The latest articles on DEV Community by SteamedBread2333 (@galigeigei). https://dev.to/galigeigei https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1564961%2F438c33fd-0eab-4bd1-b9a6-b09c410d5107.png https://dev.to/galigeigei en SteamedBread2333 Tue, 13 Jan 2026 04:50:39 +0000 https://dev.to/galigeigei/local-markdown-editor-with-real-time-preview-and-easy-pdf-export-368f https://dev.to/galigeigei/local-markdown-editor-with-real-time-preview-and-easy-pdf-export-368f <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F1v98hej6v8r66nqmb72t.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F1v98hej6v8r66nqmb72t.png" alt="MarkX Banner" width="800" height="410"></a></p> <p><strong>MarkX</strong> is a local Markdown editor with real-time preview. Edit locally in your browser and export to PDF with one click. Fully responsive design works perfectly on desktop and mobile devices.</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fau6m0qxogfc72q78aykz.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fau6m0qxogfc72q78aykz.png" alt="MarkX Interface" width="800" height="399"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbsm1trxvx6j9eidvos7m.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbsm1trxvx6j9eidvos7m.png" alt="MarkX Mobile" width="786" height="1690"></a></p> <h2> Key Features </h2> <h3> Local Editing &amp; Real-time Preview </h3> <ul> <li>Edit Markdown files locally in your browser</li> <li>Split-pane view: editor on the left, live preview on the right</li> <li>Auto-save drafts every 30 seconds</li> <li>All data stays local—complete privacy</li> </ul> <h3> Easy PDF Export </h3> <p>Export your documents to PDF with three modes:</p> <ul> <li> <strong>Default</strong> - Quick export with natural pagination</li> <li> <strong>Full Page</strong> - Single continuous image for presentations</li> <li> <strong>Smart Pagination</strong> ⭐ - Intelligent page breaks that avoid cutting diagrams, code blocks, and formulas</li> </ul> <p>All PDF exports preserve Mermaid diagrams, ECharts charts, KaTeX formulas, and code syntax highlighting perfectly.</p> <h3> Rich Content Support </h3> <ul> <li> <strong>Mermaid Diagrams</strong> - Flowcharts, sequence diagrams, Gantt charts, class diagrams</li> <li> <strong>ECharts Charts</strong> - Bar, line, pie, scatter charts with full API support</li> <li> <strong>KaTeX Math</strong> - Inline (<code>$...$</code>) and block (<code>$$...$$</code>) formulas</li> <li> <strong>GitHub Flavored Markdown</strong> - Complete GFM support</li> <li> <strong>Code Highlighting</strong> - Syntax highlighting for 20+ languages</li> </ul> <h2> Export to PDF </h2> <p>Exporting to PDF is incredibly simple:</p> <ol> <li>Write your Markdown content with diagrams, charts, or formulas</li> <li>Click the "More" menu (three dots) in the toolbar</li> <li>Select your preferred PDF export mode</li> <li>Download your professional PDF document</li> </ol> <p>The Smart Pagination mode ensures diagrams, code blocks, and math formulas are never cut off across pages—perfect for technical documentation. (Unless the block itself exceeds one page in height.)</p> <h2> Get Started </h2> <p><strong>Try it now</strong>: <a href="https://steamedbread2333.github.io/MarkX" rel="noopener noreferrer">Live Demo</a></p> <p><strong>GitHub Repository</strong>: <a href="https://github.com/steamedbread2333/MarkX" rel="noopener noreferrer">https://github.com/steamedbread2333/MarkX</a></p> <p>Star the repo if you find it useful!</p> <p><em>Open source, MIT licensed. Contributions welcome!</em></p> markdown mermaid echarts katex