# tfLink > Free temporary file sharing service with 100MB file support, global CDN acceleration, QR code sharing, and API/CLI access built on Cloudflare Workers tfLink is a professional temporary file sharing platform designed for developers, designers, and regular users. The service provides fast, secure, and privacy-focused file transfer capabilities with automatic cleanup features. ## Core Features - [Upload Interface](https://tmpfile.link/): Drag-and-drop web interface with clipboard paste support - [API Documentation](https://tmpfile.link/#api-documentation): RESTful API for programmatic file uploads with authentication support - [CLI Examples](https://tmpfile.link/#command-line-upload-cli): Command-line tools for Linux/macOS/Windows with curl and PowerShell examples - [QR Code Sharing](https://tmpfile.link/#qr-code-feature): Generate QR codes for easy mobile downloads and cross-device sharing ## Technical Specifications - **File Size Limit**: 100MB per file - **Storage Duration**: Anonymous uploads auto-deleted after 7 days, authenticated uploads stored longer - **Supported Formats**: All file types (images, documents, videos, audio, archives, etc.) - **Infrastructure**: Built on Cloudflare Workers with R2 storage and KV for authentication - **Global CDN**: Worldwide edge acceleration via Cloudflare network - **Download Domain**: d.tmpfile.link for optimized file delivery - **Privacy**: Zero personal data collection, no cookies, no tracking ## Multilingual Support (16 Languages) tfLink supports a global audience with interfaces in 16 languages: - [English](https://tmpfile.link/) - Global - [中文 (Chinese)](https://tmpfile.link/index-zh) - China, Singapore - [Français (French)](https://tmpfile.link/index-fr) - France, Africa - [Deutsch (German)](https://tmpfile.link/index-de) - Germany, Austria, Switzerland - [Italiano (Italian)](https://tmpfile.link/index-it) - Italy - [Português (Portuguese)](https://tmpfile.link/index-pt) - Brazil, Portugal - [Español (Spanish)](https://tmpfile.link/index-es) - Spain, Latin America - [Русский (Russian)](https://tmpfile.link/index-ru) - Russia, Eastern Europe - [Polski (Polish)](https://tmpfile.link/index-pl) - Poland - [Türkçe (Turkish)](https://tmpfile.link/index-tr) - Turkey - [日本語 (Japanese)](https://tmpfile.link/index-ja) - Japan - [한국어 (Korean)](https://tmpfile.link/index-ko) - South Korea - [ไทย (Thai)](https://tmpfile.link/index-th) - Thailand - [Tiếng Việt (Vietnamese)](https://tmpfile.link/index-vi) - Vietnam - [Indonesia (Indonesian)](https://tmpfile.link/index-id) - Indonesia - [हिंदी (Hindi)](https://tmpfile.link/index-hi) - India ## Legal & Information Pages - [Terms of Service](https://tmpfile.link/terms): Service terms, user responsibilities, and DMCA policy - [Privacy Policy](https://tmpfile.link/privacy): Data handling, privacy practices, and GDPR/CCPA compliance - [About tfLink](https://tmpfile.link/about): Project mission, technology stack, and open-source information ## API Reference - **Upload Endpoint**: `POST /api/upload` with multipart/form-data - **Authentication**: Optional X-User-Id and X-Auth-Token headers for persistent storage - **Response Format**: JSON with downloadLink, fileName, size, type, and uploadedTo information - **File Paths**: `public/{date}/{uuid}/{filename}` for anonymous, `users/{userId}/{date}/{uuid}/{filename}` for authenticated ## Use Cases - **Document Sharing**: Quick sharing of PDFs, presentations, and text files - **Image Transfer**: Photo sharing between devices with QR code support - **Temporary Backup**: Short-term storage for files during transfers - **Developer Tools**: CLI integration for build processes and automation scripts - **Cross-Device Transfer**: QR code feature for instant mobile access - **Remote Development**: Share screenshots and files during SSH sessions with AI assistants ## Developer Tools & Integrations We provide official tools and packages to make tfLink integration seamless: ### Python CLI - **Package**: `tflink` on [PyPI](https://pypi.org/project/tflink/) - **Installation**: `pip install tflink` - **Usage**: `tflink upload file.pdf` - **Purpose**: Command-line tool for uploading files directly from terminal or automation scripts - **Perfect for**: CI/CD pipelines, backup workflows, quick file sharing from command line ### MCP Server (Model Context Protocol) - **Package**: `temp-file-share-mcp` on [NPM](https://www.npmjs.com/package/temp-file-share-mcp) - **Installation**: `npm