Data Format Beautifier by mjochum1
Automatically beautifies JSON, JSONL, YAML, and XML files into a human readable format
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Extension Metadata
About this extension
A Firefox extension that beautifies structured data files including
Features include:
Usage
https://github.com/mjochum1/data-format-beautifier-extension
.json, .jsonl, .yaml, and .xml. Features include:
- Syntax highlighting
- Line numbering
- Copy-to-clipboard
- Toggle to interpret
\\n,\\t, etc.
Usage
- Open a
.json,.yaml, or.jsonlfile in Firefox (viafile://) - The extension automatically beautifies and highlights it
- Use the "Copy" button or "Show Raw \n" toggle
- The built in json reader will override this addon unless you go into about:config and disable devtools.jsonview.enabled
https://github.com/mjochum1/data-format-beautifier-extension
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Permissions and dataLearn more
Required permissions:
Optional permissions:
- Access your data for all web sites
More information
- Add-on Links
- Version
- 1.1
- Size
- 24.38 kB
- Last updated
- 19 days ago (9 Oct 2025)
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- Version History
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