Automatically compress images to the smallest file size that maintains acceptable quality. Local in-browser WebAssembly processing — zero server uploads required.
Output format
Automatic maximum compression. The tool finds the smallest file that maintains acceptable quality — no manual settings needed.
Selecting the right image format for your specific use case can dramatically cut page load times and save bandwidth.
WebP provides up to 80% smaller file sizes than PNG and JPEG while preserving alpha transparency and crisp detail. Supported by 99% of web browsers.
AVIF utilizes modern AV1 video codec technology to achieve the highest byte reduction possible on high-resolution photography. Ideal for modern performance web design.
Best for email attachments, legacy systems, and printing. Encoding JPEG at 75%–82% quality offers the ideal sweet spot between tiny file size and visual clarity.
Ideal for logos, line art, and transparent overlays. For photos, converting uncompressed PNGs to WebP or JPEG can reduce file size by over 90%.