# Convert HDR to JXL

> Convert HDR to JXL online for free. Runs entirely in your browser, so your files never leave your device. Fast batch conversion, no sign-up, no watermarks.

URL: https://www.converterrr.com/hdr-to-jxl

- Runs in the browser with ImageMagick: files are not uploaded, and no credits are used.
- Engines: ImageMagick (browser).
- API: not available; this conversion only runs in the browser.
- More: [Image converter](https://www.converterrr.com/image-converter), [HDR converter](https://www.converterrr.com/hdr-converter).

## How to convert HDR to JXL

1. **Add your HDR files.** Drag and drop HDR files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose JXL.** JXL is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Your files are converted right in your browser in seconds.
4. **Download your JXL.** Download each JXL file, or everything at once as a ZIP.

## Good to know

- HDR files are typically used for HDRI environment maps in 3D software, while JXL is best for next-generation photo storage and delivery.
- This conversion runs on ImageMagick, running locally in your browser — nothing is uploaded and it works even on slow connections.

## HDR vs JXL

|  | HDR | JXL |
| --- | --- | --- |
| Full name | Radiance HDR | JPEG XL |
| Type | Image | Image |
| Extensions | .hdr | .jxl |
| MIME type | image/vnd.radiance | image/jxl |
| Best for | HDRI environment maps in 3D software | next-generation photo storage and delivery |
| Properties | HDR | lossy compression, lossless, transparency, HDR, open standard |

**HDR:** Radiance HDR (RGBE) stores high-dynamic-range images and is widely used for environment maps and image-based lighting.

**JXL:** JPEG XL is a modern image format that can losslessly recompress existing JPGs by about 20% and beats WebP and AVIF on many photos.

The other way around: [convert JXL to HDR](https://www.converterrr.com/jxl-to-hdr).

## Related conversions

- [JXL to HDR](https://www.converterrr.com/jxl-to-hdr) (in the browser)
- [HDR to PNG](https://www.converterrr.com/hdr-to-png) (in the browser)
- [PNG to JXL](https://www.converterrr.com/png-to-jxl) (in the browser)
- [HDR to JPG](https://www.converterrr.com/hdr-to-jpg) (in the browser)
- [JPG to JXL](https://www.converterrr.com/jpg-to-jxl) (in the browser)
- [HDR to WebP](https://www.converterrr.com/hdr-to-webp) (in the browser)
- [WebP to JXL](https://www.converterrr.com/webp-to-jxl) (in the browser)
- [HDR to JPEG](https://www.converterrr.com/hdr-to-jpeg) (in the browser)
- [HEIC to JXL](https://www.converterrr.com/heic-to-jxl) (in the browser)
- [HDR to PDF](https://www.converterrr.com/hdr-to-pdf) (cloud)
- [JPEG to JXL](https://www.converterrr.com/jpeg-to-jxl) (in the browser)
- [HDR to GIF](https://www.converterrr.com/hdr-to-gif) (in the browser)

## Convert HDR to other formats

[HDR to PNG](https://www.converterrr.com/hdr-to-png), [HDR to JPG](https://www.converterrr.com/hdr-to-jpg), [HDR to WebP](https://www.converterrr.com/hdr-to-webp), [HDR to JPEG](https://www.converterrr.com/hdr-to-jpeg), [HDR to PDF](https://www.converterrr.com/hdr-to-pdf), [HDR to GIF](https://www.converterrr.com/hdr-to-gif), [HDR to AVIF](https://www.converterrr.com/hdr-to-avif), [HDR to ICO](https://www.converterrr.com/hdr-to-ico), [HDR to TIFF](https://www.converterrr.com/hdr-to-tiff), [HDR to BMP](https://www.converterrr.com/hdr-to-bmp), [HDR to PSD](https://www.converterrr.com/hdr-to-psd), [HDR to EPS](https://www.converterrr.com/hdr-to-eps), [HDR to TGA](https://www.converterrr.com/hdr-to-tga), [HDR to DDS](https://www.converterrr.com/hdr-to-dds), [HDR to EXR](https://www.converterrr.com/hdr-to-exr), [HDR to JP2](https://www.converterrr.com/hdr-to-jp2), [HDR to CUR](https://www.converterrr.com/hdr-to-cur), [HDR to PPM](https://www.converterrr.com/hdr-to-ppm), [HDR to QOI](https://www.converterrr.com/hdr-to-qoi), [HDR to PCX](https://www.converterrr.com/hdr-to-pcx), [HDR to PGM](https://www.converterrr.com/hdr-to-pgm), [HDR to PBM](https://www.converterrr.com/hdr-to-pbm), [HDR to PNM](https://www.converterrr.com/hdr-to-pnm), [HDR to XPM](https://www.converterrr.com/hdr-to-xpm)

## Convert other formats to JXL

[PNG to JXL](https://www.converterrr.com/png-to-jxl), [JPG to JXL](https://www.converterrr.com/jpg-to-jxl), [WebP to JXL](https://www.converterrr.com/webp-to-jxl), [HEIC to JXL](https://www.converterrr.com/heic-to-jxl), [JPEG to JXL](https://www.converterrr.com/jpeg-to-jxl), [GIF to JXL](https://www.converterrr.com/gif-to-jxl), [AVIF to JXL](https://www.converterrr.com/avif-to-jxl), [ICO to JXL](https://www.converterrr.com/ico-to-jxl), [TIFF to JXL](https://www.converterrr.com/tiff-to-jxl), [BMP to JXL](https://www.converterrr.com/bmp-to-jxl), [HEIF to JXL](https://www.converterrr.com/heif-to-jxl), [PSD to JXL](https://www.converterrr.com/psd-to-jxl), [CR2 to JXL](https://www.converterrr.com/cr2-to-jxl), [NEF to JXL](https://www.converterrr.com/nef-to-jxl), [DNG to JXL](https://www.converterrr.com/dng-to-jxl), [CR3 to JXL](https://www.converterrr.com/cr3-to-jxl), [ARW to JXL](https://www.converterrr.com/arw-to-jxl), [TGA to JXL](https://www.converterrr.com/tga-to-jxl), [DDS to JXL](https://www.converterrr.com/dds-to-jxl), [EXR to JXL](https://www.converterrr.com/exr-to-jxl), [RAF to JXL](https://www.converterrr.com/raf-to-jxl), [JP2 to JXL](https://www.converterrr.com/jp2-to-jxl), [CUR to JXL](https://www.converterrr.com/cur-to-jxl), [XCF to JXL](https://www.converterrr.com/xcf-to-jxl)

## HDR to JXL: frequently asked questions

### How do I convert HDR to JXL?

Drop your HDR file onto the converter above, make sure JXL is selected, and click Convert. When it's done, download the JXL file — it usually takes a few seconds.

### Is it safe to convert HDR to JXL here?

Yes. HDR to JXL conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

### Is the HDR to JXL converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

### Will converting HDR to JXL reduce quality?

No — JXL preserves the content of your HDR file as faithfully as the format allows.

### Can I convert multiple HDR files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

### Can I convert JXL back to HDR?

Yes — use our JXL to HDR converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.