BUM Converter

Why upload sensitive BUM files to online converters? reaConverter processes everything locally — zero cloud risk.

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 March 01, 2026
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"I was drowning in mismatched file formats until I found reaConverter. The one-click conversion and editing tools simplified everything, and the pricing is reasonable for small businesses. Now I spend less time troubleshooting and more time growing my brand!"
Emily K.
Emily K.
E-commerce Entrepreneur
"reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically, exactly how I need it. This is pro-level automation made simple."
Chloe M.
Chloe M.
Freelance Illustrator
"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Marcus White
Healthcare IT
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User

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