GER to TXT Conversion Explained
Converting .GER to .TXT is a unique process because a Gerber file is already an ASCII text file. It contains RS-274X or X2 commands that tell printed circuit board (PCB) manufacturing machines where to draw copper traces, solder masks, and silkscreens. When users convert .GER to .TXT, they are usually doing one of two things: changing the file extension so a standard text editor can open it without triggering file-type filters, or extracting specific coordinate data and metadata into a simplified, human-readable text report.
You gain universal compatibility and the ability to inspect the raw manufacturing code. You lose all visual representation of the PCB. A text editor cannot render the physical layout of the board. If you need to see what the circuit board looks like, converting to .TXT is a bad idea. You should use a dedicated Gerber viewer or convert the file to .PDF or .SVG instead.
Typical Tasks and Users
This conversion serves specific technical workflows rather than general consumer needs:
- PCB Designers: Debugging export errors from Electronic Design Automation (EDA) software by inspecting the raw aperture definitions and coordinate blocks.
- CAM Engineers: Verifying tool codes (like
D10 or D11) before sending a panel to the manufacturing floor. - Software Developers: Writing custom parsers to extract pick-and-place coordinates or bounding box dimensions for automated testing scripts.
- CNC Operators: Extracting raw X and Y coordinates to feed into custom routing or drilling machines that do not accept standard Gerber files.
Software & Tool Support
Because .GER files are plain text, many standard programming and text tools can handle both formats:
- EDA Software: KiCad, Altium Designer, and Autodesk Eagle generate the original .GER files.
- Gerber Viewers: Gerbv and Cuprum render the text commands into visual PCB layers.
- Text Editors: Notepad++, Visual Studio Code, and Vim can open both .GER and .TXT for direct code editing.
- Parsing Libraries: Python libraries like pcb-tools can programmatically read .GER and output specific data to .TXT.
Pros and Cons of the Conversion
Pros:
- Universal Compatibility: Every operating system can open a .TXT file natively without specialized EDA software.
- Searchability: You can easily use standard search functions (Ctrl+F) or command-line tools (like
grep) to find specific coordinates, tool changes, or macro definitions. - Scripting: Plain text reports extracted from Gerber files are easy to parse with Python, bash, or PowerShell.
Cons:
- Zero Visual Fidelity: You cannot see the traces, pads, or board outline.
- Syntax Complexity: Raw RS-274X syntax is difficult for humans to read natively. It consists of dense blocks of alphanumeric codes.
- Risk of Corruption: Manually editing the text and saving it back as a .GER file can easily break the syntax, resulting in ruined PCB manufacturing runs.
Conversion Difficulties & Why Convert.Guru
The main technical difficulty in converting .GER to .TXT is parsing the data accurately. If you simply rename the file, the raw RS-274X commands remain dense and unformatted. If you want to extract meaningful data—such as a list of coordinates, aperture sizes, or layer metadata—the conversion tool must contain a strict Gerber parser. Handling legacy RS-274-D files is particularly difficult because they lack embedded aperture definitions, meaning the parser must guess or require external tool files.
Convert.Guru handles this conversion accurately by parsing the complex Gerber syntax and extracting the requested metadata into a clean, structured .TXT file. It ignores deprecated commands safely and formats the output so that developers and engineers can read the data without dealing with raw machine code.
GER vs. TXT: What is the better choice?
| Feature | .GER | .TXT |
| Primary Use | PCB manufacturing and CAM rendering | Reading, debugging, and scripting |
| Visual Rendering | Yes (via Gerber viewers) | No |
| Data Structure | RS-274X / X2 machine commands | Unformatted plain text |
Which format should you choose?
Choose .GER when you are sending files to a PCB fabrication house (like JLCPCB or PCBWay) or when you need to view the physical layout of your circuit board in a CAM tool. The manufacturing industry relies entirely on this format.
Choose .TXT if you need to debug the raw ASCII commands, write a custom parsing script, or extract specific coordinate data for a non-standard machine.
Avoid this conversion entirely if your goal is to share a visual proof of the circuit board with a client or colleague. For visual sharing, convert the .GER file to .PDF or .PNG.
Conclusion
Converting .GER to .TXT is a highly specialized process used primarily for debugging PCB exports and extracting coordinate data. Because Gerber files are already ASCII-based, this conversion strips away the intended visual rendering in favor of raw code inspection and script compatibility. The biggest limitation is the complete loss of visual layout, making the file useless for actual design review. Convert.Guru provides a reliable way to process this conversion, ensuring that complex RS-274X machine commands are parsed safely and output as clean, accessible text data.
About the GER to TXT Converter
Convert.Guru makes it fast and easy to convert Gerber PCB files to TXT online. The GER to TXT converter runs entirely in your browser, so there’s no software to install and no account required. Powered by one of the industry’s largest and most trusted file format databases—maintained for more than 25 years—our technology reliably identifies GER Gerber files even when they are damaged or incorrectly named. Uploaded files are automatically deleted after conversion to protect your privacy.