simple-diff

simple-diff is a simple to use online diff tool.

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Installation

Docker

Docker images are available on GHCR.

Compiling and running locally

Use Node.js 24 LTS, matching the Docker builder. Older Node.js releases such as 20.5 lack APIs required by the build tooling.

Install all dependencies with npm

npm install

Run the app in the development mode. Open http://localhost:3000 to view it in the browser.

npm start

Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

npm run build