Quick Summary — Compress PNG Tool
Last Updated: August 22, 2026Compress PNG is a free online tool to reduce PNG file sizes instantly while maintaining full alpha transparency. Adjust compression levels using a custom visual slider or specify exact target KB/MB sizes. Batch compress multiple PNG graphics, preview real-time file size savings, and download processed files individually or in a ZIP package.
Compress PNG
Lightning-Fast PNG Compressor — Unlimited, High-Quality PNG Compression
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Compression Level
%
Max Target Size:
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How to compress PNG?
Compressing PNG images reduces high-resolution graphic file sizes while preserving transparent alpha backgrounds. Follow these 5 quick steps:
- Start by choosing the PNG file on the best compress PNG tool.
- Preview all the PNG files on the PNG compressor.
- Next, use the slider to compress the PNG file size.
- Additionally, choose a custom size for compression as per your needs.
- Download the compressed PNG file to your desired size.
PNG vs JPG vs WEBP Compression Comparison
Overview of PNG compression algorithms compared to other image formats:
| Image Format | Compression Method | Transparency Support | Best Use Case |
|---|---|---|---|
| PNG | Lossless / Quantized Palette | Full Alpha Channel | Logos, Icons, Transparent Overlays |
| JPG / JPEG | Lossy Discrete Cosine | No (White Fill) | Web Photography, Complex Scenery |
| WEBP | Lossy & Lossless VP8X | Full Alpha Channel | Next-Gen Web Publishing |
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Frequently Asked Questions (FAQ)
No! Our PNG compressor preserves full alpha channel transparency while reducing file size.
Yes! You can drop multiple PNG files into the queue, compress them at once, and download them in a single ZIP archive.
Yes, Operatetools Compress PNG is 100% free with no file size limits or registration required.