100% Secure & Private
GM1 Converter
Convert GM1 files on your own machine instead of an upload form. reaConverter processes everything locally, with no size limits.
How to Convert .gm1 Files in Bulk
1. Install reaConverter
2. Select GM1 Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless GM1 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.
Extra Tools
Do more with your files
Converting GM1 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.
User reviews
From those who tried it
Average User Rating:Last updated on June 26, 2026
Questions & Answers
GM1 files: Frequently Asked Questions
What are GM1 files?
The GM1 file format, also known as Gerber format, is a standard electronic file format used for the manufacturing of printed circuit boards (PCBs). It contains design information about the conductive layers, soldermask layer, and other technical details needed to produce a PCB. The file is created by a computer-aided design (CAD) software tool, and it is typically used by PCB manufacturing companies to produce the physical PCB. It is named after its creator, Joseph Gerber, who invented it in the 1960s. GM1 files are often sent alongside Excellon drill files, which provide information about holes that need to be drilled on the PCB.
Can reaConverter open GM1 files?
reaConverter fully supports the GM1 file format – open, edit, and export GM1 files to any other popular file format with ease.
How do I change GM1 to another format?
reaConverter is a user-friendly tool for converting GM1 files. Once installed on your computer, it allows you to convert all your .gm1 files at once with just a few clicks. You can even convert gm1 images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert GM1 online?
If you only want to convert a few GM1 files, you are welcome to try our free online GM1 converter.
How can I turn GM1 files on my computer to another format?
The best way to convert GM1 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 GM1.
How can I automate GM1 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 GM1 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 gm1 converter.
What else can I do with reaConverter?
Convert PDF filesAdd watermark on imageConvert GIS filesChange format settingsCopy metadata (EXIF, IPTC)
What formats can I convert a GM1 file to?
Discover More
Beyond GM1 conversion
Convert .gm1 files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
