Markdown Toolset

Privacy-first Markdown editor with live preview, presentation mode, folder browsing, and HTML/PDF/DOCX export. Fully offline.

Markdown Toolset is a full-featured writing and editing tool that runs entirely inside your browser. No servers. No accounts. No data ever leaves your machine. ✨ NEW IN v1.1 — PRESENTATION MODE Turn any Markdown document into a live slide deck. Press F5, use --- to separate slides, and you have a full-screen, distraction-free presentation. No PowerPoint required. 🎬 PRESENTATION MODE • Three view layouts in one click: Split (editor + preview), Preview Only (hide raw Markdown), and Presentation (full-screen immersive) • Press F5 to instantly start presenting — Esc to exit • Any --- (horizontal rule) on its own line splits your document into a new slide • Navigate slides with ← / → / ↑ / ↓ / Space, or click the on-screen prev/next buttons • Slide counter and clickable dot indicator show your progress • Auto-hiding controls — top bar and slide navigator fade away after 3 seconds and return on any mouse movement • Larger, more readable typography automatically applied in presentation mode • Works on any size screen — the preview scales beautifully ✏️ EDITOR • Split-pane editor with instant live preview • Formatting toolbar — H1–H3, bold, italic, strikethrough, inline code, code block, link, image, lists, blockquote, and horizontal rule • Drag & drop .md files directly into the editor • Word and character count • Auto-save to localStorage — your work is never lost • Synchronized scrolling between editor and preview panes 📁 FILE MANAGEMENT • Open individual .md files and save changes back to disk • Open an entire folder — including subfolders — and browse all .md files in the sidebar • Unsaved-changes indicator (●) shows which files have been edited • ⌘S saves directly back to the original file on disk (no download dialog) 📤 EXPORT • HTML — standalone file with embedded GitHub-style CSS, opens in any browser with no internet required • PDF — styled preview opens in a new tab; use your browser's "Save as PDF" option • DOCX — fully structured Word-compatible document with headings, bold, italic, tables, code blocks, lists, and blockquotes — generated entirely in-browser with no external library 📦 BULK EXPORT • Open a folder and export every .md file at once as a ZIP archive of HTML or DOCX files 🎨 DESIGN • Refreshed clean blue accent palette in v1.1 — calmer, more focused • Dark / light theme (toggle with ⌘D) • GitHub-inspired preview typography • Keyboard shortcuts for all major actions 🔒 PRIVACY • Zero network requests — enforced by strict Content Security Policy • No analytics, no telemetry, no external fonts or CDN scripts • All parsing and conversion happens locally using bundled open-source libraries ⌨️ KEYBOARD SHORTCUTS F5 — Toggle presentation mode Esc — Exit presentation ← / → — Previous / next slide (in presentation) Ctrl+1 — Split view Ctrl+2 — Preview only (hide raw Markdown) ⌘S — Save file to disk / download .md ⌘D — Toggle dark / light theme ⌘1 — Go to Editor tab ⌘2 — Go to Export tab ⌘\ — Toggle file sidebar ? — Show all shortcuts