JSON Formatter
Developer Tools
Makes JSON easy to read
Users
2M
Rating
4.3
Reviews
2,085
7D Growth
0|0%
Cooling signalNo paid features detectedLow-risk permissions
JSON Quick Preview
Quickly show formatted JSON in a floating box when selecting JSON text
Users10Current public install base
Rating5.0Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth-1Net users gained this week
7-day growth rate-9.09%Relative weekly velocity
Preview
1 assetsJSON Quick Preview Media preview
Trend
User growth trend
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User Growth Over Time
Rating trend
7-day rating trend
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7-day rating change
Start
5.00
Latest
5.00
7-day rating change
0.00
2026年7月21日2026年7月27日
Growth overview
Daily, weekly, and monthly growth
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1-day growthNo data
----7-day growthDeclining
-1-9.09%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version1.0.3
ManifestV3
Size805KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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JSON Quick Preview – Floating JSON Formatter
Tired of copying JSON into another tool just to read it?
JSON Previewer makes it effortless by showing a floating, formatted JSON box whenever you select valid JSON text on any webpage.
✨ Features
📌 Instant JSON Detection – Automatically detects and formats JSON when you select it.
🎨 Syntax Highlighting – Clear colors for keys, strings, numbers, booleans, and null values.
Reviews
Recent review snapshot
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Store average score5.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average5.0Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews3Chrome Web Store public rating/review count
Store average score: 5.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Great
Recommend good tools for viewing JSON !!!!!
good and helpful extension