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Recent versions of Firefox (I'm on 67.0.1) have built-in tools to explore JSON.

Here's a screenshot of a JSON file from the React Native docs, viewed in Firefox:

We get syntax highlighting, the ability to save, copy, expand, or collapse the JSON, right in the browser, with no extra plugins or tools required. Another great Firefox feature!

See More #javascript TILs

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Firefox Built-in JSON Tools ⛏