JSON Formatter

Unknown author · Developer Tools

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

May 5, 2026

Media

1 item

Description

Auto-detect and beautify JSON data with syntax highlighting and collapsible tree view JSON Formatter automatically detects JSON content in your browser and formats it with a beautiful, interactive tree view. Features: - Auto-detect JSON pages and API responses - Syntax highlighting with Catppuccin color theme - Collapsible/expandable tree nodes - Dark and Light theme toggle (persisted) - Line numbers with hover highlighting - JSON path bar - hover to see path, click to copy - URL detection - clickable links in JSON strings - Expand to depth level (L1 / L2 / L3 / All) - One-click copy formatted JSON - Raw/Formatted view toggle - Popup tool for quick JSON formatting - Multilingual support (English / Chinese) Lightweight, fast, no external requests, no data collection. Pure client-side processing.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
14
Description length
Characters in the listing description.
808
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
2
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
29.6

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.