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BUM Converter

Convert BUM files on your own machine instead of an upload form. reaConverter processes everything locally, with no size limits.

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BUM Files
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Over 25 years of experience

Your files never leave your PC

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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.
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Install reaConverter

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

Step by step

See It in Action

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.

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Extra Tools

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.

Conversion features
Image editing

User reviews

From those who tried it

Average User Rating:
Last updated on June 29, 2026
I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!
Mark T.
Mark T.
Satisfied Customer
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
Jamal Bailey
Satisfied Customer
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
This program is incredibly simple and user-friendly, even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!
Kevin Harris
Kevin Harris
Happy User
Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines.
Rebecca Turner
Rebecca Turner
Marketing Agency CEO
Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!
Henry R.
Henry R.
Happy User

Questions & Answers

BUM files: Frequently Asked Questions

What are BUM files?

The BUM file extension is associated with Poser — a graphics program specialized in modeling 3D human figures and used for creating animations and digital images. A BUM file can contain static or dynamic bump images.

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 DICOM filesCrop photoChange format settingsCopy metadata (EXIF, IPTC)Convert PDF files

What formats can I convert a BUM file to?
bum → aibum → apngbum → avifbum → bmpbum → bpgbum → calbum → cg4bum → cgmbum → cinbum → citbum → dcmbum → dcxbum → ddsbum → dgnbum → disbum → drwbum → dwfbum → dwgbum → dxfbum → emfbum → epibum → epsbum → faxbum → fitsbum → flifbum → gbrbum → gifbum → glbbum → gltfbum → hpgbum → hrubum → icobum → iffbum → igesbum → igsbum → jp2bum → jpegbum → jpgbum → jxlbum → jxrbum → ktx2bum → mifbum → mtvbum → pclbum → pctbum → pcxbum → pdfbum → pgmbum → picbum → pltbum → pngbum → ppmbum → prcbum → psbum → psdbum → qoibum → qrtbum → radbum → rlabum → sgibum → shpbum → stepbum → stlbum → stpbum → svgbum → svgzbum → tgabum → tifbum → tiffbum → u3dbum → webpbum → webpllbum → wmfbum → wmzbum → wpgbum → wrlbum → x3dbum → xbmbum → xpm

Discover More

Beyond BUM conversion

Convert .bum files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.

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Free trial · Windows 10/11 · v8.0.248 · Files never leave your computer

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