TNL Converter

Use our fast and easy TNL file converter. Using reaConverter you will be able to convert all your TNL files as once.

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TNL Files
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How to Convert .tnl Files in Bulk

1. Install reaConverter

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

2. Select TNL Files

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

3. Start Conversion

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

Convert TNL on your PC

For quick and effortless TNL 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 TNL 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 September 01, 2025
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer
"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
"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
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
Satisfied Customer
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User
"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

TNL files: Frequently Asked Questions

What are TNL files?

TNL is an obsolete image format storing thumbnail images. It is considered rare and probably difficult to open using regular image viewers. Conversion to more popular formats might be the best way to access TNL files.

Can reaConverter open TNL files?

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

How do I change TNL to another format?

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

Can I convert TNL online?

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

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

The best way to convert TNL 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 TNL.

How can I automate TNL 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 TNL 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 tnl converter.

What else can I do with reaConverter?

Convert Gerber filesCrop imagesChange format settingsChange picture DPIConvert CAD formats

What formats can I convert a TNL 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 TNL file converter that saves you time and effort by converting multiple .tnl files into different formats.
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