Compress PNG
The facts below are what the maker publishes about Compress PNG, checked and dated. Our editors have not written about it yet.
Plans and prices
From Compress PNG's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free online PNG compressor | Free | Up to 20 PNG images at a time · browser-based processing |
The facts
Each one read from Compress PNG's own pages, with the date it was checked.
What it does
- Batch limit
- You can select or drag in up to 20 PNG images at a time.checked 11 Oct 2026
- Batch processing
- Users can select or drag in up to 20 PNG images at a time.checked 12 Oct 2026
- Color controls
- You can adjust the color count for an image, with options described from 16–32 colors up to 256 colors.checked 11 Oct 2026
- Compression method
- The tool analyzes image colors, groups similar colors, creates a palette, remaps pixels, and applies further lossless compression.checked 12 Oct 2026
- Compression modes
- bothchecked 20 Sep 2026
- Cookies and ads
- The privacy terms say Google collects data and uses cookies for ad personalization and measurement, and that the site uses cookies for statistical purposes.checked 11 Oct 2026
- Cookies and analytics
- The terms say Google collects data and uses cookies for ad personalization and measurement, and that the site uses cookies for statistical purposes.checked 12 Oct 2026
- File privacy
- The site says files stay on the user's device and that it does not collect, store, or access processed files.checked 11 Oct 2026
- Guarantees
- The terms state that the service provides no guarantees.checked 12 Oct 2026
- Image quality limit
- The site warns that reducing colors can cause visible banding in smooth gradients and recommends checking the preview.checked 12 Oct 2026
- Local processing
- Files are processed locally in the browser using WebAssembly and are not uploaded to a server.checked 12 Oct 2026
- Manual controls
- Users can adjust the color count for an image by clicking its thumbnail.checked 12 Oct 2026
- Permitted use
- The terms allow use of the service for personal or commercial purposes.checked 12 Oct 2026
- Privacy
- The terms say the operator does not collect, store, or access files processed with the service.checked 12 Oct 2026
- Processing
- Image processing runs in the browser using WebAssembly, with no server-side processing.checked 11 Oct 2026
- Purpose
- Compress PNG reduces the file size of PNG images using color quantization and additional lossless compression.checked 12 Oct 2026
- Quality caveat
- The site says color reduction can cause visible banding in smooth gradients and recommends previewing results before saving.checked 11 Oct 2026
- Save options
- Compressed images can be saved individually or all at once.checked 12 Oct 2026
- Saving
- The tool lets users save compressed images individually or all at once.checked 11 Oct 2026
- Supported formats
- PNGchecked 20 Sep 2026
- Transparency
- The site says it preserves PNG alpha channel information during compression.checked 12 Oct 2026
- Usage rights
- The terms say the service may be used for personal or commercial purposes.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
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