Your files stay on your device Encoder Benchmark Per-extension benchmark matrix: test every source format × target format × library Run All ( 10 )ConfigureImport JSON19 encoders across 11 formats selected Source Formats. Click to select, then "Run Selected" Select All·ClearPNGLenna · 512 × 512→ 11 targets · photon, squoosh, jsquashWEBPGallery Sample · 320 × 241→ 11 targets · photon, squoosh, jsquashAVIFFox · 1108 × 500→ 11 targets · squoosh, jsquashJXLCloudinary Sample · 864 × 576→ 11 targets · squoosh, jsquashQOICloudinary Sample · 864 × 576→ 11 targets · jsquashGIFCloudinary Sample · 864 × 576→ 11 targets · gifencBMPCloudinary Sample · 864 × 576→ 11 targets · bmpjsTIFFCloudinary Sample · 864 × 576→ 11 targets · utifICOGoogle Favicon · 32 × 32→ 11 targets · icointernalHEICSurfer · 1440 × 960→ 11 targets · decode onlyClick formats above to select them, then press "Run Selected": or hover and click ▶ to run one instantly Reference Data Compression Efficiency (at equivalent visual quality) Format vs JPEG Speed Browser AVIF -36% Slow 93% JPEG XL -25% Moderate <1% WebP -32% Mod-Fast 97% JPEG baseline Fast 100% PNG +100-300% Moderate 100% GIF Varies Moderate 100% BMP +400-800% Instant 100% Source formats available for testing PNGLenna · 512 × 512WEBPGallery Sample · 320 × 241AVIFFox · 1108 × 500JXLCloudinary Sample · 864 × 576QOICloudinary Sample · 864 × 576GIFCloudinary Sample · 864 × 576BMPCloudinary Sample · 864 × 576TIFFCloudinary Sample · 864 × 576ICOGoogle Favicon · 32 × 32HEICSurfer · 1440 × 960 Select source formats above and click Run Selected, or hover a format and click ▶ to benchmark it instantly. Next door in Photos - Convert (/images/convert) - Compress (/images/compress) - Format support (/images/format-support) All photos tools (/images) Canonical HTML: https://nutter.tools/images/benchmark Markdown version: https://nutter.tools/images/benchmark/index.md Plain-text version: https://nutter.tools/images/benchmark/index.txt Agent index: https://nutter.tools/llms.txt