Detect, format, and validate JSON right from any page instantly.
Users
11
+3 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#186K
#155K among extensions
Version
1.0
updated 12 Jun 2026
Users
monthly, 4 months
Latest, 17 Oct 2026:11 usersMove the mouse over the chart for any month
Ratings count
monthly, 4 months
Latest, 17 Oct 2026:2 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 JSON Scraper & Playground
The Problem: The "Context-Switching" Tax
As a developer, you live in the browser, but you spend half your time fighting it. When you need to inspect an API response or a data-heavy script tag, you are forced into a repetitive, inefficient workflow:
Copy the messy, minified JSON string.
Switch to an external tab (JSONLint, Postman, or a random formatter site).
Paste and wait for the page to load.
Repeat every time you need to check a slightly different value.
This context-switching destroys your "flow state" and forces you to move sensitive API data to third-party servers just to make it readable.
The Solution: JSON Scraper & Playground
JSON Scraper & Playground brings the power of a professional API workbench directly into your toolbar. It keeps you in your IDE or browser tab, turning passive data viewing into an active, productive workspace.
Key Features:
Auto-Detection: Automatically scans the current page for JSON blobs hidden in <pre>, <code>, or <script> tags.
One-Click Formatting: Instantly turn minified, unreadable JSON into clean, pretty-printed code.
Built-in Playground: Don't just view data—test it. Use our side-panel playground to parse, validate, and manipulate JSON without leaving your current page.
Comparison Mode: Highlight differences between two JSON snapshots side-by-side. Perfect for debugging API changes or data-state updates.
Privacy-First: All processing happens locally in your browser. Your data never leaves your machine.
Why Developers Love It
Zero Tab-Switching: Save minutes every hour by staying in your workspace.
Offline-Ready: Works perfectly without needing an internet connection.
Lightweight & Fast: Built for speed—zero bloat, zero background tracking.
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
0.00
30 days
+3
+37.5%
0
0.00
Chrome Web Store search rankings
Where JSON Scraper & Playground appears when people search the store, with the 30 day change