About JSDiff

JSDiff is an open-source JavaScript library for comparing text, JSON, and code. Built on the proven Myers Difference Algorithm, it provides fast, accurate diff computation for developers worldwide.

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Our Mission

To provide developers with a fast, reliable, and privacy-focused diff tool that works everywhere - in browsers, Node.js, and even offline.

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Project Stats

  • 5,200+ GitHub Stars
  • 8 Million+ Weekly NPM Downloads
  • 100+ Contributors
  • 50+ Releases
  • Used by thousands of projects worldwide
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Technology

JSDiff implements the Myers Difference Algorithm (O(ND)), the same algorithm that powers Git's diff functionality. This ensures:

  • Optimal diff results with minimal edit scripts
  • Efficient handling of large documents
  • Proven reliability in production environments
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Author

JSDiff was created and is maintained by David Dai, a passionate developer dedicated to building tools that make developers' lives easier.

The project is open source under the MIT License, welcoming contributions from developers around the world.

Join the Community

Help us make JSDiff even better. Star the project, report issues, or contribute code.

⭐ Star on GitHub