Top CONVERSION GitHub Repositories & Tools (2026)

Library for conversion between Traditional and Simplified Chinese

Any file → clean Markdown for AI agents: PDF, Word, PowerPoint, Excel, EPUB, HTML and web pages, images (OCR), audio and video (metadata, subtitles, transcripts). A fast Rust MCP server and CLI that runs on your machine. No API key.

MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.

Compiles Python to Rust, helping transition off of Python to Energy Efficient and Safe Rust Code

EngineeringPaper.xyz is a web app that makes it easy to create, save, and share engineering calculations.

MIT-licensed PowerShell document automation for Word, Excel, PowerPoint, PDF, email, PST/OST, OneNote, Visio, OpenDocument, and mixed-format Reader workflows.

Teach your AI coding agent to run Meta ads: API setup, programmatic campaigns, browser control, and conversion tracking that's actually proven to work.

A universal converter for singing voice projects which is cross-platform and multi-lingual