Convert JXR to HEIC
Convert JXR to HEIC online: the JPEG XR photo decoded at its full resolution, saved as a HEIC image. Free, no sign-up.
Drop your JXR files here
Up to 50MB per file.
Conversion Settings
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your JXR files
Drag and drop or select JXR files from your device. You can upload multiple files at once.
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Configure Output
Choose any available HEIC output options, then start the conversion.
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Download HEIC files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert JXR to HEIC?
JXR is the JPEG XR image format, introduced by Microsoft as HD Photo and standardised for high-quality photographic storage with efficient compression. The photo is decoded with the JPEG XR reference decoder at its full width and height, keeping the picture exactly as it was framed.
HEIC uses High Efficiency Image Coding, the format iPhones and iPads save photos in, so the image is compact while staying sharp.
Frequently Asked Questions
How do I convert JXR to HEIC?
Drop your JXR file above and press Convert. Our servers decode the JPEG XR data with Microsoft's reference JxrDecApp decoder into a lossless PNG, then encode that picture in the format you chose. The result is saved as a HEIC image, ready to download.
Where do JXR photos usually come from before becoming a HEIC?
JPEG XR is written by Microsoft imaging tools, and Xbox and Windows Game Bar save HDR screenshots as .jxr files. Any file following the JPEG XR standard converts the same way.
Which standard defines the JXR images that are turned into HEIC?
JPEG XR, standardised as ISO/IEC 29199-2 and ITU-T T.832 after Microsoft introduced it as HD Photo. Files that follow this standard are read with its reference decoder.
How big is the HEIC image from a JXR file?
The image keeps the full pixel dimensions of the JXR photo.
How compact is the HEIC made from a JXR file?
HEIC uses High Efficiency Image Coding, which typically needs about half the space of a JPG of similar quality, so even detailed pages stay small.
Is my .jxr file kept private?
Your file is uploaded over an encrypted connection, converted on our servers and deleted automatically within 24 hours. We never read, share or keep your files, and no account is needed.