Question 1

Which markdown features are supported?

Accepted Answer

GitHub-Flavored Markdown: ATX headings (h1–h6), bold (** or __), italic (* or _), inline code, fenced code blocks with language-based syntax highlighting, unordered/ordered/nested lists, links, images, GFM tables, blockquotes, and horizontal rules. Raw HTML inside the document is escaped by default so the preview is always safe.

Question 2

Does anything get sent to a server?

Accepted Answer

No. The parser, highlighter, and HTML export all run in your browser. There is no upload, no account, and no telemetry. Autosave writes to localStorage on this device only and the shareable URL encodes your content into the fragment hash — it is never transmitted when you copy the link.

Question 3

How does the shareable URL work for a large document?

Accepted Answer

The document is URI-encoded into the fragment hash (#md=...). Because the hash is never sent to the server, this keeps your content private while still letting you bookmark or hand off a link. For very large documents the URL gets long; we cap the encoded payload and fall back to copying the markdown to your clipboard.

Question 4

How is syntax highlighting done for code blocks?

Accepted Answer

We tokenize code by language family (javascript/typescript, python, sql, json, html/xml, css, bash/shell, and a generic fallback). Keywords, strings, comments, numbers, and booleans get distinct CSS classes so the preview looks like a code editor. Highlighting is pure string manipulation — no external library, no network.

Question 5

What extra features does this tool have compared to others?

Accepted Answer

(1) Live split-pane preview as you type. (2) Pure-JS GFM parser covering 10+ block types. (3) Per-language syntax highlighting in fenced code blocks. (4) Word/char/line/reading-time stats. (5) Dark mode for the preview. (6) Autosave to localStorage (last 20 sessions). (7) Copy markdown / download .md / download .html (full standalone HTML document). (8) Shareable URL with content encoded in hash. (9) Sample document loader. (10) Clear/reset button. (11) Front-matter stripping. (12) Inline HTML escaping for safety. 100% client-side — your document never leaves the browser.

Markdown Live Editor & Previewer

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