Compress PNG
Shrink PNG images, such as screenshots and graphics, by optimizing their encoding.
How to use Compress PNG
- Add your images. Click the upload area or drag and drop up to 20 files (PNG). Nothing is uploaded; it stays on your device.
- Choose your options. Adjust the settings for Compress PNG if they are shown, or keep the defaults for a quick result.
- Run Compress PNG. Press the "Compress PNG" button and wait a moment while your image is processed.
- Download the result. Your PNG result downloads straight away. Process another file whenever you like, with no limits or sign-up.
Why use Compress PNG?
- Private by design: runs in your browser, nothing is uploaded
- Free with no sign-up and no watermark
- Fast, with no upload or download wait
- Works on phone, tablet and desktop
Common uses for Compress PNG
- Reduce screenshot sizes for documentation.
- Optimize logos and UI graphics for the web.
- Save storage on image-heavy projects.
Private by design
Compress PNG runs entirely in your browser. Your image is read and processed on your own device and is never uploaded to our servers. Read our Privacy Policy for details.
Frequently asked questions
Why are PNG files so large?
PNG is lossless and stores every pixel exactly, so photos can be big. For photographs, converting to JPG or WebP is usually much smaller.
Is Compress PNG free to use?
Yes. Compress PNG is free, needs no account and never adds a watermark to your result.
Is my image uploaded when I use Compress PNG?
No. Compress PNG works inside your browser, so your image stays on your device from start to finish.
What file types does Compress PNG accept?
Compress PNG accepts PNG and produces PNG.
Is there a file size limit for Compress PNG?
You can process files up to 50 MB each, with up to 20 files at a time.
Does Compress PNG work on my phone?
Yes. Compress PNG is fully responsive and works in the browser on Android, iPhone, tablets and desktop computers.
Related tools
Explore more in Image Tools or browse all tools.