Chrome 155 ships JPEG XL: 30-50% better compression, Rust decoder for memory safety
jedisct1 · x · 2026-10-07
Chrome for Developers announced that Chrome 155 ships decoding support for the JPEG XL (.jxl) image format.
- Format benefits: 30-50% better compression than JPEG, lossless compression, built-in HDR support, lossless JPEG transcoding, and fine-grained progressive decoding
- Security first: the decoder was reimplemented in Rust (jxl-rs). Image decoders are among the most targeted browser attack surfaces, and legacy C++ decoders are prone to out-of-bounds reads, heap overflows, and use-after-free bugs—Rust guarantees memory safety at the language level
- Recommendation: try both AVIF and JPEG XL; JPEG XL shines for high-fidelity or lossless compression of photographic images
The post also covers why Google brought JPEG XL back to Chrome and what the journey says about developer feedback and web standards.
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