install temp-file-share-mcp` - **Purpose**: MCP server enabling AI assistants (Claude Desktop, Cherry Studio) to upload and share files - **Perfect for**: AI-assisted workflows, remote development, sharing screenshots with AI assistants, Claude Code integration ## Blog & Resources - [Blog Homepage](https://tmpfile.link/blog/): Technical guides, case studies, and tutorials for advanced usage - [MCP Integration](https://tmpfile.link/temp-file-share-mcp): Model Context Protocol integration guide for AI assistants like Claude Desktop and Cherry Studio ## Recent Blog Articles ### Latest Guides (November 2025) - [Python Automated File Upload Guide: Best Practices for Integration](https://tmpfile.link/blog/python-automated-file-upload-guide): Comprehensive Python integration guide with requests library, error handling, authentication, and automation best practices for building reliable file upload workflows ### Developer Workflow Guides (October 2025) - [Streamlining Remote Development: Using tfLink with Claude Code in SSH Sessions](https://tmpfile.link/blog/claude-code-ssh-remote-development): Practical guide for efficiently sharing images and files with Claude Code during remote SSH development sessions, eliminating workflow interruptions ### Core Feature Guides (September 2025) - [Free Temporary File Upload: Easiest Way to Share Files Without Signup](https://tmpfile.link/blog/free-temporary-file-upload-no-signup): Complete guide to 100MB free temporary uploads with global CDN, QR sharing, and API/CLI support for quick collaborations - [One-Time File Upload Links: Secure Sharing that Auto-Expires](https://tmpfile.link/blog/one-time-file-upload-links-secure-sharing): Implementation guide for secure one-time file sharing with automatic expiration, security best practices, and compliance considerations - [Temporary File Upload vs Permanent Cloud Storage: Which Should You Choose?](https://tmpfile.link/blog/temporary-file-upload-vs-permanent-cloud-storage): Comprehensive comparison covering cost, security, compliance, and hybrid approaches for optimal file management strategy ### Technical Deep Dives - [How to Generate Temporary Download Links and Upload Files with Direct Links](https://tmpfile.link/blog/mastering-temporary-file-upload-download-links): Complete guide to using tfLink for creating temporary download links, upload files with temporary links, and direct file sharing - [How to Create Temporary Download Links: Complete Guide](https://tmpfile.link/blog/temporary-download-link-guide): Best practices for generating secure temporary download links - [Upload Files and Generate Temporary Links - Best Practices](https://tmpfile.link/blog/upload-file-temporary-link-best-practices): Comprehensive guide on API usage and CLI tools - [Temporary File Upload Direct Links: Security & Implementation](https://tmpfile.link/blog/temporary-file-upload-direct-link-security): Deep dive into secure temporary file upload systems - [Tmp File Upload vs Traditional File Hosting: When to Choose What](https://tmpfile.link/blog/tmp-file-upload-vs-traditional-hosting): Comparison guide for different hosting approaches - [Building Temporary File Hosting Service: Technical Architecture](https://tmpfile.link/blog/temporary-file-hosting-service-architecture): Technical architecture and implementation details - [tfLink API Integration Guide for Temporary File Uploads](https://tmpfile.link/blog/api-temporary-upload-guide): Complete API integration guide with code examples - [API Integration Guide for Temporary File Uploads](https://tmpfile.link/blog/api-temp-backup): Comprehensive developer guide for API integration ### Success Stories - [How IT Service Provider Boosted Efficiency 300% with Temporary File Sharing](https://tmpfile.link/blog/it-service-provider-efficiency-case-study): Case study showing how IT teams streamlined server maintenance workflows - [Creative Designer Cuts Client Review Time by 80% with Instant File Sharing](https://tmpfile.link/blog/creative-designer-workflow-transformation): Success story of improving client collaboration workflows ## Open Source - **GitHub Repository**: [tflink-tmpfile/tflink](https://github.com/tflink-tmpfile/tflink) - **License**: Open source project, contributions welcome - **Technology Stack**: Cloudflare Workers, R2 Object Storage, KV Store, TypeScript ## Contact - **Email**: tflink@tmpfile.link - **Website**: https://tmpfile.link - **GitHub**: https://github.com/tflink-tmpfile/tflink