JSON Formatter Pro

Auto-format and validate JSON & API responses instantly. Syntax highlighting, tree view, dark mode. Data never leaves your browser.

As of June 2026, JSON Formatter Pro has 3,000 users and a 4.79/5 rating from 28 reviews in the Developer Tools category.

Usersup 1198.7 percent+1198.7%
3.0K
3,000
Ratingno change0%
4.79
28 reviews
Reviewsno change0%
28
Version
1.0.4
Manifest V3
90-day change · In the last 90 days this extension gained 2.8K users.

History

11 snapshots

Tracking since Apr 1, 2026.

9.7K4.6K-470.52000000000044Apr 1, 2026Jun 10, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20262314.79281.0.4
Apr 16, 20262914.79281.0.4
Apr 22, 20269.0K4.79281.0.4
Apr 27, 20268.0K4.79281.0.4
May 2, 20265.0K4.79281.0.4
May 7, 20266.0K4.79281.0.4
May 11, 20267.0K4.79281.0.4
May 18, 20264.0K4.79281.0.4
May 23, 20263.0K4.79281.0.4
May 28, 20262.0K4.79281.0.4
Jun 2, 20264.0K4.79281.0.4
Now3.0K4.79281.0.4

Permissions & access

Permissions
storageclipboardWriteclipboardReadactiveTabcontextMenusscriptingalarms
Host access
None declared

Screenshots

JSON Formatter Pro screenshot 1JSON Formatter Pro screenshot 2JSON Formatter Pro screenshot 3JSON Formatter Pro screenshot 4JSON Formatter Pro screenshot 5

About

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.
Minify - Compress JSON payloads for APIs and config files. One-click production-ready output.
Auto-Paste - Detects JSON in clipboard when you open the extension. Zero friction workflow.
Convert (Pro) - JSON to YAML for Kubernetes/Docker. JSON to CSV for Excel/Sheets. JSON diff. Schema validation.
100% Local - All processing on your device. API keys, tokens, credentials never touch a server.

BUILT FOR

Frontend devs debugging REST API & GraphQL responses
Backend engineers validating JSON payloads
DevOps/SRE teams editing Kubernetes, Terraform, Docker configs
Data analysts exploring JSON datasets
QA engineers validating API schemas
Anyone using Postman, cURL, DevTools, or log files

HOW IT WORKS

1. Copy JSON from any source
2. Click JSON Formatter Pro icon - auto-pastes from clipboard
3. Click Format - instant beautification with syntax highlighting
4. Switch to Tree View to explore nested objects

Shortcuts: Ctrl+Shift+F (Cmd+Shift+F Mac) to format

PRIVACY: All local. No servers. No analytics. No tracking. No account. Unlike jsonformatter.org or jsonlint.com, your sensitive data stays on your device.
https://zovo.one/privacy/json-formatter-pro

FREE: Format, beautify, minify, validate, tree view, copy, download
PRO: YAML conversion, CSV export, JSON diff, schema validation

Built by Zovo - Developer tools crafted by developers.
https://zovo.one | [email protected]

Technical

Version
1.0.4
Manifest
V3
Size
738KiB
Min Chrome
102
Languages
54
Featured
No

Metadata

ID
gbnadjkeegkhbcoeaeaoedpojlcknnhp
Developer ID
ucc0beed51ffd1b2f9981b4ad189db201
Developer Email
[email protected]
Created
Jan 26, 2026
Last Updated (Store)
Mar 2, 2026
Last Scraped
Jun 10, 2026
Support URL

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Data sourced from the Chrome Web Store · last verified Jun 10, 2026.