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 | |
|---|---|
| jq | Lightweight and flexible command-line JSON processor. It's like sed for JSON data |
| fx | JavaScript Object Notation (JSON) viewer with streaming and mouse support |
| jaq | jq clone focused on correctness, speed, and simplicity. |
| gron | Transforms JSON into discrete assignments to make it easier to grep |
| gojq | Pure Go implementation of jq |
| jless | Command-line JSON viewer written in Rust |
| jnv | Navigates JSON offering a viewer and filter editor |
| jid | JSON incremental digger by using filtering queries |
| jo | Small utility to create JSON objects |
| faq | Billed as a more flexible jq supporting additional formats |
| jsawk | Like awk, but for JSON |
| jello | Filter JSON and JSON Lines data with Python syntax |
| emuto | Small language for manipulating and restructuring JSON and other data files |
| jqp | TUI playground to experiment with jq |
| jtc | Extract, manipulate and transform source JSON |
| unqery | Query and transform JSON data |
| jshon | Parses, reads and creates JSON. It's designed to be as usable as possible |
Read our verdict in the software roundup.
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