TN1 Converter

Offline TN1 converter with professional output. reaConverter keeps your files on your machine while you work.

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reaConverter
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TN1 Files
Online

How to Convert .tn1 Files in Bulk

1. Install reaConverter

Download reliable TN1 conversion software to convert multiple .tn1 files and folders in one go.
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Install reaConverter

2. Select TN1 Files

Select TN1s from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load TN1 files

3. Start Conversion

Click Convert to start the bulk conversion of all selected TN1 files. The process will begin right away.
reaConverter - Start TN1 conversion

Convert TN1 on your PC

For quick and effortless TN1 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 TN1 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 June 27, 2026
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Lin Zhang
Happy User
"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
"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."
Paul Baker
Paul Baker
Happy User
"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
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect

TN1 files: Frequently Asked Questions

What are TN1 files?

TN1 is an archaic format associated with Atari ST — a brand of personal computers that used to be popular in the 1980s and 1990s. TN1s represent compressed bitmap images created or edited using image software designed for Atari computers, such as Tiny Stuff or Tiny View. Opening such files with currently available image viewers is probably difficult, so conversion might be the best option.

Can reaConverter open TN1 files?

reaConverter fully supports the TN1 file format – open, edit, and export TN1 files to any other popular file format with ease.

How do I change TN1 to another format?

reaConverter is a user-friendly tool for converting TN1 files. Once installed on your computer, it allows you to convert all your .tn1 files at once with just a few clicks. You can even convert tn1 images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert TN1 online?

If you only want to convert a few TN1 files, you are welcome to try our free online TN1 converter.

How can I turn TN1 files on my computer to another format?

The best way to convert TN1 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 TN1.

How can I automate TN1 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 TN1 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 tn1 converter.

What else can I do with reaConverter?

Convert RAW photo formatsConvert vector filesConvert picture color spaceConvert GIS filesChange format settings

What formats can I convert a TN1 file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  cit  dcm  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  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  step  stl  stp  svg  svgz  tga  tif  tiff  u3d  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

Beyond TN1 conversion

Convert .tn1 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 · 64-bit · v8.0.242 · Files never leave your computer
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