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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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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Great free code formatter.
这个是最好用的，还开源，主题多。不知道为什么搜索排名靠后，在 edge 也是。 内置主题虽多，但都差点意思，一个主题就那四五种颜色，要是能全部自定义就更好了。
Best JSON formatter extension among the ones I've used. My eyes won't hurt anymore trying to figure out which bracket ends where when testing APIs directly on browser lol
Please remove data collecting or add consent for it https://api.jformatter.com/chromeext/analytics/ingest/s
There is no option to collapse and expand all. By default all of them are expanded which is very annoying.
Hello, I think some of the Json formats were misinterpreted when using 'Parsed'. What are you doing using the keyword 'tsource' or 'Domain' format? For example, "https://www.example.com?tag=bbb&tsource=www.aaa.com&token=aaa" It needs to be parsed like this "www.aaa.com&token=aaa" target="_blank">https://www.example.com?tag=bbb&tsource=www.aaa.com&token=aaa" It's parsed like this. In 'Formatted Raw' or 'Raw', it is displayed normally. ++ Thank you for the modification.
Best for JSON understanding.
It formats JSON nicely; however, it takes over the right-click menu. It also cannot handle JSON values that are URLs in the "Parsed" view. For example, the value "https://www.example.com/" becomes "www.example.com" target="_blank">https://www.example.com/"
this is the best.
a million thumbs up