Free tools
Small tools that run entirely in your browser: no account, no upload, no tracking. Each one is a free sample of what one of our products does at scale.
Custom GPT Action migration checker
Paste a GPT Action schema and see it as MCP tools before custom GPTs retire on 11 December 2026.
Withdrawal button checker
Is a shop's EU withdrawal function findable within 1 or 2 clicks? Labels in 7 languages. Online check coming soon; the manual check works now.
PDF to Markdown converter
Convert the first 3 pages of a PDF to Markdown in your browser. No upload.
Which ATS does this company use?
Find a company's Greenhouse, Lever, Ashby, Workable, SmartRecruiters, Recruitee or Personio board and its open jobs.
Mermaid live editor
Write Mermaid code and see the diagram as you type. Export SVG, share by link.
OpenAPI to MCP converter
Free OpenAPI to MCP converter: paste an OpenAPI 3.0/3.1 schema (JSON or YAML) or a GPT Action schema, preview the MCP tools and download a Cloudflare Worker or Node.js MCP server.
Last updated 8 November 2026. Questions or corrections: [email protected].