Best JSON Editor Alternatives in 2026

JSON Editor is a strong option, but it is not the right fit for everyone. Below are 0 alternatives compared on rating, install base, pricing and the use case each one actually wins on.

About JSON Editor

Open web pages with JSON content or JSON files to view, edit, format, repair, query, transform, and validate JSON directly on the browser. Features: * View JSON as a tree. The JSON tree view utilizes right-click to open the context menu, and double-click to start editing a key or value. It supports copy/paste from and to the system clipboard. * View JSON as formatted text. * View JSON as a table, for top-level arrays or nested arrays. * Search and replace * Undo and redo actions * Edit the JSON keys, and values, copy, paste, duplicate, insert, or remove * JSON formatting and minifying * Query JSON with plain JavaScript or using the built-in form * Sort, filter, and transform JSON * Handle large JSON documents up to 512 MB It uses the powerful https://github.com/josdejong/svelte-jsoneditor/ and the Manifest V3 for enhanced security, privacy, and performance. Make sure to disable any other JSON viewing built-in into the browser or other JSON viewer extensions.

3.6~2K+ users
Free
Full review

Comparison at a glance

ExtensionRatingUsersPricingBest for
JSON Editor (original)3.62K+FreeA tool to view, edit, format, repair, query, transform, and validate JSON

JSON Editor alternatives in detail

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Direct comparisons with the extensions people weigh against it.

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Frequently asked questions

What is the best alternative to JSON Editor?

Browse the directory category for comparable options.

Is there a free alternative to JSON Editor?

Most options in this category are freemium, with a usable free tier for evaluation.