BUM Converter

Get reaConverter, our fast and easy BUM file converter software. It will help you to convert multiple .bum files in one go.

How to Convert .bum Files in Bulk

1. Install reaConverter

Download reliable BUM conversion software to convert multiple .bum files and folders in one go.

2. Select BUM Files

Select BUMs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load BUM files

3. Start Conversion

Click Convert to start the bulk conversion of all selected BUM files. The process will begin right away.
reaConverter - Start BUM conversion

Convert BUM on your PC

For quick and effortless BUM file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

Do more with your files

Converting BUM files for use in a larger project? 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.

Image editing

User Reviews

Average User Rating:
Last updated on November 01, 2025
"Exactly what I needed! Simple, fast, and no bloat. I use reaConverter Lite to resize and convert batches of images for documents. The presets make it super easy, and everything works smoothly."
Mark Jones
Mark Jones
Happy User
"Tried a few image tools before, but this one is by far the easiest. Drag, drop, convert — done in seconds. It saved me a ton of time when organizing my image folders."
Lisa K.
Lisa K.
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
Walter Morgan
Satisfied Customer
"We receive artwork in all kinds of formats from clients. reaConverter takes care of converting them all to print-ready specs automatically using Watch Folders. It reduces errors, saves us time, and has improved our turnaround time with customers. Incredibly powerful software."
Michael D.
Michael D.
Print Shop Owner
"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"
Richard E. Miller
Richard E. Miller
Satisfied Customer
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer

BUM files: Frequently Asked Questions

Can reaConverter open BUM files?

reaConverter fully supports the BUM file format – open, edit, and export BUM files to any other popular file format with ease.

How do I change BUM to another format?

reaConverter is a user-friendly tool for converting BUM files. Once installed on your computer, it allows you to convert all your .bum files at once with just a few clicks. You can even convert bum images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert BUM online?

If you only want to convert a few BUM files, you are welcome to try our free online BUM converter.

How can I turn BUM files on my computer to another format?

The best way to convert BUM files on your PC is to get 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.

How can I automate BUM files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert BUM files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line bum converter.

What else can I do with reaConverter?

Convert PDF filesWatermark photosChange format settingsChange DPIConvert RAW photos

What formats can I convert a BUM file to?

Discover more

Explore our efficient BUM file converter that saves you time and effort by converting multiple .bum files into different formats.
reaConverter software