Markdown Viewer - Clean Reader

Markdown Viewer is a local-first Markdown reader. Open `.md` files from Files, iCloud Drive, AirDrop, or the system share sheet and get a clean, comfortable read-only preview instantly. No account required. No file uploads. Works offline. All reading data stays on your current device only. **Open files, start reading** - Open Markdown files from the app, system file picker, share sheet, or "Open With" file associations - Supports `.md`, `.markdown`, `.mdown`, and plain text files - Automatically tracks recently opened documents and reading progress so you can pick up where you left off **A comfortable reading experience** - Full GFM (GitHub Flavored Markdown) support: tables, task lists, blockquotes, code blocks - Renders Mermaid flowcharts and sequence diagrams with touch panning and full-screen view - Math rendering powered by KaTeX - Syntax highlighting for code blocks; some blocks support one-tap export and share - Tap images to enter a full-screen gallery with swipe and zoom **Efficient navigation and annotation** - Auto-generated table of contents from headings; collapsible sidebar navigation on iPad - Full-text search grouped by section with one-tap jump - Select text to add yellow, green, blue, or pink highlights — restored automatically when you reopen - Reading position saved automatically when you close a document **Personalization** - Adjustable font size (70%–200%), line spacing, and paragraph spacing - Five reading themes: horizon, autumn, canvas, twilight, slate - Follow system / light / dark appearance - Four content width options; optional keep-screen-on **Export and share** - Export as PDF (A4 layout) or original Markdown - Send to other apps or save to Files via the system share sheet - Built-in Share Extension — open from Mail, Safari, Files, and more with one tap **Privacy first** - No account, no telemetry, no file uploads - Reading progress, highlights, and recent history stored locally only - One-tap clear all local data without deleting your original files **Markdown Viewer — focused reading, nothing more.**