NFTR Converter

Extract text from Nintendo DS fonts (NFTR)


Drop or upload your .NFTR file
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How to extract text from your NFTR file

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

Convert NFTR to another file type

To convert NFTR fonts to another format, you need NitroPaint or other Font software.

Convert a file to NFTR

To convert other file formats to the "Nitro Font Resource" file type, you need software like NitroPaint or a similar tool.


About NFTR files

An .NFTR file is a proprietary Nintendo DS Font Type used by the Nitro SDK to render text inside legacy DS video games. These files store bitmap glyphs and character mapping data specifically optimized for low-resolution console displays. Developers and ROM hackers use specialized tools like CrystalTile2 or NitroPaint to extract or modify these fonts. The primary disadvantage of the .NFTR format is its highly proprietary nature. It is a closed binary file that cannot be natively installed on Windows, macOS, or Linux. Modern web browsers and standard operating systems completely reject it, making the text data trapped inside the game environment. Users typically need to convert .NFTR files to standard formats like TTF (TrueType) or OTF (OpenType) for system-wide installation, or extract the glyphs as PNG images for graphic design. Standard online converters fail to process this format because it lacks standard font headers and is entirely undocumented outside of reverse-engineering communities. This file format is notoriously difficult to open or convert because often only the original Nintendo development software or dedicated ROM hacking applications can properly read the data arrays. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.

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

Users also converted TTF and OTF files.


FAQ

If you want to convert NFTR file to TTF, OTF, WOFF, WOFF2, EOT, SVG, BDF, PCF, FNT, FON, PFM or AFM, you can use NitroPaint or similar software from the "Game Bitmap Font Storage" category. In the File menu, look for Save As… or Export….

To convert UFO, WOFF, PFB, GXF, AFM, F3F, SFD, WOFF2, PSF, TTF, TXF or OTF files to NFTR, try NitroPaint or another comparable tool in the "Game Bitmap Font Storage" category.



The NFTR 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 NFTR converter.