100% private · in-browser
Compress PNG
Shrink PNG files without sacrificing visible quality.
Drop PNG files here
Up to 20 images, max 5MB each. Processed privately in your browser.
Privacy-first
Files never uploaded
Instant
Powered by your browser
Free forever
No watermarks
- Files deleted automatically
- Works in browser
- No signup required
- Secure processing
About this tool
Reduce PNG file size with smart re-encoding while preserving transparency.
How to use the Compress PNG
- 1
Upload PNG
Drop the PNG files to compress.
- 2
Compress
We optimize and re-encode them in your browser.
- 3
Download
Save individually or as ZIP.
Frequently asked questions
Will quality drop?+
Visually, no — smart re-encoding removes redundancy while keeping pixels intact.
Are my files uploaded?+
No. Compression runs entirely in your browser.
Is this free?+
Yes — completely free.