Compress and convert images locally in your browser. Target specific KB bounds with zero server uploads for absolute privacy.
Compress large photos to your exact target KB size locally.
Supports PNG, JPG, JPEG, WEBP, AVIF, BMP, GIF, and TIFF
Learn about the zero-server technology behind our fast, secure image converter.
By inputting a target size, the engine iteratively runs canvas rendering and checks target sizes under 100 milliseconds to meet your required size constraints perfectly.
Easily change containers. Convert bloated PNGs into lightweight WebP or AVIF files instantly, or export to JPEGs for legacy software support.
No uploads. Zero network requests are made with your pixels. Everything runs in your browser sandbox, keeping private photos offline.
If the target size is extremely small (e.g. 5KB for a high-res photo), the algorithm will automatically downscale the dimensions of the canvas to satisfy the requested size constraints.
You can upload any valid image format (JPEG, PNG, WebP, AVIF, BMP, TIFF, GIF, SVG). You can choose to export directly into JPEG, PNG, WebP, or AVIF.
No. We respect privacy. All image rendering, canvas conversions, and downloads occur in your local browser sandbox.