GDF Converter

Extract text from GDF files

Select File
Drop or upload your .GDF file

Online File Converter

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How to extract text from your GDF file

Click the "Select File" button above, and choose your GDF file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.

Convert GDF to another file type

To convert your GDF file to another format, you need Gephi or other Data software.

Convert a file to GDF

To convert other file formats to the "Scientific & Visualization Data" file type, you need software like Gephi or a similar tool.

About GDF files

The .GDF extension covers a fragmented landscape of specialized file formats, most frequently representing either General Data Format files for biomedical research or Graph Data Format files for network visualization.

1. General Data Format (Biosignals)

Used primarily in scientific research to store biomedical signals like EEG (brainwaves), ECG (heart activity), and EMG (muscle activity).

The Challenge: These are binary files designed for efficiency, not accessibility. They are incompatible with standard spreadsheet software like Microsoft Excel or general media players.
The Solution: For analysis, convert these to CSV or MAT (MATLAB). For sharing clinical results, convert to PDF.

2. Graph Data Format (Visualization)

Created for tools like Gephi and GUESS, these files describe mathematical graphs (nodes and edges) used in social network analysis and link visualization.

The Challenge: While often human-readable, raw GDF files are useless for presentations or web publishing. They require specialized parsing software to visualize the relationships.
The Solution: Convert to SVG or PDF for high-quality print and vectors. For web integration, convert to JSON or GEXF.

3. Industrial & Other Uses

Less commonly, a GDF file may be a proprietary HMI screen from ICONICS GraphWorX or a gravity field model. These formats are strictly locked to their vendor software. Simply upload your file to identify its type and convert it to a universally accessible format.

Convert.Guru analyzes your GDF file, detects the exact format, and lets you read the text inside.

Users also converted GFD4, GFD, ZIP, JPG, JPEG, QDF, DOCX, GDB, XLSX, PDF, OBJ, STP and P7M files.

FAQ

If you want to convert GDF file to GEOJSON, CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT or DB, you can use Gephi or similar software from the "Biomedical & Graph Data Storage" category. In the File menu, look for Save As… or Export….

To convert DBF, XML, SQLITE, XLSX, SQL, TSV, ACCDB, YAML, MDB, CSV, ODS or JSON files to GDF, try Gephi or another comparable tool in the "Biomedical & Graph Data Storage" category.

The GDF Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our GDF converter.