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Compress PNG

compresspng.com

Free plan Web

Spec sheet

Purpose
Compress PNG reduces the file size of PNG images using color quantization and additional lossless compression.Read 12 Oct 2026 · compresspng.com
Free plan
YesRead 20 Sep 2026 · compresspng.com
Privacy
The terms say the operator does not collect, store, or access files processed with the service.Read 12 Oct 2026 · compresspng.com
Batch limit
You can select or drag in up to 20 PNG images at a time.Read 11 Oct 2026 · compresspng.com
Batch processing
Users can select or drag in up to 20 PNG images at a time.Read 12 Oct 2026 · compresspng.com
Color controls
You can adjust the color count for an image, with options described from 16–32 colors up to 256 colors.Read 11 Oct 2026 · compresspng.com
Compression method
The tool analyzes image colors, groups similar colors, creates a palette, remaps pixels, and applies further lossless compression.Read 12 Oct 2026 · compresspng.com
Compression modes
bothRead 20 Sep 2026 · compresspng.com
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.Read 11 Oct 2026 · compresspng.com
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.Read 12 Oct 2026 · compresspng.com
File privacy
The site says files stay on the user's device and that it does not collect, store, or access processed files.Read 11 Oct 2026 · compresspng.com
Guarantees
The terms state that the service provides no guarantees.Read 12 Oct 2026 · compresspng.com
Image quality limit
The site warns that reducing colors can cause visible banding in smooth gradients and recommends checking the preview.Read 12 Oct 2026 · compresspng.com
Local processing
Files are processed locally in the browser using WebAssembly and are not uploaded to a server.Read 12 Oct 2026 · compresspng.com
Manual controls
Users can adjust the color count for an image by clicking its thumbnail.Read 12 Oct 2026 · compresspng.com
Permitted use
The terms allow use of the service for personal or commercial purposes.Read 12 Oct 2026 · compresspng.com
Processing
Image processing runs in the browser using WebAssembly, with no server-side processing.Read 11 Oct 2026 · compresspng.com
Quality caveat
The site says color reduction can cause visible banding in smooth gradients and recommends previewing results before saving.Read 11 Oct 2026 · compresspng.com
Save options
Compressed images can be saved individually or all at once.Read 12 Oct 2026 · compresspng.com
Saving
The tool lets users save compressed images individually or all at once.Read 11 Oct 2026 · compresspng.com
Supported formats
PNGRead 20 Sep 2026 · compresspng.com
Transparency
The site says it preserves PNG alpha channel information during compression.Read 12 Oct 2026 · compresspng.com
Usage rights
The terms say the service may be used for personal or commercial purposes.Read 11 Oct 2026 · compresspng.com

Plans and prices

Free online PNG compressor Free Up to 20 PNG images at a time · browser-based processing Read 12 Oct 2026 · compresspng.com

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