PNG Compressor
Reduce PNG file size while preserving transparency and visual quality. 100% private — runs entirely in your browser.
Drop your PNG files here
tap to browse or drag and drop
PNG · Transparency preserved · Max 50MB each
Compression Mode
Alpha channel is maintained during compression
Compressing...
Processed locally in your browser
Compress PNGs in Three Steps
Upload PNGs
Drag and drop your PNG files. Batch upload supported.
Select Mode
Choose lossless to preserve transparency or lossy for maximum reduction.
Download
Get your compressed PNGs individually or as a ZIP.
Why Compress PNG Files?
PNG is the preferred format for graphics, logos, screenshots, and any image requiring transparency. However, PNG files can be extremely large compared to other formats — a 1920×1080 PNG screenshot might be 2–4MB, while a compressed version is under 500KB with no visible quality difference.
Compressing PNG files is essential for web performance. Large PNG files increase page load times, harm Core Web Vitals scores, and waste bandwidth. For logos and UI graphics served millions of times daily, even a 30% PNG reduction translates to significant CDN cost savings.
When to Use PNG vs JPG
- Use PNG for logos, icons, UI elements, screenshots, and any image needing transparency
- Use JPG for photographs and images where transparency isn't needed
- Use WebP for the best of both worlds — smaller size with optional transparency
PNG Compression Tips
- Use lossless compression for logos and UI elements where pixel-perfect quality matters
- Consider converting photos from PNG to JPG if transparency isn't needed
- For web logos, converting to SVG (if vector-based) provides infinite scalability with tiny file sizes
- Reduce image dimensions to the actual display size before compressing
Frequently Asked Questions
Does PNG compression remove the transparency?
No. Our PNG compressor preserves transparency (alpha channel) during compression. Your transparent PNGs will remain transparent after compression.
How is PNG compression different from JPG compression?
PNG uses lossless compression by default — you can reduce file size without any quality loss. However, PNG files are typically larger than equivalent JPGs. For photos, JPG is usually better. For logos, icons, and graphics, PNG is ideal.
Can I compress animated PNGs (APNGs)?
Standard PNG compression is applied. Animated PNGs may lose animation as we process each file as a static image. For animated files, we recommend using a dedicated animation optimizer.
How much can PNG files be compressed?
Lossless PNG compression typically achieves 10–30% reduction. For greater reduction, consider converting to WebP which offers superior compression while maintaining visual quality.
Are my PNG files uploaded anywhere?
No. All processing happens locally in your browser. Your files never leave your device.