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JSON Viewer

4.7 (

49 ratings

)

4.7 out of 5

49 ratings

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Iman Sh Jan 6, 2026

Perfect!

1 person found this review to be helpful
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Tom Kisha Dec 5, 2025

Seems to work, even when you don't want it to. For example, visiting namecheap.com. It replaces the entire webpage with JSON Viewer because it found some hidden JSON somewhere on the page. Maybe check the response MIME type first?Developer doesn't seem interested in fixing it.

1 person found this review to be unhelpful
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Marko M Jul 5, 2025

The single best json viewer extension. Works on huge payloads and on streamed responses.

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Peter Mckenna May 21, 2025

When it works it is very nice. However it doesn't always work reliably. I've just opened a clearly JSON formatted file ending with .json in the browser's regular window and it has not been picked up by this extension. It's happened a few times recently.

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Prab Singh Mar 4, 2025

Works beautifully

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Kenta Takahashi Mar 21, 2024

Suddenly degraded. Only "pretty print" function is shown in UI, but others are not.

2 out of 2 found this helpful
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Stelios Giannatos Jan 23, 2024

Just what we needed!!!

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Robert Mylne Sep 14, 2023

Works now in Chrome 117, updating review to 5 stars!

1 person found this review to be helpful
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Ollie Taylor Sep 8, 2023

Does what it says on the tin - when you visit a file, or JSON response it displays a useful JSON debugging UI that's easy to work with.

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V K Feb 8, 2023

Awesome !

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