Markdown Viewer Editor

Markdown Viewer Editor is a powerful Markdown editor inspired by Typora. It offers a seamless writing experience across iPhone, iPad, and Mac with four flexible editing modes — WYSIWYG, Source, Preview, and Split View.

FOUR EDITING MODES
• WYSIWYG — Rich-text editing that renders Markdown as you type, just like Typora
• Source Mode — Raw Markdown editing with line numbers and synchronized scrolling
• Live Preview — High-quality rendered preview with full Markdown support
• Split View — Source code and preview side by side for instant feedback

FULL MARKDOWN & BEYOND
• Complete Markdown syntax: headings, lists, tables, code blocks with syntax highlighting, links, images, and more
• KaTeX math equations — inline ($...$) and block ($$...$$) formulas
• Mermaid diagrams — flowcharts, sequence diagrams, Gantt charts
• GitHub Alerts, footnotes, YAML front matter, [TOC] generation
• Highlight (==text==), superscript (^text^), subscript (~text~)
• HTML tags: iframe, video, audio, details, kbd, mark, and more

WRITING FOCUS
• Focus Mode — dims non-active lines so you can concentrate on your writing
• Typewriter Mode — keeps the current line centered on screen
• Full-screen mode for distraction-free writing
• Auto-pairing for brackets, quotes, and Markdown markers

AI-POWERED WRITING ASSISTANT
• Continue writing, summarize, translate, polish, or explain selected text
• Custom prompts for any AI instruction
• Real-time streaming output

POWERFUL FILE MANAGEMENT
• Folder browser with recursive directory tree
• Multi-tab editing — work on several documents at once
• Quick Open (Ctrl+P / Cmd+P) — fuzzy search across your workspace
• Auto-save with 3-second debounce
• Draft recovery after unexpected crashes
• Recent files on the welcome screen

IMAGE HANDLING
• Paste images from clipboard — auto-saved and inserted as Markdown reference
• Drag & drop image insertion
• Configurable image storage directory and path mode (relative / absolute)
• Image upload to image hosting via PicGo or custom shell command

FIND & REPLACE
• Find and replace with regex and case-sensitivity options
• Search across all open documents

EXPORT & IMPORT
• Export to PDF, HTML (GitHub-styled), Word (.docx), LaTeX (.tex), EPUB, and PNG long image
• Import from Word (.docx) to Markdown
• Custom export commands with {input}/{output} placeholders
• Mermaid diagram export to PNG

VERSION CONTROL & CLOUD SYNC
• Git commit history viewer for each file
• Auto Git sync — commit, pull --rebase, and push on save
• Real-time sync status in the status bar
• External file change detection with reload prompt

THEMES & CUSTOMIZATION
• 12 built-in themes — 6 light + 6 dark (GitHub, Dracula, Monokai, Nord, Tokyo Night, and more)
• Dark / Light mode — follow system or toggle manually
• Custom CSS themes for preview styling
• Adjustable font size and zoom level
• Customizable keyboard shortcuts with visual editor

OUTLINE & STATUS BAR
• Document outline panel — auto-extracted heading structure with click-to-navigate
• Status bar — line/column position, word count, character count, line count

PLUGIN SYSTEM
• Shell script preprocessors — configure a plugin directory and run .sh/.py/.js pipelines

LOCALIZATION
• English and more interface — switch in settings