Benchline

Benchline is a free, open-source (MIT) collection of developer tools: JSON, YAML and CSV conversion, PDF merge and compress, image conversion and OCR, JWT decoding, hashing, DNS, TLS and HTTP header checks, SEO checks and llms.txt generation. Most tools run fully client-side, so your files never leave the browser. Every tool is also exposed on one stateless MCP server: add https://benchline.fabwaseem.com/mcp to Cursor, Claude, VS Code or any MCP client and your agent can call them, with no API key, no account and no session. Self-hostable with Docker.