Convert GTL to AVIF

Stop converting GTL files one by one. reaConverter processes entire folders to AVIF automatically — just drag, drop, and click Convert.

Got a folder full of GTL files? reaConverter batch converts them to AVIF in minutes, not hours. Local processing means instant results, even with thousands of files.

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GTL to AVIF
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GTLAVIF

How to Convert Multiple GTL Files to AVIF?

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting GTL files in under two minutes.

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Install reaConverter

2. Load your GTL files

Start reaConverter and add your .gtl files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your GTL files into reaConverter

3. Select AVIF as output format

Select AVIF from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

Select AVIF as output format

4. Start GTL to AVIF conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your AVIF output.

GTL to AVIF Converter

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

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Do more with your files

Converting GTL 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
Image editing

User Reviews

Average User Rating:
Last updated on January 14, 2026
"Google Photos auto-saved my pics as AVIF files that won’t open anywhere. reaConverter rescued 3 years of memories AND kept the quality. Take that, ‘innovation’!"
Derek Snyder
Derek Snyder
Satisfied Customer
"Twitch thumbnails keep saving as AVIF and my editing software freaks out. reaConverter swaps them to JPEG instantly. Now I can actually post my ‘🔥HOT TAKES🔥’ without crying over file errors."
Amy Li
Amy Li
Content Creator
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
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
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
Robert Williams
Robert Williams
Happy User

GTL to AVIF Conversion: FAQ

What are GTL files?

The GTL extension is part of the Gerber group of formats, used as a standard in the fabrication of printed circuit boards (PCB). Gerber files contain 2D vector images that describe different data connected to PCB production, such as copper layers, solder masks, drilling or milling info. GTL files are created using Protel, a popular software for PCB layout design, and they describe the top copper layer.

What are AVIF files?

AVIF is a new image format launched at the end of 2020. AV1 Image File Format was developed by the Alliance for Open Media in collaboration with Netflix, Google and Cisco. This format was created to be an open-sourced and royalty-free image format with a super-compression efficiency. Multiple graphics compression tests show that the .avif format outperforms the JPEG, PNG and WebP image formats for its image quality to compressed file size ratio.

Can reaConverter convert GTL to AVIF?

Yes! reaConverter instantly converts .gtl to .avif 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 GTL to AVIF online?

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

How can I turn GTL files into AVIF on my computer?

The best way to change GTLs to AVIFs 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 GTL to AVIF.

How can I automate GTL to AVIF 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 GTL files to AVIF using the command prompt?

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

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceChange format settingsChange image DPIConvert RAW photo formats

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