JSON Editor

6.7easy start · #9 of 29
in JSON Tools

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on self-hosted, Web.

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JSON Editor is ranked #9 of 29 in JSON tools on The Geeks Club. It runs on Self-hosted, Web. There is a free plan.

JSON Editor plans and pricing

All plans

JSON Editor Free MIT-licensed JavaScript library · requires a modern browser github.com · 5 Oct 2026

Compared on JSON tools

Free plan: Yes
Schema validation: Yes
JSONPath querying: No
jq querying: No
Batch processing: No
JSON diff and compare: No
Available platforms: Web

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The record

Purpose: JSON Editor generates an HTML form from a JSON Schema.
Schema support: It supports JSON Schema versions 3 and 4, plus some hyper-schema features.
Validation: The editor provides a validate method that checks the current or supplied value against its schema.
Themes: Supported themes include HTML, Bootstrap 3, 4 and 5, Spectre, Tailwind, and barebones.
Integrations: Optional integrations include JavaScript template engines, CSS frameworks, icon libraries, and editors such as Ace, SimpleMDE, and SCEditor.
Distribution: The library can be installed with npm, loaded from a CDN, or downloaded for local use.
Requirements: The project says it has no dependencies and requires a modern browser; Chrome and Firefox are listed as tested browsers.
External schemas: The editor supports external schema references, with cross-origin requests requiring suitable HTTP headers or supplied references.
Maintenance: The repository says JSON Editor is in maintenance mode, with active development moved to Jedison, while critical bugs and security issues remain in scope.
License: The project is released under the MIT License, which permits use, modification, distribution, and sale subject to its terms.
Security: The README lists DOMPurify as an optional integration for sanitizing HTML used in titles, headers, and descriptions.
Support: The maintainers state that they accept and review community pull requests and address critical bugs and security issues.
Price from: Free

Where it ranks on The Geeks Club

Best JSON Tools in 2026#9 of 29

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Sources

github.com/json-editor/json-editor· checked 5 Oct 2026
github.com/json-editor/json-editor/blob/master/LIC· checked 5 Oct 2026