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