Free Image Compressor — JPG, PNG & WebP
Compress images for faster pages without wrecking the details. Batch-optimize JPG, PNG and WebP with MozJPEG, ImageQuant, OxiPNG and libwebp — entirely in your browser. No cloud. No account.
Private by design: files never leave your device. Encoding uses WebAssembly on-device.
Features
- Pro-grade codecs (MozJPEG, ImageQuant, OxiPNG, libwebp)
- Batch queue, live before/after preview, ZIP download
- Quality mode or target file size
- Resize, convert formats, lossless options, skip if bigger
How it works
- Add images (JPG, PNG, WebP, GIF)
- Tune quality, size, format and resize settings
- Compress and download singles or a ZIP archive