Help Center
Step-by-step fixes for the things we make. Written by humans, for humans.
Install Markdown Editor & Write Your First Note
Add Markdown Editor to Chrome, Edge, or Firefox free, or get the $5 Mac, iPad & iPhone app, and write your first document in under a minute.
Read guideDocuments, Saving & Backups in Markdown Editor
Where your documents live, how auto-save works, and how to download .md files or back up everything as a .zip.
Read guideFormatting Toolbar & Keyboard Shortcuts
Bold, italic, links, lists, and quotes with one click, plus every keyboard shortcut including find & replace.
Read guideTemplates & Version History
Start from a README or meeting-notes template, and restore any earlier version of a document from automatic snapshots.
Read guideMath Equations & Mermaid Diagrams
Turn on KaTeX math and Mermaid diagrams in Settings and render equations and flowcharts right in the preview.
Read guideExport, Print & Share to AI
Download .md files, export themed HTML, print to PDF, back up everything as a .zip, or send a document to ChatGPT, Claude, or Perplexity.
Read guideThemes & the Chaos Zone
Switch between eight color themes, and meet the optional toys: the pet cat, Matrix rain, typewriter sounds, and more.
Read guideFix Common Markdown Editor Problems
Document won't save, import fails, preview looks wrong, or a feature seems missing? The quick fixes for the usual suspects.
Read guideRecovering Lost Notes in Markdown Editor
Documents list empty? They're usually still there. Eight steps to check extension storage, pull them out, and stop it happening again.
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Still stuck?
If none of the guides solve it, send us the details. A real human replies, usually within a day or two.