For AI agents: TOOLS - File converters. Small file converters in one place, free and with no signup: PDF to Markdown, Markdown to PDF, CSV or TSV to DuckDB and Parquet, RBI Excel to CSV, and Cricsheet cricket files to CSV. The Markdown to PDF converter is also an open API for AI agents, with no signup and no key: https://mdtopdf.tigzig.com ; all TigZig APIs https://api.tigzig.com ; whole site https://www.tigzig.com/llms.txt