Markdown Viewer Editor

Markdown Viewer Editor — a powerful Markdown editor and viewer for Android. Write notes, documentation, and long-form content with a clean, Typora-inspired workflow: switch between WYSIWYG editing, source mode with line numbers, live preview, or a split view—all in one app.

CORE EDITING

• Rich Markdown editing with a formatting toolbar (headings, lists, tables, code, links, images, and more)

• Four modes: WYSIWYG, Source, Preview, and Split

• Focus mode and typewriter mode for distraction-free writing

• Find & replace with regex support; search across open documents

• Outline panel for quick navigation by headings

MARKDOWN & RICH CONTENT

• Full Markdown support including fenced code blocks with syntax highlighting

• Table of contents via [TOC]

• YAML front matter rendered as metadata

• GitHub-style alerts (NOTE, TIP, WARNING, and more)

• Footnotes, highlights, superscript/subscript

• KaTeX math: inline $...$ and block $$...$$

• Mermaid diagrams (flowcharts, sequence diagrams, Gantt, and more)

• Useful HTML embeds in preview (video, audio, details, and more)

• Copy code blocks to clipboard with one tap

FILES & WORKSPACE

• Open, save, and save-as; multi-tab editing

• Folder tree, flat file list, sorting, and quick open (fuzzy file search)

• Recent files on the welcome screen

• Auto-save with debounce (configurable); draft recovery after crashes

• External file change detection with reload prompts

IMAGES & MEDIA

• Paste images from clipboard; drag-and-drop where supported

• Relative/absolute image paths; configurable image storage folder

• Optional image upload via configurable shell command (e.g., PicGo-style workflows)

EXPORT & IMPORT

• Export to HTML (with GitHub-style styling options), PDF, Word (.docx), LaTeX (.tex), EPUB, and long PNG

• Import Word (.docx) to Markdown (basic conversion)

• Custom export shell templates; save Mermaid renders as PNG

VERSION CONTROL & SYNC

• Git history viewer for the current file

• Optional Git auto-sync on save (commit, pull --rebase, push) with status in the UI

OPTIONAL WRITING ASSISTANT (BYO API)

• Optional panel for compatible HTTP “chat completions” style endpoints—bring your own base URL, model name, and credentials. No built-in vendor; fully user-configured. Streaming responses supported for continue, summarize, translate, polish, explain, and custom prompts.

LOOK & FEEL

• Twelve built-in themes (light and dark), system or manual theme

• Custom preview CSS; adjustable font size and zoom

• Fullscreen; English/Chinese UI in settings

Perfect for developers, students, technical writers, and anyone who wants a serious Markdown app on Android—offline-friendly editing with optional sync and export when you need it.

Keywords users search for: markdown editor, markdown notes, md file editor, technical writing, documentation, KaTeX math, Mermaid diagram, PDF export, EPUB export, split markdown editor, dark mode markdown, git markdown.