Convert BUM to JXL

Stop converting BUM files one by one. reaConverter processes entire folders to JXL automatically — just drag, drop, and click Convert.

Looking to change BUM files to JXL format? reaConverter makes it simple — add your files, select output format, and convert entire folders in one click. Runs entirely on your hardware for maximum speed — no waiting for uploads or server queues.

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting BUM files in under two minutes.

Install reaConverter

2. Load your BUM files

Start reaConverter and add your .bum files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

3. Select JXL as output format

Select JXL from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

4. Start BUM to JXL conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your JXL output.

BUM to JXL Converter

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

Download Free Trial

Do more with your files

Converting BUM files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features

User Reviews

Average User Rating:
Last updated on January 18, 2026

"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

"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

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

Elena Anderson

Happy User

"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."

R. Lewis

Happy User

"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."

Walter Morgan

Satisfied Customer

"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"

Logan B.

Satisfied Customer

BUM to JXL Conversion: FAQ

Can reaConverter convert BUM to JXL?

Yes! reaConverter instantly converts .bum 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.

Can I convert BUM to JXL online?

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

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

The best way to change BUMs 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 BUM to JXL.

How can I automate BUM 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 BUM 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 bum to jxl converter for batch processing.

What else can I do with reaConverter?

Convert GIS files Convert DICOM images Resize pictures Convert Gerber images Crop photos