Does PNG compression remove transparency?

No. Our PNG compressor preserves the alpha channel (transparency) in your images. The compressed output retains full transparency support.

What is lossless PNG compression?

Lossless compression reduces file size by optimizing the internal encoding of the PNG without changing any pixel data. The output is visually identical to the original.

Yes. The PNG compressor is completely free with no account required.

Can I compress multiple PNG files at once?

Yes. You can upload and compress multiple PNG files simultaneously using batch processing.

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Compression

Compress PNG Online Free

Optimize your PNG images for smaller file sizes while preserving transparency and visual quality. PNG compression is ideal for web graphics, logos, icons, and illustrations that require lossless or near-lossless quality.