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PaperZero

Markdown to PDF

Paste or import Markdown and export a locally paginated PDF with headings, emphasis, lists, code blocks, quotes, tables, links, data images, and explicit page breaks. Choose a clean, academic, technical, or minimal theme while reviewing the safe structural preview.

  • Processed locally in your browser
  • No watermark
  • No sign-up
  • Works offline

Choose a Markdown file or drop it here

MD · Markdown · TXT · maximum 20 MB

Safe structural preview · first 80 blocks

Local Markdown to PDF

Edit this content or import a .md file.

  • Runs entirely in your browser
  • Supports tables, code, lists, quotes, and page breaks
No upload is performed.

Compatibility report

PaperZero reports what this browser-local renderer can reproduce; it does not claim pixel-perfect source pagination.

Preserved

  • headings
  • paragraphs
  • emphasis
  • lists
  • code blocks
  • blockquotes
  • tables
  • links
  • page breaks

Approximated

  • widow/orphan control
  • link annotations
PDF layout

Conversion runs in PaperZero’s PDF worker. Scripts, macros, frames, and external resource loading are never executed.

How it works

  1. 1Paste Markdown or import an MD/TXT file using UTF-8 or the disclosed fallback decoder.
  2. 2Review the safe structural preview and compatibility report.
  3. 3Choose page size, orientation, margins, typography, and theme.
  4. 4The shared worker paginator builds and validates the PDF locally.

Your privacy

This tool runs entirely inside your browser using JavaScript and Web Workers. Your document is never uploaded to any server — you can even disconnect from the internet and keep working once the page has loaded.

Frequently asked questions

▸Does Markdown HTML execute?

No. Markdown is tokenized directly, not injected into the page. Raw HTML is omitted except for an explicit page-break marker.

▸Are external images downloaded?

No. Initial support embeds PNG/JPEG data images only; remote image URLs are represented or omitted with a compatibility warning.

▸Will code and tables span pages?

Yes, within the shared paginator's browser-safe layout rules. Very wide tables may be scaled or sectioned rather than made unreadably small.

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