Browser-based image compression with live side-by-side quality comparison.
Why we recommend it
The visual comparison is what makes it useful — you can see exactly where quality breaks down rather than guessing at a compression percentage.
Strengths
- Live visual comparison between original and compressed
- Runs entirely in the browser, images never uploaded
- Supports modern formats including AVIF and WebP
Drawbacks
- One image at a time — no batch processing in the UI
- Large files can be slow in-browser
- CLI exists but is separately maintained
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