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JSON Formatter

callumlocke.com
Featured
4.5(

1.9K ratings

)
ExtensionDeveloper Tools2,000,000 users
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Overview

Makes JSON easy to read and explore

Automatically prettifies any JSON response opened in a browser tab. FEATURES: - **Fast**, even on very long JSON pages - Dark mode support - Syntax highlighting - Code folding and indent guides - Clickable URLs - Raw/Parsed toggler JSON Formatter is proud to support Code.org, a nonprofit that supports our mission to help everyone become better coders. We invite you to help our mission when you are shopping at partner stores, at no cost to you. Support is always optional, and can be permanently disabled at any time. We may get paid commissions from companies and/or affiliate programs on sites visited and/or products purchased while using this browser extension. These commissions/affiliate-payments become the donations that go to your selected charity.

Details

  • Version
    0.10.0
  • Updated
    February 26, 2026
  • Size
    77.04KiB
  • Languages
    English
  • Developer
    Callum Locke
    36 Addington Grove London SE26 4JX GB
    Website
    Email
    callum.locke@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.

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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