BW Converter

Try our offline BW file converter. Every year thousands of users around the world save thousands of hours using reaConverter!

Download
reaConverter
Convert
BW Files
Online

How to Convert .bw Files in Bulk

1. Install reaConverter

Download reliable BW conversion software to convert multiple .bw files and folders in one go.
reaConverter logo
Install reaConverter

2. Select BW Files

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

3. Start Conversion

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

Convert BW on your PC

For quick and effortless BW 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.

Download reaConverter

Do more with your files

Converting BW 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

User Reviews

Average User Rating:
Last updated on February 27, 2025
"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
Satisfied Customer
"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
Healthcare IT
"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
"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.
Freelance Illustrator
"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
Happy User
"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.
Satisfied Customer

BW files: Frequently Asked Questions

What are BW files?

The BW format represents the black-and-white version of SGI (Silicon Graphics Image), a raster format created using Silicon Graphics workstation. Similar formats include RGB and RGBA. SGI and its related file extensions were first developed by Paul Haeberli and wereinitially released in mid-1990s. They are currently considered obsolete and difficult to open with regular image viewers.

Can reaConverter open BW files?

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

How do I change BW to another format?

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

Can I convert BW online?

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

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

The best way to convert BW 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 BW.

How can I automate BW 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 BW 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 bw converter.

What else can I do with reaConverter?

Convert DICOM imagesResize pictureConvert RAW photo formatsCopy IPTC dataConvert vector images

What formats can I convert a BW file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  hpg  hru  ico  iff  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  riff  rla  sgi  shp  step  stl  stp  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

Discover more

Explore our efficient BW file converter that saves you time and effort by converting multiple .bw files into different formats.
Download
reaConverter
Buy Now
reaConverter software