svelte-jsoneditor is a web-based tool to view, edit, format, transform, and validate JSON.
This is free and open source software.
Key Features
- View and edit JSON.
- Has a low level text editor and high level tree view and table view.
- Format (beautify) and compact JSON.
- Sort, query, filter, and transform JSON.
- Repair JSON.
- JSON schema validation and pluggable custom validation.
- Color highlighting, undo/redo, search and replace.
- Utilities like a color picker and timestamp tag.
- Handles large JSON documents up to 512 MB.
Website: github.com/josdejong/svelte-jsoneditor
Support:
Developer: Jos de Jong
License: ISC License

svelte-jsoneditor is written in TypeScript. Learn TypeScript with our recommended free books and free tutorials.
Related Software
| JSON Tools | |
|---|---|
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| svelte-jsoneditor | View, edit, format, transform, and validate JSON |
| qo | Query JSON, CSV, and TSV files using SQL |
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| Twig | Terminal JSON viewer and YAML viewer |
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| pyfx | Python-native TUI JSON viewer |
| kirill | JSON validator |
| jshon | Parses, reads and creates JSON. It's designed to be as usable as possible |
| jsawk | Like awk, but for JSON |
| jqp | TUI playground to experiment with jq |
Read our verdict in the software roundup.
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