PFB to CFF conversion is the process of transforming a Type 1 PostScript font in PFB (Printer Font Binary) format into a CFF (Compact Font Format) font outline typically embedded in OpenType/CFF containers. This conversion repackages glyph outlines, hinting, and font metadata into the more compact CFF structure for improved file size, better compatibility with modern layout engines, and easier integration into OpenType-based workflows.
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Read guide →Drag your .PFB file from your computer or use the browse function.
Confirm .cff as the selected destination format.
Click "Convert" and download your converted .CFF file once ready.
PFB files use the MIME type application/x-font-type1 and store PostScript Type 1 font data, often used in legacy desktop publishing. CFF files have the MIME type application/vnd.cff and are embedded within OpenType fonts, using the Compact Font Format to optimize font data. Both formats rely on different encoding codecs for font outlines and hinting.
The CFF (.CFF) format is commonly used for other. Understanding its characteristics can be helpful when converting to or from other formats like PFB.
While specific technical details aren't available here, CFF files generally serve the purpose of storing other effectively within their domain.
Easily convert your PFB font files to the CFF format with our user-friendly online converter. Designed for designers, developers, and typographers, our tool ensures fast and reliable conversion without any software installation. Experience seamless font format transformation in just a few clicks.
PFB and CFF are both font file formats, but PFB is a PostScript font binary file commonly paired with PFM files, while CFF is a more compact and modern font format used in OpenType fonts. CFF fonts typically offer better compression and improved rendering performance compared to PFB files.
Keep individual PFB files under 50–100 MB for fastest processing; larger files are supported but will take more time and memory.
To preserve rendering quality, choose an option that retains original Type 1 hinting; re-hinting can change on-screen and print results.
For multiple fonts, use batch conversion tools or ZIP your PFB files; convert in batches to avoid memory spikes.
Note format-specific limitations: CFF cannot store Type 1-specific private encryption or some legacy metadata without adjustment.
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Typographer
Start your free PFB to CFF conversion now.
Drag your file here to to upload.
Up to 250MB
If you need variable font features, consider converting to CFF2/OpenType Variable formats — standard CFF is static only.