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Convert Word, Excel, PowerPoint and PDF files to clean Markdown locally. Private, offline and free forever. Turn your documents into clean, AI-ready Markdown without uploading them to an online converter. Clean Context runs entirely inside your browser using local WebAssembly. Your documents never leave your device, conversion works offline, and no account or API key is required. USE YOUR DOCUMENTS WITH AI Convert documents into structured Markdown that is easier to use with ChatGPT, Claude, Gemini, Perplexity. WHAT IT CONVERTS Microsoft Office and OpenDocument files (text documents, spreadsheets and presentations), text-based PDFs, ebooks, rich-text files and CSV data. FREE FOREVER • Unlimited single-file conversions • Every supported file type • Markdown preview • Copy to clipboard • Save as a .md file • Optional insertion into supported AI chats • No account, API key, quota or watermark CLEAN CONTEXT PRO Support continued development with a one-time purchase and unlock: • Batch conversion of up to 20 files • Merged multi-file Markdown • Standard, Compact, Outline and Tables profiles • Private local conversion history • Keyboard insertion of your latest result • Activation on up to three devices PRIVACY BY DESIGN Source documents are processed locally and are never uploaded or stored. Clean Context includes no analytics or telemetry, and it never sends an AI prompt automatically.
Aug 20, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.