JPEG-XR-HEIF vs WebP Format Comparison
image/jxra
image/webp
A complete technical comparison of JPEG XR Image (HEIF Container) and WebP Image — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.
Feature Support
| Feature | JPEG-XR-HEIF | WebP |
|---|---|---|
| Transparency (Alpha) | Yes | Yes |
| Animation Support | ✕ No | Yes |
| Progressive Loading | Yes | ✕ No |
| HDR Support | Yes | ✕ No |
| EXIF Metadata | Yes | Yes |
| ICC Color Profile | Yes | Yes |
image/jxra
.jxra
JPEG XR (Lapped Biorthogonal Transform)
image/webp
.webp
VP8VP8L
Browser Support Comparison
| Browser | JPEG-XR-HEIF | WebP |
|---|---|---|
Chrome
|
✕ |
✓ 32+
|
Firefox
|
✕ |
✓ 65+
|
Safari
|
✕ |
✓ 14+
|
Edge
|
✕ |
✓ 18+
|
IE (Legacy)
|
✕ | ✕ |
JPEG-XR-HEIF Strengths
- Combines the deep color (32-bit float) and mathematically lossless compression of JPEG XR with the robust metadata architecture of HEIF
- Allows grouping multiple images, exposure brackets, or focal stacks into a single file collection
- Practically non-existent software and operating system support compared to standard HEIC or legacy JPEG XR (.jxr)
- Zero web browser support, rendering it entirely unsuitable for public web deployment
- Eclipsed by modern standards like AVIF and JPEG XL which offer superior compression with much broader industry backing
WebP Strengths
- Superior lossy compression — 25–35% smaller than JPEG at equivalent quality
- Supports both animation and full alpha transparency
- Lossless mode available with smaller file sizes than PNG
- Slower encoding than JPEG, especially for lossless
- Not supported in Internet Explorer or very old browsers
When to choose which format
- Specialized Archival
- Experimental Imaging Workflows
- High Dynamic Range (HDR) Imaging
- Websites
- Ecommerce
- Mobile Apps
- CMS Images
Convert & Edit Online
Free online web tools for JPEG-XR-HEIF and WebP files.
Resize, scale, crop, and modify dimensions for any photo or graphic.
Clean EXIF, camera, lens, and location tags from your photos.
Convert modern web images to universal high-compatibility JPG.
Reduce image file sizes for faster web performance.
Convert WebP images to standard universal JPEG files in seconds.
Convert WebP to lossless PNG with full transparency preserved.
Convert raster WebP images into vector SVG graphics.
Generate multi-size Windows icon and favicon (.ico) files from WebP.
Export WebP images into printable PDF documents.