Font Subset Optimizer
Reduce font file sizes by removing unused characters.
This tool is fully functional and ready to use!
Functionality for this tool is implemented via JavaScript and requires no special backend.
About Font Subset Optimizer
Web fonts can be large. This tool allows you to subset your fonts, removing characters and languages you don't need, resulting in significantly smaller file sizes and faster website loading.
Common Use Cases
- ✅ Website performance
- ✅ Localization projects
- ✅ Mobile optimization
- ✅ Bandwidth saving
Why Choose Font Subset Optimizer?
Our font subset optimizer is designed with developers and designers in mind. It offers:
- ⚡ Lightning Fast: No external dependencies, pure client-side processing
- 🔒 Privacy First: Your data never leaves your browser
- 📱 Fully Responsive: Works perfectly on mobile, tablet, and desktop
- 🎨 Beautiful UI: Clean, modern interface with dark mode support
Frequently Asked Questions
Is this tool free to use?
Yes! All tools on DevTools 2026 are completely free to use with no hidden fees, subscriptions, or sign-ups required.
Do I need to credit DevTools 2026?
No attribution is required, but we appreciate links back to our site if you find our tools helpful!
Are Google Fonts free for commercial use?
Yes! All Google Fonts are licensed under the Open Font License (OFL), which allows free use in commercial projects, apps, and print materials.
How do I self-host downloaded fonts?
After downloading the ZIP file, extract it to your website's assets folder and use @font-face in your CSS to reference the WOFF2 files.