Project Summary
JSONView is a Firefox extension that helps you view JSON documents in the browser.
Normally when encountering a JSON document (content type "application/json"), Firefox simply prompts you to download the file. With the JSONView extension, JSON documents are shown in the browser similar to how XML documents are shown. The document is formatted, highlighted, and arrays and objects can be collapsed. Even if the JSON document contains errors, JSONView will still show the raw text.
In a Nutshell, JSONView Addon...
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took an estimated 1 years of effort (COCOMO model)
starting with its first commit in February, 2009
ending with its most recent commit 8 months ago
Quick Reference
MIT License
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These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
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30 Day SummaryDec 13 2025 — Jan 12 2026
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12 Month SummaryJan 12 2025 — Jan 12 2026
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