Transform any file format instantly with Convertio – the world's most advanced free online file converter. Supporting 500+ formats including videos, audio, images, and documents with complete privacy protection.
- ✅ 500+ Format Support - Convert between all popular formats
- ✅ Next.js 13 App Router - Modern React framework with optimal performance
- ✅ TailwindCSS - Utility-first CSS framework for rapid UI development
- ✅ Shadcn/ui - Beautiful, accessible component library
- ✅ WebAssembly Technology - Lightning-fast local processing
- ✅ FFmpeg Integration - Professional-grade multimedia processing
- ✅ Complete Privacy Protection - Files never leave your device
- ✅ Unlimited Conversions - No file size limits or usage restrictions
- ✅ Cross-Platform Compatibility - Works on all devices and browsers
- MP4, AVI, MOV, WMV, MKV, WEBM, FLV, 3GP
- 4K, HD, and standard definition support
- Social media optimization presets
- MP3, WAV, FLAC, AAC, OGG, WMA, M4A
- Lossless and lossy compression options
- Bitrate customization and quality control
- JPG, PNG, GIF, WEBP, BMP, TIFF, SVG
- Batch processing capabilities
- Compression and optimization tools
- PDF, DOCX, XLSX, PPTX, TXT, RTF
- Layout preservation and formatting integrity
- Cross-platform compatibility
- Frontend: Next.js 13, React 18, TypeScript
- Styling: TailwindCSS, Shadcn/ui components
- Processing: WebAssembly, FFmpeg.wasm
- Performance: Edge optimization, lazy loading
- SEO: Comprehensive meta tags, structured data
- Analytics: Privacy-focused Google Analytics
- ⚡ 10x faster than traditional server-based converters
- 🔒 100% privacy with local processing
- 🚀 Zero latency file uploads (processed locally)
- 💾 Unlimited file size support
- 🌍 Global accessibility with CDN optimization
# Clone the repository
git clone https://github.com/convertio/convertio.git
cd convertio
# Install dependencies
npm install
# Start development server
npm run dev
# Build for production
npm run build
# Start production server
npm start
- ✅ Chrome 80+
- ✅ Firefox 75+
- ✅ Safari 14+
- ✅ Edge 80+
- ✅ Mobile browsers (iOS Safari, Chrome Mobile)
Explore our ecosystem of professional tools:
Convertio is optimized for maximum search engine visibility:
- ✅ Core Web Vitals optimization
- ✅ Structured data markup (JSON-LD)
- ✅ Comprehensive meta tags
- ✅ Semantic HTML structure
- ✅ Mobile-first responsive design
- ✅ Progressive Web App capabilities
- Local Processing: All conversions happen in your browser
- Zero Data Collection: Files never uploaded to external servers
- GDPR Compliant: Privacy-by-design architecture
- SSL Encryption: Secure HTTPS connections
- Memory Protection: Automatic cleanup after conversion
This project is open source and available under the MIT License.
We welcome contributions! Please see our Contributing Guidelines for details.
For support, feature requests, or bug reports:
- 🐛 GitHub Issues
- 💬 Discussions
- 📧 Email: support@convertio.co
Made with ❤️ by the Convertio Team
Transform your digital world with unlimited, secure, and lightning-fast file conversions.