MarkDone
Converts documents and data formats locally in the browser, including Markdown to PDF, Word to PDF, Excel to PDF, README to PDF, Mermaid to PDF, JSON to TOON, YAML to JSON, JSON to YAML, CSV to JSON, and builds AI context packs.
Launch screenshots from Product Hunt, Jun 2026
A browser-based document conversion hub that converts Markdown, Word, Excel, README, Mermaid, JSON, TOON, YAML, and CSV files to PDF or other formats, and builds AI context packs for LLMs. It targets developers, data professionals, and business users who need private, local file conversion without uploading sensitive documents. The tool runs entirely in the browser, ensuring files never leave the device, and offers a free tier with Pro upgrades for larger files.
Key features
- Markdown to PDF conversion
- Word to PDF conversion
- Excel to PDF conversion
- README to PDF conversion
- Mermaid to PDF conversion
- AI Context Builder for LLMs
- JSON to TOON conversion
- YAML to JSON conversion
- JSON to YAML conversion
- CSV to JSON conversion
- Batch conversion with ZIP download
- 100% local processing
- No account required
- Free tier with Pro upgrades
- No social media activity within the last 30 days
GTM channels
- Blog
- Docs
ICP
- Software developers
- Data analytics teams
- Freelancers solopreneurs