diff --git a/codecs/hqx/.gitignore b/codecs/hqx/.gitignore
index 785da573..53f30e50 100644
--- a/codecs/hqx/.gitignore
+++ b/codecs/hqx/.gitignore
@@ -1,4 +1,5 @@
 **/*.rs.bk
 target
+Cargo.lock
 bin/
 pkg/README.md
diff --git a/codecs/hqx/Cargo.lock b/codecs/hqx/Cargo.lock
index 735d5d1c..8940b2df 100644
--- a/codecs/hqx/Cargo.lock
+++ b/codecs/hqx/Cargo.lock
@@ -4,283 +4,286 @@
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+"checksum wee_alloc 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
+"checksum winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/codecs/hqx/Cargo.toml b/codecs/hqx/Cargo.toml
index 889d3bbc..742d0751 100644
--- a/codecs/hqx/Cargo.toml
+++ b/codecs/hqx/Cargo.toml
@@ -1,8 +1,7 @@
 [package]
-name = "squoosh-hqx"
+name = "squooshhqx"
 version = "0.1.0"
 authors = ["Surma <surma@surma.link>"]
-publish = false
 
 [lib]
 crate-type = ["cdylib"]
diff --git a/codecs/hqx/Dockerfile b/codecs/hqx/Dockerfile
index 54c29ea2..c568a09f 100644
--- a/codecs/hqx/Dockerfile
+++ b/codecs/hqx/Dockerfile
@@ -1,4 +1,6 @@
-FROM rust
+# This is intentionally an old version of Rust. Newer versions
+# generate _significantly_ bigger Wasm binaries.
+FROM rust:1.37
 RUN rustup target add wasm32-unknown-unknown
 RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
 
diff --git a/codecs/hqx/build.sh b/codecs/hqx/build.sh
new file mode 100755
index 00000000..6f62fc8a
--- /dev/null
+++ b/codecs/hqx/build.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -e
+
+echo "============================================="
+echo "Compiling wasm"
+echo "============================================="
+(
+  wasm-pack build
+  wasm-strip pkg/squooshhqx_bg.wasm
+  echo "Optimising Wasm so it doesn't break Chrome (this takes like 10-15mins. get a cup of tea)"
+  echo "Once https://crbug.com/974804 is fixed, we can remove this step"
+  wasm-opt -Os --no-validation -o pkg/squooshhqx_bg.wasm pkg/squooshhqx_bg.wasm
+  rm pkg/.gitignore
+)
+echo "============================================="
+echo "Compiling wasm  done"
+echo "============================================="
+
+echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+echo "Did you update your docker image?"
+echo "Run \`docker pull ubuntu\`"
+echo "Run \`docker pull rust\`"
+echo "Run \`docker build -t squoosh-hqx .\`"
+echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
diff --git a/codecs/hqx/package.json b/codecs/hqx/package.json
index fd51d432..9c50eb01 100644
--- a/codecs/hqx/package.json
+++ b/codecs/hqx/package.json
@@ -1,6 +1,7 @@
 {
   "name": "hqx",
   "scripts": {
-    "build": "../build-rust.sh"
+    "build:image": "docker build -t squoosh-hqx .",
+    "build": "docker run --rm -v $(pwd):/src squoosh-hqx ./build.sh"
   }
 }
diff --git a/codecs/hqx/pkg/package.json b/codecs/hqx/pkg/package.json
index c7b878ba..48a6433e 100644
--- a/codecs/hqx/pkg/package.json
+++ b/codecs/hqx/pkg/package.json
@@ -1,15 +1,15 @@
 {
-  "name": "squoosh-hqx",
+  "name": "squooshhqx",
   "collaborators": [
     "Surma <surma@surma.link>"
   ],
   "version": "0.1.0",
   "files": [
-    "squoosh_hqx_bg.wasm",
-    "squoosh_hqx.js",
-    "squoosh_hqx.d.ts"
+    "squooshhqx_bg.wasm",
+    "squooshhqx.js",
+    "squooshhqx.d.ts"
   ],
-  "module": "squoosh_hqx.js",
-  "types": "squoosh_hqx.d.ts",
+  "module": "squooshhqx.js",
+  "types": "squooshhqx.d.ts",
   "sideEffects": false
 }
\ No newline at end of file
diff --git a/codecs/hqx/pkg/squoosh_hqx_bg.wasm b/codecs/hqx/pkg/squoosh_hqx_bg.wasm
index 86d0d9c8..847ff141 100644
Binary files a/codecs/hqx/pkg/squoosh_hqx_bg.wasm and b/codecs/hqx/pkg/squoosh_hqx_bg.wasm differ
diff --git a/codecs/hqx/pkg/squooshhqx.d.ts b/codecs/hqx/pkg/squooshhqx.d.ts
new file mode 100644
index 00000000..8d8f5f2e
--- /dev/null
+++ b/codecs/hqx/pkg/squooshhqx.d.ts
@@ -0,0 +1,10 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+* @param {Uint32Array} input_image
+* @param {number} input_width
+* @param {number} input_height
+* @param {number} factor
+* @returns {Uint32Array}
+*/
+export function resize(input_image: Uint32Array, input_width: number, input_height: number, factor: number): Uint32Array;
diff --git a/codecs/hqx/pkg/squooshhqx.js b/codecs/hqx/pkg/squooshhqx.js
new file mode 100644
index 00000000..3d59678b
--- /dev/null
+++ b/codecs/hqx/pkg/squooshhqx.js
@@ -0,0 +1,2 @@
+import * as wasm from "./squooshhqx_bg.wasm";
+export * from "./squooshhqx_bg.js";
\ No newline at end of file
diff --git a/codecs/hqx/pkg/squooshhqx_bg.d.ts b/codecs/hqx/pkg/squooshhqx_bg.d.ts
new file mode 100644
index 00000000..9cb7574d
--- /dev/null
+++ b/codecs/hqx/pkg/squooshhqx_bg.d.ts
@@ -0,0 +1,6 @@
+/* tslint:disable */
+/* eslint-disable */
+export const memory: WebAssembly.Memory;
+export function resize(a: number, b: number, c: number, d: number, e: number, f: number): void;
+export function __wbindgen_malloc(a: number): number;
+export function __wbindgen_free(a: number, b: number): void;
diff --git a/codecs/hqx/pkg/squooshhqx_bg.wasm b/codecs/hqx/pkg/squooshhqx_bg.wasm
new file mode 100644
index 00000000..141692d2
Binary files /dev/null and b/codecs/hqx/pkg/squooshhqx_bg.wasm differ