Free tools

Free tools for HTML and Markdown

View the documents that you and your agents write. The tools run in your browser. When you want to send the result to someone, select Get a link.

  • Runs in your browser
  • No account
  • Get a link when you want one

View and preview

HTML viewerSee an HTML file as a page at phone, tablet and desktop widths.Markdown viewerRead a .md file as a formatted document, with tables and code.Mermaid viewerDraw a Mermaid diagram from its code and save it as SVG.

Convert

CSV to HTML tableTurn CSV or TSV into a clean HTML table that you can sort and filter.HTML to MarkdownTurn an HTML page into clean Markdown for an agent or a repository.Markdown to PDFSave a .md file as a PDF, with tables and code blocks.

Check before you share

AGENTS.md checkerCheck an AGENTS.md or CLAUDE.md file for missing commands, broken links and secrets.Diff checkerCompare two versions of a text and see the changed lines and words.HTML share checkFind missing files, local URLs and likely API keys before you send an HTML file.MCP config validatorCheck an MCP config for Claude, Cursor, VS Code or Codex for errors and exposed keys.

Write and format

ChatGPT output formatterClean up a ChatGPT reply and read it with tables and code.Markdown table generatorMake a Markdown table from a grid, CSV or spreadsheet cells.

Let your agent publish the next one

Connect Cursor, Codex, Claude Code or any other agent. It publishes HTML and Markdown to a URL, and you choose who can open it.

Create a free accountNo card required
Claude
Cursor
Codex
HTML or Markdown in
Live private URL