Convert anything, at global scale.
200+ formats and automation APIs that feels instant.
CONVERT
From
To
Drop files or choose a source
Upload multiple files at once, mix formats, and fine-tune every conversion with format-aware settings.
Max 2GB per file · Drag & drop ready · Mixed file types welcome
XUL at a glance
XUL
XUL emerged in the early Mozilla era and powered Firefox's interface and add-on ecosystem for years before Firefox Quantum and the WebExtensions shift made most mainstream XUL workflows legacy.
JXR at a glance
JXR
JPEG XR grew from Microsoft's HD Photo work and then moved through standards bodies, but it remained much more niche than formats such as JPEG, PNG, or later AVIF/WebP families.
Format comparison
| Feature | XUL | JXR |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1999 | 2009 |
| Inventor | Mozilla (David Hyatt, others) | Microsoft |
| Status | legacy | active |
| Primary use cases |
|
|
| Vector scaling | Not supported | Not supported |
When to use each format
When to use XUL
- Your source file is already in XUL.
- Preserve source expectations before exporting to JXR.
- XUL is commonly used in document workflows.
When to use JXR
- Your target workflow expects JXR.
- Improve delivery compatibility with JXR.
- JXR is commonly used in image workflows.
FAQs
Why convert XUL to JXR?
Convert to JXR when the receiving environment explicitly expects JPEG XR or when recovering historical assets from that ecosystem.
For broader distribution, TIFF, PNG, AVIF, or WebP are usually easier choices.
What changes when converting XUL to JXR?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting XUL to JXR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.