Free Alternative to TinyPNG
TinyPNG is excellent but uploads your images to their servers and limits free batch sizes. Irreva compresses in your browser — private, unlimited, and free with a quality slider you control.
What TinyPNG does well
TinyPNG's proprietary PNG quantization produces very clean results for PNG files, and their UI is simple. The free tier works for small batches. Their API is popular for automated CI/CD image pipelines.
Where Irreva improves on TinyPNG
- No upload — images processed locally in the browser (Canvas API + browser-image-compression)
- No batch limit — compress as many files as your browser can handle
- Quality slider — control the compression–quality trade-off explicitly
- Compress to KB — hit exact file size targets (200KB, 500KB, etc.) for form uploads
- WebP support — convert and compress to WebP in one step
- 100+ other tools — PDF, developer, calculator utilities alongside compression
Frequently Asked Questions
Is Irreva compression quality comparable to TinyPNG?
For JPG and WebP, yes — comparable results at equivalent quality settings. For PNG, TinyPNG's quantization algorithm can be slightly sharper on some files.
Does Irreva have an API like TinyPNG?
Not currently. For automated pipelines, TinyPNG's API remains the go-to. Irreva is optimised for in-browser use.