What is a JSON Editor?
A JSON editor allows you to modify JSON data easily. Our visual form-based editor presents JSON as editable input fields, so you can change values, add new properties, and delete existing ones without needing to worry about JSON syntax like brackets, quotes, or commas.
100% Private: All editing happens in your browser. Your JSON data never leaves your device.
Visual Form Editor Example
Features
No Coding Required
Edit JSON through simple input fields. No need to understand JSON syntax.
Add & Delete
Easily add new properties or remove existing ones with button clicks.
Real-time Sync
Changes immediately reflect in the JSON output. See results as you type.
Type-Aware
The editor recognizes strings, numbers, booleans, and null values automatically.
When to Use the JSON Editor
- Configuration files: Quickly modify config without risking syntax errors.
- API testing: Build request bodies for testing without manual JSON writing.
- Non-developers: Allow team members to edit JSON without technical knowledge.
- Quick edits: Change a few values without opening a code editor.
- Learning: Understand JSON structure by seeing how form changes affect the output.
Frequently Asked Questions
A JSON editor is a tool that allows you to modify JSON data. Our visual JSON editor provides a form-based interface where you can edit values, add new properties, and delete existing ones without needing to write raw JSON syntax.
Yes! Our form-based editor presents JSON as editable input fields. Simply click on a value to change it, use the + button to add new properties, or the trash icon to delete. No JSON syntax knowledge required.
Changes are synced to the text editor in real-time. The tool also auto-saves your work to browser local storage, so you won't lose your edits if you accidentally close the tab.