PNG File Format Explained
PNG (Portable Network Graphics) is a lossless image format that supports transparency. It's the go-to format for logos, icons, UI screenshots, and any image that needs a sharp edge or transparent background.
📋 PNG Quick Facts
| Full name | Portable Network Graphics |
| Extension | .png |
| Compression | Lossless (no quality loss) |
| Transparency | Yes — Alpha channel (0–255) |
| Color depth | Up to 48-bit (16M+ colors) |
| Animation | No (use APNG for animated PNGs) |
| Browser support | All major browsers |
| Best use case | Logos, icons, screenshots, UI design |
⚖️ PNG vs JPG vs WebP
| Feature | PNG | JPG | WebP |
|---|---|---|---|
| Compression | Lossless | Lossy | Both |
| Transparency | ✅ Yes | ❌ No | ✅ Yes |
| File size | Large | Small | Smallest |
| Quality | Perfect | Good | Excellent |
| Browser support | All | All | All modern |
| Best for | Logos, UI | Photos | Web images |
🛠️ Convert PNG Files Online
❓ FAQ
What does PNG stand for?
PNG stands for Portable Network Graphics. Created in 1995 as a free replacement for GIF.
Does PNG support transparency?
Yes. PNG supports full alpha channel transparency — each pixel can have its own transparency value from 0 (transparent) to 255 (opaque).
Is PNG lossless?
Yes. PNG uses lossless compression, meaning no image quality is lost when you save a PNG file, no matter how many times you save it.
When should I use JPG instead of PNG?
Use JPG for photographs. PNG files of photos are 5–10x larger than JPG. Only use PNG when you need transparency or sharp text/logo edges.
Can I convert PNG to WebP?
Yes — use our free WebP Converter. WebP images are ~30% smaller than PNG at similar or better quality.