Convert HDR to JXL

Need to convert hundreds of HDR files to JXL? reaConverter does it in one click. No file limits, no watermarks, no internet required.

Tired of converting HDR files one at a time? reaConverter processes entire folders to JXL automatically. Handles large batches reliably without crashes or timeouts.

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed. Need edits? Resize, rotate, or add watermarks during conversion.

Install reaConverter

2. Load your HDR files

Add HDR files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.

You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

3. Select JXL as output format

Select JXL from the output format list and set your destination folder. You can also adjust quality and compression settings.

4. Start HDR to JXL conversion

Click the Convert button to start. reaConverter will process all your files with the settings you selected.

When finished, your new .jxl files will be waiting in the destination folder.

HDR to JXL Converter

reaConverter offers the fastest, simplest solution for converting your HDR files into JXL in seconds - all images processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your images

Converting HDR images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

Image editing tools

User Reviews

Average User Rating:
Last updated on January 13, 2026

"reaConverter’s Watch Folders feature has transformed my workflow! I set it to automatically convert my images to JXL, and now every new file I add gets optimized instantly. JXL keeps my photos crisp at half the file size of JPEGs. Super easy setup, flawless results – a must for batch processing!"

Alex R.

Photographer

"Switching to JXL format with reaConverter was effortless. The compression is incredible - my images look perfect at half the file size of JPEGs. The batch conversion works flawlessly, saving me storage space without sacrificing quality. JXL is clearly the future, and reaConverter makes adoption painless!"

Mark T.

Satisfied Customer

"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."

Roger Cook

Happy User

"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."

Jamal Bailey

Satisfied Customer

"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"

Jason P. Bailey

Non-Profit Coordinator

"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."

Elena Anderson

Happy User

HDR to JXL Conversion: FAQ

Can reaConverter convert HDR to JXL?

Yes! reaConverter instantly converts .hdr to .jxl with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert HDR to JXL online?

If you only need to convert a few HDR files to JXL format, feel free to try our free online free online HDR to JXL converter — perfect for small batches with no installation needed!

How can I turn HDR files into JXL on my computer?

The best way to change HDRs to JXLs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from HDR to JXL.

How can I automate HDR to JXL files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert HDR files to JXL using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line hdr to jxl converter for batch processing.

What else can I do with reaConverter?

Set manual file date Convert GIS files Change format settings Change DPI Convert vector files