JSON Editor

Free Online JSON Editor | Format, Edit & View JSON Easily

Online JSON Editor

The Free Online JSON Editor by WebTooly is a powerful, lightweight tool designed to help you view, edit, format, and beautify JSON data effortlessly. Whether you're a developer, tester, or just someone handling JSON files, our tool ensures a seamless experience without needing to install any software.

Why Use Our JSON Editor?

  • Instant Formatting: Beautify and format your JSON with one click.
  • Error Highlighting: Instantly find and fix syntax issues in your JSON.
  • Easy Editing: Add, remove, or modify JSON keys and values.
  • Live Preview: See formatted output in real time as you edit.
  • Secure and Private: No data is saved or shared — everything runs in your browser.

How to Use the JSON Editor

  1. Paste or upload your JSON data into the editor.
  2. Click the “Format” or “Beautify” button to reformat your JSON.
  3. Use the editor to make changes, validate structure, or copy the result.

Use Cases for JSON Editor

Our online JSON Editor is ideal for:

  • Software Developers managing APIs
  • QA Testers validating and editing test data
  • Students and learners working with JSON in assignments
  • Anyone converting or cleaning raw JSON files

Frequently Asked Questions

What is a JSON Editor?

A JSON Editor is a tool that allows you to view, modify, format, and validate JSON (JavaScript Object Notation) data. It helps in improving readability and fixing errors.

Is it safe to use this JSON Editor?

Yes, your data is completely safe. The tool works locally in your browser and doesn’t transmit or store any data externally.

Can I use this JSON Editor on mobile?

Yes, the editor is fully responsive and works on all modern mobile browsers.

Does this editor support large JSON files?

Yes, but performance may vary depending on the complexity and size of the data. For very large files, a desktop environment is recommended.

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