libwebp is the reference codec library for Google’s WebP image format, providing both encoding and decoding along with command-line tools. It supplies cwebp to compress images into WebP and dwebp to decompress them back, making it easy to test quality/size trade-offs across presets and tuning parameters. The GitHub repository is a mirror; the canonical source of truth lives on Chromium’s git, and developer docs are hosted on WebP’s portal. The project underpins WebP support across browsers, imaging libraries, and many native apps thanks to its stable C API. Additional companion repos host test data and demos, including JavaScript builds and timing tests for various platforms. As a widely deployed codec, libwebp balances compression efficiency, speed, and integration simplicity across platforms.

Features

  • C library for WebP encode/decode with a stable API
  • cwebp and dwebp CLI tools for quick conversions
  • Broad platform and toolchain support via canonical Chromium source
  • Tunable compression settings for quality–size trade-offs
  • Test data and demo projects for validation and benchmarking
  • Ubiquitous integration across browsers and imaging stacks

Project Samples

WebP Codec Screenshot 1

Project Activity

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Categories

Libraries, Image Processing

License

BSD License

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Additional Project Details

Programming Language

C

Related Categories

C Libraries, C Image Processing Software

Registered

2025-10-08
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