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JSON Formatter

ExtensionDeveloper Tools1 user
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Overview

Format, minify, and validate JSON instantly — private, offline, no tabs.

JSON Formatter helps you format, minify, validate, and explore JSON without opening another website. Features: • Pretty-print JSON with 2 or 4 space indent • Minify JSON for compact output • Validate JSON with clear error messages • Collapsible tree view — expand/collapse every {} and [] • Copy result in one click • Paste and auto-format • Right-click selected text → “Format JSON” • Keyboard shortcut: Ctrl+Shift+J (⌘+Shift+J on Mac) Privacy: All formatting happens locally in your browser. Your JSON is not sent to a server. How to use: 1. Click the extension icon to open the side panel 2. Paste JSON into Input 3. Click Format, Minify, or Validate 4. Copy the result when ready Optional: select JSON on any page, right-click, and choose “Format JSON”.

Details

  • Version
    1.0.0
  • Updated
    July 27, 2026
  • Offered by
    BuilderX
  • Size
    15.96KiB
  • Languages
    English
  • Developer
    Email
    rahulkumar665550@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, please open this page on your desktop browser

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