Custom Glyph Font Subsetter
Use Custom Glyph Font Subsetter on AboveTool for color, gradient, QR, OG image, and design utilities — private browser tools, no signup.
Custom Glyph Font Subsetter
used to create a hyper-targeted font subset containing only specific custom glyphs or characters you define, for maximum file size reduction
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.
for icon fonts, list only the exact Unicode points your project uses — a custom-glyph subset of an icon font can be 95%+ smaller than the full font file
About Custom Glyph Font Subsetter
Custom Glyph Font Subsetter is used to create a hyper-targeted font subset containing only specific custom glyphs or characters you define, for maximum file size reduction. It takes an exact list of Unicode code points or characters and strips the font down to only those glyphs plus essential font metadata. For icon fonts, list only the exact Unicode points your project uses — a custom-glyph subset of an icon font can be 95%+ smaller than the full font file. Custom Glyph 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 Custom Glyph Font Subsetter free on AboveTool?
Yes. Custom Glyph 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.