Compress and optimize your JPEG, PNG, WebP and GIF images. This free online tool uses advanced compression algorithms to reduce file sizes while maintaining quality. All processing happens in your browser – your files never leave your device.
Drop Your Files Here
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This tool runs entirely in your browser – no server uploads required. Add your images and click COMPRESS. The tool automatically analyzes each file and selects optimal compression settings. Once processing is complete, you can save the result immediately or use the comparison view to fine-tune quality with the slider. Each image can be adjusted individually before saving.
For JPEG files, the tool detects the original quality level from the file's quantization tables. The default target quality is 80, which provides an excellent balance between file size and visual quality. You can use the slider to adjust this – higher values preserve more detail but result in larger files, while lower values create smaller files with more visible compression artifacts.
PNG images are converted to PNG8 format with up to 256 colors using Median Cut quantization. This format is ideal for web graphics, icons, logos, screenshots, and illustrations where color count is limited. Transparency is fully preserved. The Colors slider lets you reduce the palette further for additional compression.
WebP images are compressed using the libwebp encoder. WebP typically achieves 25-35% smaller file sizes than JPEG at equivalent visual quality. The quality slider works the same way as for JPEG.
Static GIFs are converted to WebP for better compression. Animated GIFs are returned as-is for now – animated GIF optimization is coming soon.
All image processing happens entirely in your browser using WebAssembly technology. There are no uploads to any server, no data collection, and no privacy concerns. All metadata (EXIF, GPS, camera info) is automatically removed from compressed images.
