JSON Formatter Pro
Auto-format and validate JSON & API responses instantly. Syntax highlighting, tree view, dark mode. Data never leaves your browser.
Upgrade to view the full paid extension report
Public basics remain visible. Paid access adds payment clues, related extensions, and more review detail.
JSON Formatter Pro Media preview
7-day user preview
Free accounts only see a short preview for paid extensions.
User Growth Over Time
7-day rating preview
The rating curve is shortened in preview mode.
30-day rating change
Daily, weekly, and monthly growth
Compare 1-day, 7-day, and 30-day net growth and growth rate.
Version, languages, and crawl freshness
Review publication date, version, supported languages, and crawl timestamps.
Product summary
Review the store description, core capabilities, and common use cases.
JSON Formatter Pro - JSON Viewer, Beautifier, Validator, Tree View & Editor. The most powerful JSON tool for Chrome.
Stop pasting sensitive API responses into online JSON formatters. JSON Formatter Pro runs 100% locally - your data never leaves your browser. No servers, no tracking, no risk.
KEY FEATURES
Format & Beautify - Transform minified JSON into clean, indented, syntax-highlighted code. Customizable 2/4/8 space indent.
Validate & Debug - Pinpoint JSON syntax errors with exact line numbers. Catch missing brackets, trailing commas instantly.
Tree View Explorer - Navigate deeply nested JSON with collapsible, interactive tree. Expand/collapse nodes visually.
Recent review snapshot
Inspect the latest comments and rating distribution.
More reviews require paid access
The rating summary remains visible. Paid access includes more synced review text.
Similar and related extensions
Review related products from the Chrome Web Store detail page.
Related paid products require paid access
Upgrade to compare similar products and adjacent extensions.