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Compress PNG Images OnlineReduce PNG File Size

Compress PNG images while preserving transparency. Reduce file size with color optimization and advanced compression. Perfect for web graphics and logos.

Preserve transparency
Color optimization
Lossless compression
Batch processing

PNG Upload

Drop PNG files here or click to browse

PNG

All compression happens locally in your browser for complete privacy.

How to Compress PNG Images

1

Upload PNG Images

Drag and drop your PNG files or click to browse. PNG format is perfect for graphics with transparency.

PNG files maintain transparency which is perfect for logos and graphics
2

Choose Compression Settings

Select the number of colors and dithering options. Fewer colors mean smaller file sizes.

64 colors provide the best balance between quality and file size
3

Preview Results

Compare original and compressed versions. Check transparency preservation and image quality.

Use the side-by-side comparison to ensure quality meets your needs
4

Download Optimized PNG

Download individual images or all compressed PNG files as a ZIP archive.

Transparency is preserved in all compressed PNG files

PNG Compression Settings

Color Optimization

Reduce the number of colors to decrease file size

256
Full Colors
128
Reduced
64
Recommended
32
Maximum

Dithering Options

Smooth color gradients when reducing colors

No DitheringSharp edges
Light DitheringRecommended
Heavy DitheringSmoother gradients

Why Compress PNG Images?

Preserve Transparency

Keep transparent backgrounds while reducing file size

Lossless Compression

Reduce file size without losing image quality

Bulk Processing

Compress multiple PNG files simultaneously

Privacy Protected

All processing happens locally in your browser

PNG Compression FAQ

How does PNG compression work?

PNG compression reduces file size by optimizing the color palette and using advanced compression algorithms while preserving transparency and image quality.

  • Reduces the number of colors used
  • Applies lossless compression
  • Preserves transparency
  • Maintains image dimensions

Will PNG compression affect transparency?

No, our PNG compressor preserves transparency. Unlike JPG conversion, PNG compression maintains all transparent areas in your images.

What's the difference between PNG and JPG compression?

PNG compression is lossless and preserves transparency, while JPG compression is lossy but achieves smaller file sizes. PNG is better for graphics, logos, and images with text.

How much can I reduce PNG file size?

PNG file size reduction varies based on image content and settings. Typically, you can achieve 30-70% size reduction while maintaining visual quality.

Should I use PNG or WebP for web images?

WebP generally provides better compression than PNG with similar quality. However, PNG has broader browser support and is better for images requiring transparency.

Can I compress PNG images multiple times?

Since PNG compression is lossless, you can compress images multiple times without quality degradation. However, further size reduction becomes minimal after the first compression.

Ready to Compress Your PNG Images?

Start optimizing PNG files now. Free and secure.