JsonifyTools
    MARKDOWN to PDF · 100% Local · Browser Only

    Markdown to PDF

    Convert Markdown notes, guides, and technical docs into clean PDF output.

    Browser only Live preview

    Document Settings

    ▸ Optional: Report Header & Footer
    Date & time
    Markdown Input
    18 lines
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    PDF Preview
    231 chars

    Document Metrics

    Format
    MARKDOWN
    Characters
    231
    Lines
    18
    Output
    PDF
    GFM Markdown PDF Rendering Standard

    What is the Markdown to PDF Converter?

    Markdown to PDF is a browser-first document converter that turns Markdown files (.md, README.md) into print-ready PDF documents. Supporting GitHub Flavored Markdown (GFM), it automatically generates hyperlinked Tables of Contents, syntax-highlighted code blocks, GFM tables, task lists, and clickable URLs. Featuring editable subtitles (pasted-content), custom timestamps, adjustable margins, and 100% client-side privacy.

    Key Features & Capabilities

    100% Client-Side Privacy

    All Markdown parsing, GFM rendering, and PDF generation run strictly inside your web browser RAM. Sensitive READMEs and code docs are never uploaded.

    Auto Table of Contents

    Markdown heading structures (# H1 to ###### H6) generate an interactive Table of Contents with jump links in the output PDF.

    Syntax Highlighted Code Blocks

    Fenced code snippets (```bash, ```js) are formatted with monospaced JetBrains typography and dark background containers.

    Editable Subtitles & Timestamps

    Replace default header placeholders like pasted-content · date with custom document titles, version numbers, or custom dates.

    GFM Tables & Task Lists

    Full support for Markdown tables (| Header |), task list checkboxes (- [x]), blockquotes (>), images, and clickable URLs.

    Paper & Page Controls

    Choose A4, Letter, or Legal paper sizes in Portrait or Landscape orientations with custom margin controls and browser print export.

    Interactive Markdown Scenario Explorer

    Select a Markdown use case to inspect preview behavior, sample syntax, and render specs:

    Scenario Profile
    README / Docs

    GitHub README & Project Documentation

    Renders headings, GFM task lists, fenced code snippets, and Markdown tables into a polished document with auto-generated bookmarks.

    Format StandardGFM Markdown
    MIME Typetext/markdown
    Markdown Source Code
    # Project README > Generated locally with JsonifyTools Markdown to PDF converter. ## Features - [x] Automatic Table of Contents (# H1..H6) - [x] Syntax highlighted code blocks - [x] GFM tables and task lists - [ ] Editable headers and timestamps ## Installation ```bash npm install npm run build ``` ## System Compatibility Matrix | Format | Status | Privacy | | --- | --- | --- | | README.md | Supported | 100% Client-Side | | Markdown Notes | Supported | Browser Local | https://jsonifytools.com
    Auto TOC: Supported (# H1..H6) Ready to Convert

    How to Convert Markdown to PDF

    01

    Paste or Upload Markdown

    Paste Markdown text or upload .md or README.md files into the editor.

    02

    Configure Headers & Subtitles

    Edit the Header Title, document Subtitle (pasted-content), Timestamp, font, paper size, and margins.

    03

    Export Print-Ready PDF

    Preview the PDF document live in the iframe viewer, then click Print / Save PDF to save it to your device.

    Markdown Syntax & PDF Feature Matrix

    Markdown SyntaxExample UsagePDF Render ResultFeature Highlights
    Headings (# to ######)# Heading 1Title & Auto TOC Jump LinkGenerates hyperlinked Table of Contents automatically.
    GFM Tables| Header | Value |Styled HTML TableAlternate row shading and column auto-fit.
    Fenced Code Blocks```js console.log() ```Dark Code ContainerJetBrains Mono monospaced font with pre-wrap word breaks.
    Task Lists- [x] Done - [ ] PendingCheckbox Symbols (☑ / ☐)Renders interactive task lists cleanly in print layout.
    Blockquotes & Callouts> Important noteBlue Left-Border CalloutAccentuates key documentation warnings and tips.

    Programmatic Markdown to PDF Code Examples

    Automate Markdown-to-PDF rendering in your server or build pipeline:

    // Node.js - Convert Markdown to PDF using md-to-pdf or Puppeteer
const fs = require('fs');
const { mdToPdf } = require('md-to-pdf');

async function convertMarkdownFile(inputPath, outputPath) {
  const pdf = await mdToPdf({ path: inputPath }, {
    pdf_options: {
      format: 'A4',
      margin: { top: '16mm', bottom: '16mm', left: '16mm', right: '16mm' },
      printBackground: true,
    },
    stylesheet_encoding: 'utf-8',
  });

  if (pdf) {
    fs.writeFileSync(outputPath, pdf.content);
    console.log('Markdown successfully converted to PDF:', outputPath);
  }
}

convertMarkdownFile('README.md', 'output_documentation.pdf');

    Browser Client-Side Markdown Converter vs Cloud API Services

    Client-Side Browser Engine (JsonifyTools)

    • •Zero Data Exposure: Markdown documents are processed strictly in local RAM and never leave your web browser.
    • •Instant Live Preview: Real-time iframe preview reflects Markdown edits, headings, and margins immediately.
    • •100% Free & Unlimited: No API rate limits, paywalls, or document page caps.

    Remote Cloud Markdown Conversion APIs

    • •Privacy & Data Risk: Requires uploading confidential READMEs or codebase documentation to remote cloud servers.
    • •Network Latency: Involves round-trip file uploads, remote queueing, and download delays.

    Frequently Asked Questions (FAQs)

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