Compress PNG
Slim down PNG screenshots and graphics by reducing colour detail. Free online compress png that runs in your browser — no upload, no watermark, no sign-up.
or drop files here
Processed on your device — nothing is uploaded.
Fewer levels = smaller file. 32 keeps flat UI graphics crisp.
About the compress png
Compress PNG is a free online tool that lets you slim down PNG screenshots and graphics by reducing colour detail in seconds. Everything happens locally inside your browser, so your files and text never leave your device and nothing is ever uploaded to a server. That makes it a safe choice for private, sensitive or work documents — and it also means the tool stays fast even on a phone or a slow connection. There is no account to create, no email to hand over, no daily limit and no watermark on anything you produce. It's built for creators, marketers and everyday phone users who need a reliable result right now, then want to get on with their day.
How it works
- 1. Drop your file into the box above (or tap to browse).
- 2. Adjust the options if you want a different result.
- 3. Press “Compress PNG” — processing happens on your device.
- 4. Download or copy your result instantly. Nothing is stored anywhere.
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