Squoosh Pro Image Compressor
Side-by-side compression with AVIF, WebP, MozJPEG, OxiPNG and JPEG XL.
Open-source project "Squoosh" by Google Chrome Labs, used under the Apache-2.0 license. Source code
Runs 100% in your browser. Your files are not uploaded to any server.
How to use Squoosh Pro Image Compressor
- Drop an image onto the page, paste one, or click to choose a file.
- Pick an output format and drag the quality slider; drag the divider to compare before and after.
- Click the download button in the bottom-right corner to save the result.
Frequently asked questions
Are my images uploaded?
No. All codecs run in your browser using WebAssembly; your image never leaves your device.
Which format should I choose?
AVIF or WebP give the smallest files for websites; MozJPEG is the safest choice when the image must open everywhere.
Who made it?
Google Chrome Labs, open source under the Apache 2.0 License.
Is Squoosh Pro Image Compressor free?
Yes. Squoosh Pro Image Compressor is free to use with no sign-up and no watermark.
Are my files uploaded to your server?
No. All processing happens locally in your browser using JavaScript and WebAssembly. Your files never leave your device, which also makes it fast and private.
Does it work on my phone?
Yes. It works in any modern browser on Windows, Mac, Linux, Android and iPhone. Very large files may be slow on older phones.