Webfont Optimization
Online Font Minifier (TTF, OTF, WOFF)
Reduce font file size, speed up page loading, and improve Core Web Vitals. Upload TTF, OTF, or WOFF files, apply safe compression and optional glyph subsetting, then download an optimized ZIP package.
If subset text is provided, only those characters stay in each optimized font file.
Key features
Browser-based processing
All font optimization happens locally in your browser. No server uploads, no privacy concerns.
Multiple formats supported
Upload TTF, OTF, or WOFF fonts. Export to WOFF or WOFF2 for modern browser support.
Glyph subsetting
Optionally provide a character set (e.g., alphabet + numbers). Only those glyphs stay in the output font.
Compression modes
Choose safe, balanced, or maximum compression. Safe mode preserves all hinting and metadata.
Batch optimization
Optimize 1, 10, or 50 fonts at once. Get a single ZIP archive with all optimized files.
Daily quota for free users
Free plan: 10 fonts per day. PRO and PREMIUM users get unlimited daily optimizations.
What is Font Minifier and why use it?
Font Minifier is a browser-based tool for optimizing TTF, OTF, and WOFF font files. It reduces file size by applying safe compression algorithms and optional glyph subsetting—removing unused characters. This helps improve page load speed, reduce bandwidth usage, and boost Core Web Vitals scores.
Whether you're building a landing page, web app, or multi-language site, loading heavy font files slows down first paint and hurts UX. With Font Minifier, you can keep only the glyphs you actually use, export to modern WOFF2 format, and cut font payload by 50–80% without losing quality.
All processing happens locally in your browser—no uploads to external servers. Upload one or multiple fonts, choose compression mode (safe, balanced, maximum), optionally specify subset text, and download a ready-to-use ZIP package.