WOFF to SIX conversion is the process of transforming a web font packaged in the WOFF (Web Open Font Format) container into the SIX format, a less common or specialized font/container type used by specific applications or platforms. This conversion extracts glyph outlines, metadata, and hinting from the WOFF package and repackages or re-encodes them into the SIX format while attempting to preserve visual fidelity and font metrics.
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Read guide →Drag your .WOFF file from your computer or use the browse function.
Confirm .six as the selected destination format.
Click "Convert" and download your converted .SIX file once ready.
The WOFF file format uses MIME type font/woff and is primarily designed for web font delivery using compression codecs like zlib. SIX, with MIME type application/x-six, is used for specialized font rendering and supports a broader set of glyphs. Both formats focus on efficient font distribution, but SIX targets extended compatibility and advanced typographic features.
The SIX (.SIX) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like WOFF.
While specific technical details aren't available here, SIX files generally serve the purpose of storing image effectively within their domain.
Convert your WOFF font files to SIX format effortlessly with our online WOFF to SIX converter. Designed for optimal speed and accuracy, our tool supports seamless conversion without any software installation. Whether you are a designer or developer, converting WOFF to SIX has never been easier.
WOFF is widely used for web fonts and supports compression optimized for online use, while SIX is a newer format designed to extend font compatibility and efficiency. SIX files typically offer enhanced features including advanced glyph support and potentially better performance in certain environments. Choosing SIX over WOFF may benefit projects requiring broader font support and optimization.
Keep individual WOFF files under 5–10 MB for fastest conversion and to avoid memory issues; very large fonts can slow processing or require chunked conversion.
To preserve on-screen rendering, choose a SIX preset that preserves hinting and subpixel instructions; disabling hinting can reduce size but may change glyph rasterization.
For batch conversion, group fonts with similar formats (TTF-based or CFF-based) to minimize processing differences and use a scripted or queued converter to avoid manual overhead.
Some SIX implementations may not support advanced OpenType features, variable font tables, or uncommon GSUB/GPOS lookups—test converted fonts in the target application.
This WOFF to SIX converter saved me hours of work.
Emily R.
Graphic Designer
Fast and reliable conversion every time I use it.
James L.
Web Developer
The quality of the SIX files after conversion is outstanding.
Anna M.
Font Enthusiast
Start your free WOFF to SIX conversion now.
Drag your file here to to upload.
Up to 250MB
If you need exact metrics and kerning, compare post-conversion metrics in a font editor and keep original WOFF backups in case manual adjustments are required.