtime[`ext_${extId}`] = new extension()));
+})(Scratch);
diff --git a/extensions/extensions.json b/extensions/extensions.json
index 9027c00ac9..79e8e27997 100644
--- a/extensions/extensions.json
+++ b/extensions/extensions.json
@@ -96,5 +96,6 @@
   "itchio",
   "gamejolt",
   "obviousAlexC/newgroundsIO",
+  "Miyo/Buffer",
   "Lily/McUtils" // McUtils should always be the last item.
 ]