Compactor

Compress PDF, JPEG and PNG files with WebAssembly. Everything runs on your device and nothing is uploaded.

Preset

Light Balanced Strong

JPEG and PNG Longest side, in pixels Larger images are scaled down. Use 0 to keep the original size. JPEG quality Progressive JPEGLoads in passes and is often a little smaller. PNG colors Fewer colors give much smaller files. Photos show banding first. Dither reduced colors PNG effort Higher is slower and slightly smaller.

PDF

Text and vector graphics stay untouched. Only embedded images are recompressed.

Image quality Longest side of images, in pixels 1600 px suits reading on screen. 0 keeps the original size. Skip images smaller than (KB) Convert lossless images to JPEGBig savings for scans and photos. Turn off for sharp line art.

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Images are decoded by your browser and re-encoded by WebAssembly codecs. Metadata such as EXIF and color profiles is removed from JPEG and PNG files. If a result would be larger than the original, the original is kept.