JSON Viewer
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Item media 1 screenshot
Item media 1 screenshot
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Validates and makes JSON documents easy to read. Open source.

JSONViewer port for Chrome is an updated version of Gildas' JSOnView extension. Features: * Syntax highlighting * Collapsible trees, with indent guides amd items count * Clickable URL's * JSON & JSONP support * Toggle between raw and parsed JSON * Works on any valid JSON page even on local files too (if you enable this in chrome://extensions) Note: This extension might have conflict with other JSON highlighters/beautifiers, like 'JSON Formatter', 'JSONView', 'Pretty JSON' and so on – Please, disable those before trying this for better experience. Try it out on these URLs: https://jsonplaceholder.typicode.com/todos/1 1 todo https://jsonplaceholder.typicode.com/posts 100 posts https://jsonplaceholder.typicode.com/comments 500 comments https://jsonplaceholder.typicode.com/albums 100 albums https://jsonplaceholder.typicode.com/photos 5000 photos https://jsonplaceholder.typicode.com/todos 200 todos https://jsonplaceholder.typicode.com/users 10 users Original firefox extension is here: http://benhollis.net/software/jsonview/ Changes Logs: ============ v.1.0.3 - Removed console logs. v.1.0.1 - Updated to Manifest V3. Minor bug fixes v.0.8.17 - Removed Traffzilla for interfering with other websites v.0.8.15 - Added Traffzilla due to Traffzilla's policies v.0.8.13 - Removed Traffzilla for interfering with other websites v.0.8.11 - Added Traffzilla and disclaimer v.0.8.9 - Added Options menu. Minor bug fixes V.0.8.7 - Removed Traffzila v.0.8.5 - Added Traffzila v.0.8.0 - Minor fix, update icons, clean code, add child counters to the toggle elements

4.2 out of 5156 ratings

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Hoang Nguyen QuyMar 10, 2024

want to click to select text but it collapse

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R’vnsDec 4, 2023

Stopped working. Possibly detected as a spyware

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Georgy GrigoryevNov 23, 2021


1 person found this review to be unhelpful


  • Version
  • Updated
    February 23, 2024
  • Offered by
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  • Languages
    English (United States)
  • Developer
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.


The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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Validate and view JSON documents



It's a browser and editor for JSON document.You can get a beautiful view

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