GTM Converter

Convert GTM files fast and easy with reaConverter - batch process all your files at once with just a few clicks.

GTMConverter

How to Convert .gtm Files in Bulk

1. Install reaConverter

Download reliable GTM conversion software to convert multiple .gtm files and folders in one go.

2. Select GTM Files

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

3. Start Conversion

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

Convert GTM on your PC

For quick and effortless GTM 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.

Do more with your files

Converting GTM 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.

Image editing

User Reviews

Average User Rating:
Last updated on August 30, 2025
"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
"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
"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
"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
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User

GTM files: Frequently Asked Questions

Can reaConverter open GTM files?

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

How do I change GTM to another format?

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

Can I convert GTM online?

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

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

The best way to convert GTM 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 GTM.

How can I automate GTM 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 GTM 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 gtm converter.

What else can I do with reaConverter?

Set file dateConvert PDFAdd text on picturesConvert GIS filesConvert CAD formats

What formats can I convert a GTM file to?

Discover more

Explore our efficient GTM file converter that saves you time and effort by converting multiple .gtm files into different formats.
reaConverter software