TN1 Converter

Offline TN1 converter with professional output. reaConverter keeps your files secure 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 November 25, 2025
"Exactly what I needed! Simple, fast, and no bloat. I use reaConverter Lite to resize and convert batches of images for documents. The presets make it super easy, and everything works smoothly."
Mark Jones
Mark Jones
Happy User
"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
"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
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
Roger Cook
Roger Cook
Happy User
"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

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  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 

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Explore our efficient TN1 file converter that saves you time and effort by converting multiple .tn1 files into different formats.
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