Compress a PNG online — smaller files, free
Reduce PNG file size with smart color reduction and metadata stripping, while keeping transparency and sharp edges. Ideal for web graphics and screenshots.
How to compress a PNG
- Drop your PNG into the upload box, or click to browse.
- Apply color reduction to shrink the PNG — transparency and sharpness are kept.
- Click Process — everything runs instantly in your browser, with nothing uploaded.
- Preview the result and download it — or send it straight to another JustGIF tool to keep editing.
Features
- Lossless and lossy PNG options
- Keeps transparency
- Runs locally in your browser — your files never leave your device
- 100% free: no sign-up, no watermark, no file-count limit
- Works on any device — Windows, Mac, Linux, Android and iPhone
Frequently asked questions
Will compression keep transparency?
Yes — PNG transparency is fully preserved.
Is PNG Compress free to use?
Yes. PNG Compress is completely free with no account, no watermark, and no limit on how many files you can process.
Do my files get uploaded to a server?
No. JustGIF processes everything locally in your browser, so your files stay private on your device and nothing is uploaded.
Does it work on my phone?
Yes — JustGIF runs in any modern browser, including Chrome and Safari on phones and tablets, with no app to install.