Convert PNG to JXL
Free, fast and secure — convert PNG to JXL right in your browser.
Shrink your PNG by converting to JXL
Converting PNG to JXL trades a little detail for a much smaller file, making JPEG XL the practical choice for fast web pages, email and sharing.
How to convert PNG to JXL
- 1 Drop your PNG file into the converter above.
- 2 It is converted to JXL automatically — no settings to fiddle with.
- 3 Download your new JXL file instantly.
PNG vs JXL
| Feature | PNG | JXL |
|---|---|---|
| Compression | Lossless | Lossy |
| Transparency | Yes | Yes |
| Animation | No | Yes |
| Type | Raster | Raster |
| MIME type | image/png | image/jxl |
| Best for | Logos, icons, screenshots and any graphic that needs transparency or pixel-perfect edges. | Future-proof, high-efficiency storage — converted to JPG, PNG or WebP for compatibility today. |
About the formats
PNG image
PNG is a lossless image format with full alpha transparency. It keeps every pixel exact, which makes it the go-to choice for logos, icons, screenshots and graphics with sharp edges.
Strengths
- Lossless — perfect, repeatable quality
- Full transparency (alpha channel)
- Crisp text, lines and flat colour
Limitations
- Larger files than JPG for photos
- No native animation
- Not ideal for large photographic images
Best for: Logos, icons, screenshots and any graphic that needs transparency or pixel-perfect edges.
JPEG XL
JXL (JPEG XL) is a next-generation image format with excellent compression, lossless JPEG re-encoding, transparency and animation. It can dramatically shrink files while keeping high quality.
Strengths
- Outstanding compression and quality
- Lossless and lossy modes
- Transparency and animation support
Limitations
- Limited browser support so far
- Few editors handle it yet
- Still an emerging format
Best for: Future-proof, high-efficiency storage — converted to JPG, PNG or WebP for compatibility today.