Font Subsetter
Use Font Subsetter on AboveTool for color, gradient, QR, OG image, and design utilities — private browser tools, no signup.
Font Subsetter
used to reduce a web font file's size by removing all characters except the ones your website actually uses
Produces a unicode-range CSS snippet and character inventory for subsetting. Full binary glyph stripping needs a dedicated font tool on desktop for complex CFF/TrueType tables.
subsetting can reduce a font file by 80-95% for sites using only Latin characters — always subset before serving fonts on the web for maximum performance
About Font Subsetter
Font Subsetter is used to reduce a web font file's size by removing all characters except the ones your website actually uses. It takes a font file and a character set or text sample, strips all unused glyphs from the font data, and outputs a smaller WOFF2 or TTF file. Subsetting can reduce a font file by 80-95% for sites using only Latin characters — always subset before serving fonts on the web for maximum performance. Font Subsetter runs free in your browser at abovetool.com — no signup required.
How to use
- Pick colors or fill the generator/reference fields for this design utility.
- Click Run (many tools also update live as you type).
- Copy CSS/values or download PNG/QR/OG assets — processing stays in your browser.
Features
- Color converters, contrast, harmonies, gradients, and references
- Generators for QR, OG images, favicons, ASCII, and swatch cards
- Live previews with copy-ready CSS and HEX values
- Dedicated picker and gradient library keep their own UIs
Frequently asked questions
Is Font Subsetter free on AboveTool?
Yes. Font Subsetter is free to use on abovetool.com with no account required.
Are my files uploaded to a server?
Most tools on AboveTool process files locally in your browser. Your content stays on your device.
Who is this Design & Creative tool for?
Anyone who needs quick Font Tools tasks without installing desktop software — students, developers, designers, and office teams.