Easily generate cross-browser CSS @font-face code. Convert font files to WOFF/WOFF2 formats and get optimized code snippets for your website design projects.
AI Generation Prompt
Free Online CSS @font-face Generator
A professional-grade, client-side utility designed for web developers to generate valid, cross-browser compatible @font-face CSS blocks. The application provides an intuitive interface for uploading local font files and instantly generating the necessary CSS declarations.
Core Features
- Drag-and-Drop Upload: High-visibility drop zone for TTF and OTF font files.
- Dynamic Configuration: Real-time form to set
font-familyname,font-weight(100-900), andfont-style(normal/italic). - Instant Code Generation: Live-updating CSS output block that reflects changes in configuration immediately.
- Copy-to-Clipboard: One-click utility for copying the generated CSS snippet.
- Browser Compatibility: Generates standard-compliant CSS covering modern web requirements.
- Privacy-First Architecture: No server-side processing; all generation happens locally via browser APIs.
UI/UX Specification
- Aesthetic: Clean, minimalist light-mode design. Use a palette of crisp whites, soft grays (e.g., #F3F4F6), and a primary action color (e.g., #2563EB) for buttons.
- Layout:
- Header: Simple, functional title and short instructional sub-text.
- Main Area: A split-pane design; left side for configuration and file uploads, right side (or bottom on mobile) for the generated code snippet.
- Modal System: Use a custom-built modal overlay for any necessary notifications (e.g., "Copied to clipboard!"), avoiding browser-native alerts.
- Typography: Use a modern sans-serif stack (Inter or System UI) for maximum readability.
Technical Implementation Directives
- Single File: All HTML, CSS, and JavaScript must reside in one file.
- No Storage: ABSOLUTELY NO use of
localStorage,sessionStorage, or cookies. Use strictly in-memory state variables. - Responsive: Use Tailwind CSS (via CDN) to ensure the interface wraps gracefully from desktop to mobile screens.
- Icons: Use Lucide Icons (via CDN) for a polished, professional look.
- Sandboxing: Code must be fully compatible with a null-origin iframe environment.
- Animations: Implement subtle CSS transitions (200ms ease-in-out) for all interactive states (hover, focus, click).
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Frequently Asked Questions
Everything you need to know about using this application.
How do I use this CSS @font-face generator?
Simply upload your font file (TTF or OTF), configure the font family name and weight settings, and the tool will instantly generate the required CSS syntax.
What font formats does this tool support?
This tool generates code compatible with all modern browsers, specifically focusing on WOFF and WOFF2 formats for optimal performance.
Is it safe to use this tool for commercial projects?
Yes. This application runs entirely within your browser. No files are uploaded to a server, ensuring your font assets remain private and secure.
Does this tool require external storage or cookies?
No. This tool is designed for privacy and does not use cookies, local storage, or server-side databases.



