Side by side

JSON Editor vs JSONBuddy

Both stand on json tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

JSON Editor

Free plan Self-hostedWeb

JSON Editor provides schema-based form generation, validation, and a range of themes as a free MIT-licensed library. New active development has moved to Jedison, though critical bugs and security issues remain in scope.

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JSONBuddy

Free plan APIExtensionWindows

JSONBuddy combines visual editing, schema tools, conversions, and automation across its Windows, API, and extension offerings. Check the specific license: some features and commercial use are tied to paid plans.

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The facts

	JSON Editor	JSONBuddy
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Self-hosted, Web	API, Extension, Windows
Lowest paid plan	Free or on request	JSONBuddy Swift: $15, paid once
Plans published	1	6
Maker	Not published	Not published
Website	github.com	json-buddy.com
On json tools	#14 of 29	#10 of 29

JSON Editor: what it does well

Supports JSON Schema versions 3 and 4.
Includes a schema validation method.
Offers HTML, Bootstrap, Spectre, and Tailwind themes.
Can be installed with npm or loaded from a CDN.
Has no dependencies.

What to know first

Project is in maintenance mode.
Requires a modern browser.
Cross-origin schema references need suitable headers or supplied references.

JSONBuddy: what it does well

Text and grid editing with schema-aware completion.
Checks JSON syntax and JSON Schema constraints.
Converts among JSON, CSV, XML, and HTML.
Windows CLI supports scripts and CI checks.
Free personal and educational plan is available.

What to know first

Windows portable package requires Windows 10 or 11, 64-bit.
Streaming JSON Schema validation through -jsv requires a Large Data license.
ValBuddy diagnostics or selected content may reach an AI provider.

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