How to use Image Compressor
Choose your file and the result is ready in a moment. It is processed in your browser, so nothing is uploaded.
How it works
Canvas toBlob() encoding
Examples
- Worked example
The tool re-encodes the image and reports the before/after sizes.
Limitations and assumptions
Compression is content-dependent. Re-encoding may increase the size of an already optimized file.
Frequently asked questions
What does the Image Compressor do?
Compress JPG, PNG or WebP images in your browser and compare file sizes.
How does the Image Compressor work?
Choose your file and the result is ready in a moment. It is processed in your browser, so nothing is uploaded.
What should I keep in mind when using the Image Compressor?
Compression is content-dependent. Re-encoding may increase the size of an already optimized file.
Can I see an example of the Image Compressor?
The tool re-encodes the image and reports the before/after sizes.
Is the Image Compressor free to use?
Yes. It is free, needs no account and runs in your browser.