BLK Converter

Turn BLK files into JPG, PNG, PDF and 700+ other formats. reaConverter handles bulk conversion with consistent quality.

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BLK Files
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How to Convert .blk Files in Bulk

1. Install reaConverter

Download reliable BLK conversion software to convert multiple .blk files and folders in one go.
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Install reaConverter

2. Select BLK Files

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

3. Start Conversion

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

Convert BLK on your PC

For quick and effortless BLK 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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Do more with your files

Converting BLK 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

Average User Rating:
Last updated on January 29, 2026
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"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
"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
"My photography business relies on fast, accurate processing of images. With reaConverter’s Watch Folder, I drop my RAW photos into a folder and they’re instantly converted to high-res JPEGs with custom naming and watermarking. It’s streamlined my post-processing more than I imagined possible."
Emily R.
Emily R.
Photographer
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User

BLK files: Frequently Asked Questions

What are BLK files?

The BLK file format was closely linked to the Amiga, a series of personal computers that were marketed under the Commodore brand in the 1980s and 1990s. These files were designed to store bitmap images and functioned as a part of the larger Amiga IFF (Interchange File Format) collection. Since the decline of the Amiga computer, BLK files have become obsolete and can only be viewed using a limited selection of image viewer applications.

Can reaConverter open BLK files?

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

How do I change BLK to another format?

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

Can I convert BLK online?

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

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

The best way to convert BLK 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 BLK.

How can I automate BLK 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 BLK 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 blk converter.

What else can I do with reaConverter?

Convert Gerber filesCrop imagesConvert GIS filesCopy IPTC dataConvert vector files

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

Discover more

Explore our efficient BLK file converter that saves you time and effort by converting multiple .blk files into different formats.
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