JSON Editor Online

Spec sheet

Purpose

JSON Editor Online is a web-based tool for viewing, editing, formatting, repairing, querying, transforming, and validating JSON.Read 4 Oct 2026 · github.com

Support

The project documentation points users to its GitHub repository for the library and its development resources.Read 4 Oct 2026 · github.com

Editing features

Tree mode supports editing and navigating JSON with keyboard or mouse, including cut, copy, and paste.Read 4 Oct 2026 · github.com

Editing modes

The editor supports tree, text, and table modes.Read 4 Oct 2026 · github.com

Integration

The maker publishes Svelte and vanilla JavaScript editor packages for use in applications.Read 4 Oct 2026 · github.com

Open source

The svelte-jsoneditor library is released under the ISC license.Read 4 Oct 2026 · github.com

Query languages

The editor supports JSON Query, JMESPath, JSONPath, Lodash, and JavaScript query languages.Read 4 Oct 2026 · github.com

Where Specifiction places it

• JSON Tools#29 of 296.0