diff --git a/TODO.md b/TODO.md
index a3b84b0..abe69b5 100644
--- a/TODO.md
+++ b/TODO.md
@@ -39,3 +39,4 @@
   about inventory change
 - ❌ afterDestructionTickers shouldn't exist... destruction should be deferred
 - ❌ Remove position pack check from trait and add to Vector
+- ❌ zLib dictionary for packet compression
diff --git a/packages/core/flate.js b/packages/core/flate.js
new file mode 100644
index 0000000..9ff314a
--- /dev/null
+++ b/packages/core/flate.js
@@ -0,0 +1,11 @@
+import {deflateSync, inflateSync} from 'zlib';
+
+export function inflate(buffer) {
+  return inflateSync(buffer);
+}
+
+export function deflate(buffer) {
+  return deflateSync(buffer, {
+    level: 9,
+  });
+}
diff --git a/packages/core/index.js b/packages/core/index.js
index af271ff..4c5f159 100644
--- a/packages/core/index.js
+++ b/packages/core/index.js
@@ -120,4 +120,5 @@ export {
   mergeDiffPrimitive,
 } from './merge-diff';
 export {fastApply} from './fast-apply';
+export {inflate, deflate} from './flate';
 export {PropertyMixin as Property} from './property';