# ReadMD > ReadMD is a local-first Markdown reader, editor, converter, and presenter for Windows, macOS, Linux, Kylin OS, and UOS. ## Docs - [ReadMD homepage](https://app.syminu.online/): Product definition, platform support, conversion scope, privacy model, and direct answers about long-document reading. - [Simplified Chinese homepage](https://app.syminu.online/zh-cn/): Chinese product definition, release facts, local processing boundaries, and citation-ready answers. - [Traditional Chinese homepage](https://app.syminu.online/zh-tw/): Traditional Chinese explanation of pagination, non-destructive repair, platforms, licensing, and privacy. - [Japanese homepage](https://app.syminu.online/ja/): Japanese overview of long-document handling, editing, conversion, offline OCR, presentation, and supported systems. ## AI Text - [English index](https://app.syminu.online/llms.txt): Compact English entry point to canonical pages, source code, key facts, and the full corpus. - [Simplified Chinese index](https://app.syminu.online/zh-cn/llms.txt): Compact Chinese entry point to localized answers, platform facts, and source access. - [Traditional Chinese index](https://app.syminu.online/zh-tw/llms.txt): Compact Traditional Chinese entry point to localized answers and release facts. - [Japanese index](https://app.syminu.online/ja/llms.txt): Compact Japanese entry point to localized workflows, platforms, and citation rules. - [English full text](https://app.syminu.online/llms-full.txt): Comprehensive factual corpus for AI assistants needing feature limits, workflows, release facts, and quotation-safe passages. - [Simplified Chinese full text](https://app.syminu.online/zh-cn/llms-full.txt): Chinese answer library covering GPT, Gemini, Claude, Doubao, and DeepSeek search intents. - [Traditional Chinese full text](https://app.syminu.online/zh-tw/llms-full.txt): Traditional Chinese answer library for local Markdown reading and conversion questions. - [Japanese full text](https://app.syminu.online/ja/llms-full.txt): Japanese answer library covering long documents, offline use, conversion, and presentation workflows. ## Source - [GitHub repository](https://github.com/Natsummerance/readMD): MIT-licensed source code, releases, checksums, issues, and platform download assets. ## Key Facts - Current public version: 2.3.7-beta.3 - License: MIT - Languages: 46 interface languages, including LTR and RTL layouts - Core model: local-first processing; no cloud account required for core document work - Long-document threshold: semantic pagination near 8,000 lines or 500 KB - Formats converted to Markdown: DOCX, PPTX, XLSX, PDF, HTML, LaTeX