New Architecture ready
Version-aware Android packages and generated iOS TurboModule registration.
Native C core · WebAssembly worker
Binary deltas.
Everywhere RN
runs.
Create and apply compact binary patches across iOS, Android, and React Native Web—with one compatible patch format and typed API.
- iOS · ObjC++
- Android · JNI
- Web · WASM
- New Architecture
npm i react-native-bs-diff-patch
import { diffBytes, patchBytes } from 'react-native-bs-diff-patch';
const delta = await diffBytes(oldBytes, newBytes);
const restored = await patchBytes(oldBytes, delta);Live / WASM
Try the real implementation
Patch playground
Worker isolated
No payload data leaves this page.
Patch size
—
Transfer saved
—
Runtime
—
Under the hood
One format.
Three runtimes.
-
01
Typed API
Paths on native. Binary inputs on Web.
-
02
Worker boundary
Serial native queues or an isolated module Worker.
-
03
Shared C core
The same bsdiff and bzip2 sources everywhere.
-
04
Compact delta
A compatible `ENDSLEY/BSDIFF43` patch.
Designed for integration
Native performance.
Explicit platform contracts.
Expensive work stays off React Native's module queue and the browser main thread. Unsupported API families reject clearly instead of guessing at filesystem behavior.
Read the architecture →Web Worker by default
WASM work runs outside the page thread and terminates after each operation.
Cross-platform patches
Create a patch on one supported runtime and apply it on another.
Release-grade checks
Native matrices, device assertions, browser round trips, Metro and package gates.
Documentation
From first patch to production boundaries.
Follow platform-specific setup, inspect every API and error code, and understand memory, bundler, and compatibility constraints before you ship.