Online JSON Editor

Edits, formats and validates JSON text, with a tree view, in a browser tab.

Artifact by jsoneditor.lovable.app

IndexedLicense unknownDeveloper toolsNo sign-upRuns in your browser

Open tool ↗

Write a review

Use it

Opens jsoneditor.lovable.app in a new tab. Nothing to install.

Open Online JSON Editor

You provide: JSON text
You get: Formatted, validated JSON
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Processed in your browser, not uploaded (stated by the tool or its repo)
Price: Free to use
Made with: AI app builder
Source: Source code not public
Link check: Answered on Oct 31, 2026

About

Online JSON Editor is an app made with an AI app builder in the developer tools category (json editor). It opens in your browser, so there is nothing to install. You provide JSON text and get formatted, validated JSON. Your input is processed on your device and not uploaded. It needs no account. It is a plain tool: no AI model is involved.

Category: Developer tools · json editor

Reviews

Write a review

No reviews yet. Used it? Sign in with an established GitHub account to rate it. How reviews work

More developer tools tools

See all developer tools tools →

Details

Auth: No auth
License: License unknown
Website: jsoneditor.lovable.app/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: artifact-seed

Cite this page

Online JSON Editor: free online. Agent Mart. https://agentmart.dev/artifacts/online-json-editor (last updated 2026-10-31)