SSEM Markdown Editor

A markdown reader extension for Chrome.

As of June 2026, SSEM Markdown Editor has 37 users and a 5.00/5 rating from 2 reviews in the Developer Tools category.

Usersup 12.1 percent+12.1%
37
37
Ratingno change0%
5.00
2 reviews
Reviewsup 100.0 percent+100.0%
2
Version
1.0.2
Manifest V3

History

8 snapshots

Tracking since Apr 6, 2026.

49.284030.72Apr 6, 2026Jun 5, 2026
View as table
DateUsersRatingReviewsVersion
Apr 6, 2026335.0011.0.2
Apr 19, 2026485.0011.0.2
Apr 25, 2026405.0011.0.2
May 3, 2026365.0011.0.2
May 9, 2026425.0011.0.2
May 17, 2026395.0011.0.2
May 26, 2026325.0011.0.2
Jun 5, 2026405.0021.0.2
Now375.0021.0.2

Permissions & access

Permissions
activeTabstorage
Host access
*://*/*

Screenshots

SSEM Markdown Editor screenshot 1SSEM Markdown Editor screenshot 2SSEM Markdown Editor screenshot 3SSEM Markdown Editor screenshot 4SSEM Markdown Editor screenshot 5

About

**v1.0.2 Update**
- Fixed Mermaid diagram rendering
- Added quadrantChart, mindmap support

---

SSEM Markdown Editor is a powerful Chrome extension for viewing and editing Markdown documents directly in your browser.

## Features

### View Modes
- **Editor Mode**: Edit Markdown source code with syntax highlighting and line numbers
- **Split Mode**: Side-by-side editor and preview for real-time editing
- **Viewer Mode**: Clean, beautifully rendered Markdown document view

### Editor Features
- Line numbers
- Syntax highlighting
- Real-time preview (in Split mode)
- Download files with Ctrl/Cmd + S

### Document Features
- Supports file://, http://, https:// protocols
- Supports .md, .mkd, .mdx, .markdown extensions
- Rich syntax plugins: emoji, math equations, flowcharts, Gantt charts, checkboxes, and more
- Light/Dark themes with code highlighting
- Auto-refresh on file changes
- Table of Contents (TOC) sidebar

### Keyboard Shortcuts
- Ctrl/Cmd + S: Download file
- Ctrl/Cmd + E: Toggle view mode
- Alt + Shift + B: Toggle sidebar
- Alt + Shift + C: Toggle centered alignment
- Alt + Shift + R: Toggle auto-refresh
- Alt + Shift + T: Toggle theme

Perfect for developers, writers, and anyone who works with Markdown files!

Built by SSEM DEV (https://ssem.ai)
Based on md-reader by Bener (https://github.com/md-reader/md-reader)

Technical

Version
1.0.2
Manifest
V3
Size
2.43MiB
Min Chrome
88
Languages
7
Featured
No

Metadata

ID
ldngppooocgjgpollemajdcalofmdamg
Developer ID
ud8cef3d4801d32cac774f74819c303c5
Developer Email
[email protected]
Created
Feb 6, 2026
Last Updated (Store)
Feb 7, 2026
Last Scraped
Jun 5, 2026
Website
Support URL
https://ssem.ai

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Data sourced from the Chrome Web Store · last verified Jun 5, 2026.