Markdown & JSON Editor icon

Markdown & JSON Editor

by abairagi311@gmail.com · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 19 Oct 2026

Edit Markdown & JSON files in Chrome with live preview, themes, formatting tools, and tree view.

Users
68
+5 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#97K
#81K among extensions
Version
1.1.0
updated 29 Jan 2026

Users

monthly, 9 months
03468Jan 2026Jun 2026Oct 2026
Latest, 19 Oct 2026: 68 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months
001Jan 2026Jun 2026Oct 2026
Latest, 19 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Markdown & JSON Editor

Transform how you work with Markdown and JSON files directly in your browser. No more switching between apps. No more copy-pasting into online tools. Just open any .md or .json file in Chrome and start editing with a beautiful, distraction-free interface. --- MARKDOWN EDITOR Write and preview Markdown side-by-side with instant rendering. Everything you need is right there: - Bold, italic, strikethrough formatting - Headings (H1, H2, H3) with one click - Code blocks with syntax highlighting - Tables, task lists, blockquotes - Links and images with easy insert dialogs - Live word, character, and line count --- JSON EDITOR Finally, a proper way to view and edit JSON files: - Collapsible tree view to navigate complex structures - Real-time validation with helpful error messages - One-click format (prettify) and minify - Syntax-colored editing - Key count and structure stats --- BUILT FOR DEVELOPERS - Three themes: Light, Dark, and Sepia - Keyboard shortcuts for power users (Cmd+B, Cmd+S, Cmd+K, etc.) - Auto-save when you have file permissions - Export to HTML or print to PDF - Works completely offline - Zero data collection - your files stay on your machine --- HOW IT WORKS 1. Install the extension 2. Open any local .md, .markdown, or .json file in Chrome 3. That's it. The editor loads automatically. --- KEYBOARD SHORTCUTS Cmd/Ctrl + S — Save Cmd/Ctrl + B — Bold Cmd/Ctrl + I — Italic Cmd/Ctrl + K — Insert link Cmd/Ctrl + 1/2/3 — Headings Cmd/Ctrl + ` — Inline code --- Perfect for: - Developers viewing config files and API responses - Technical writers drafting documentation - Students taking notes in Markdown - Anyone who works with .md or .json files regularly --- Open source: github.com/ayush3298/markdown-json-editor No ads. No tracking. No account required. Just a fast, beautiful editor that respects your privacy.

Growth

WindowUsersChangeRatingsRating
7 days−4−5.6%00.00
30 days+5+7.9%00.00
6 months+50+277.8%+1+5.00

Version history

1 versions recorded
1.1.029 Jan 2026

Details

Category
Tools
First seen
29 Jan 2026
Size
33 KB
Languages
en
Pricing
Free
Privacy policy
github.com
Extension ID
jbfiaiffgbpfeknmcooaedgjelbekkjh

Permissions and risk

Low riskimpact 1, likelihood 2
Site access
file://*/*.mdfile://*/*.markdownfile://*/*.MDfile://*/*.MARKDOWNfile://*/*.jsonfile://*/*.JSON

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