BDF Converter

Convert bitmap fonts (BDF) online for free


Drop or upload your .BDF file

How to convert your BDF file

  1. Click the "Select File" button above, and choose your BDF file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.

Convert BDF to another file type

The converter easily converts your BDF fonts to various formats - free and online. No FontForge or or other Font software needed.

  • BDF to HTML
  • BDF to CSV

Convert a file to BDF

To convert other file formats to the "Bitmap Font & Bio Data" file type, you need software like FontForge or a similar tool.


About BDF files

The .BDF file extension represents several entirely distinct file formats, creating frequent confusion for users. Most commonly, it is a Glyph Bitmap Distribution Format text file created by Adobe to store bitmap fonts for X Window Systems. Alternatively, it serves as a Biomedical Signal Recording data file generated by BioSemi ActiveTwo EEG systems. In engineering contexts, it functions as a Block Design File in Altera Quartus or a Bulk Data File for MSC Nastran finite element analysis.

The core problem with .BDF files is their sheer fragmentation and archaic structures. If you possess a .BDF font, it is strictly a bitmap format - it will not scale smoothly like modern vector fonts and lacks native installation support in modern Windows or macOS environments. For BioSemi data, the proprietary nature of the hardware means you cannot easily plot or analyze the data in standard statistical software without dedicated parsers. Furthermore, Nastran and Quartus files are strictly tied to expensive, heavy-duty engineering suites.

For typographic use, you should convert .BDF fonts to TTF (TrueType) or OTF (OpenType) to ensure smooth vector scaling and compatibility across modern software. For web deployment, convert them to WOFF or WOFF2. If you are handling BioSemi EEG files, converting to EDF (European Data Format) or CSV is essential for broader analysis in Python or standard spreadsheet applications.

Use Convert.Guru to open and convert your BDF file.

Users also converted BFD, PDF, DBF, EEG, JPG, JPEG, ZIP, PNG, EDF, DOCX, FON, TTF and GDS files.


FAQ

If you want to convert BDF file to TTF, PDF, ISO, IMG, DMG, VHD, VMDK, VDI, HDD, QCOW, QCOW2 or RAW, you can use FontForge or similar software from the "Font & Biomedical Data Storage" category. In the File menu, look for Save As… or Export….

To convert VFD, DMG, OVA, IMA, VBOX, ADF, PVS, VHD, OVF, ISO, DSK or IMG files to BDF, try FontForge or another comparable tool in the "Font & Biomedical Data Storage" category.



The BDF 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 BDF converter.