Convert GTM to APNG

GTM to APNG made simple. Add files or folders, pick your settings, click Convert. reaConverter handles the rest — even thousands of files.

reaConverter transforms GTM files to APNG quickly and reliably. Drag in folders, set your options, click Convert, done. No cloud accounts, no file uploads, no complicated setup. Just install and start converting.

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

Install reaConverter

2. Load your GTM files

Load your GTM files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.

Select GTMs from a folder or drag-and-drop them directly into the reaConverter window.

3. Select APNG as output format

Choose APNG for output and set your save location. reaConverter lets you customize quality and apply edits before conversion.

4. Start GTM to APNG conversion

Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

After processing, find all your new .apng files in the output location. The log shows details for each conversion.

GTM to APNG Converter

reaConverter offers the fastest, simplest solution for converting your GTM files into APNG in seconds - all files processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your files

Converting GTM files for use in a workflow? 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

User Reviews

Average User Rating:
Last updated on January 25, 2026

"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."

Rebecca Turner

Marketing Agency CEO

"I was drowning in mismatched file formats until I found reaConverter. The one-click conversion and editing tools simplified everything, and the pricing is reasonable for small businesses. Now I spend less time troubleshooting and more time growing my brand!"

Emily K.

E-commerce Entrepreneur

"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

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.

IT Solutions Architect

"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

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.

Satisfied Customer

GTM to APNG Conversion: FAQ

Can reaConverter convert GTM to APNG?

Yes! reaConverter instantly converts .gtm to .apng with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert GTM to APNG online?

If you only need to convert a few GTM files to APNG format, feel free to try our free online free online GTM to APNG converter — perfect for small batches with no installation needed!

How can I turn GTM files into APNG on my computer?

The best way to change GTMs to APNGs on your PC is to install 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 to APNG.

How can I automate GTM to APNG files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert GTM files to APNG using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line gtm to apng converter for batch processing.

What else can I do with reaConverter?

Convert PDF files Watermark photos Convert RAW photos Set manual file date Change format settings