JSON Formatter
Developer Tools
Makes JSON easy to read
Users
2M
Rating
4.3
Reviews
2,085
7D Growth
0|0%
Stable signalNo paid features detectedHigh-risk permissions
JSON Formatter
Formats JSON automatically! Open Source, Available with 60+ Themes, Syntax Highlighting, automatically linkifies links and more.
Users40KCurrent public install base
Rating4.4Store average score
Reviews44Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsJSON Formatter Media preview
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7-day rating change
Start
4.41
Latest
4.41
7-day rating change
0.00
2026年7月13日2026年7月19日
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VersionVersion 2.1.14 Beta
ManifestV3
Size105KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
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JSON Formatter automatically formats and prettifies JSON in Chrome. It comes with support for syntax highlighting and over 60 themes. It also makes links clickable automatically and has multiple modes to view JSON, including Parsed Mode, Formatted Raw Mode, and Raw Mode.
You can toggle between modes using shortcut keys:
Parsed Mode: P key
Formatted Raw Mode: Shift + R key
Raw Mode: R key
Collapse All: [ Key
Reviews
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Store average score4.4Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.2Average computed only from synced review bodies below
Reviews with text31Synced review bodies
Total ratings / reviews44Chrome Web Store public rating/review count
Store average score: 4.4. 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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Awesome 👍
I would use it over Seven JSON Viewer, but it is currently broken (I am using Brave on Linux) Quick fix for me was to add `.line { line-height: 18px; }`. And font-family should be customizable (text input), so I can see my custom local font instead of the generic one. These 2 changes would make it 5/5 for me.
Almost perfect. I am using chrome for ubuntu and have some troubles with dark / light mode. Sometimes when I refresh page then mode is switching from dark to light. Could you deploy some version of this extension without light theme?
Almost perfect but... - No leading lines - Empty objects {} shown as [object Object]
Missing some essential features such as having alphabetical ordering for easily finding items in large objects. I will revisit this review after a while.
Pretty good.
Pretty neat. 👌
Great 5th star when the keys are in quotation marks
Dark mode needs some work.
Its Just Awesome! 🤩