There are some great Chrome extensions around for pretty-printing JSON (great SU question here: Google Chrome Plugin for JSON Reading), but they all seem to depend on detecting whether the incoming document is in a JSON format automagically. So, the question is, how can I set it up so that I can pretty-print displayed JSON manually, rather than relying on some extension's magical detection (that may or may not fail to trigger when I need it to)?

I started from that SU post, and found a bootload of extensions:

https://chrome.google.com/webstore/detail/jsonview/chklaanhfefbnpoihckbnefhakgolnmc?hl=en https://chrome.google.com/webstore/detail/json-formatter/bcjindcccaagfpapjjmafapmmgkkhgoa?hl=en https://chrome.google.com/webstore/detail/pretty-json/ddngkjbldiejbheifcmnfmmfiniimbbg https://chrome.google.com/webstore/detail/json-sh/gjkjdnonlibmbegailhclgbnfdafpgdh

(i.e., the results for JSON formatter). Those, and more, will all detect JSON formatting, and display it in a pretty-printed way, but none of them support an easy, bugproof way to manually turn it on on a page where JSON is not detected (except by, perhaps, tricking the engine by sticking format=json in the query string, but none of them were explicit about telling me I could do that). Is there a better option out there?

  • We don't do product recommendations unless prior research is shown (superuser.com/faq). please list the tools you have tried. I'd need to flag this as not useful. If you turn your question into "How can I do X?" it likely won't be deleted. Act now. – user 99572 is fine Mar 5 '13 at 20:42
  • From the closing: "We expect answers to be supported by facts, references, or specific expertise, but this question will likely solicit debate, arguments, polling, or extended discussion." It seems like the question, "Is there a plugin that allows pretty-printing to manually be enabled" is pretty straightforward, and easy to support with reference. Am I missing something here? – A. Wilson Mar 5 '13 at 23:19
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    Your question was reopened. – user 99572 is fine Mar 6 '13 at 21:57
  • Guess the accepted answer should just be "yes" then :P – jsh Sep 25 '15 at 19:47
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    That would make sense if the question didn't start with "How", but it does start that way, so I don't understand your reasoning. – A. Wilson Sep 29 '15 at 4:28

JSON Formatter provides buttons to toggle between raw and formatted views of a JSON document.

It is open source. As of November 2016, the last commit was in March 2015. There are over 100 forks, many of which have more recent commits. It's not immediately clear if one of those forks is better maintained.

The OP of this answer originally wrote: "I feel like a big dummy. Some more thorough searching turned up https://chrome.google.com/webstore/detail/the-missing-json-inspecto/hhffklcokfpbcajebmnpijpkaeadlgfn/related, which is exactly what I need." However, an edited version of this answer indicated that that extension was not open source and was no longer maintained.

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    That extension is not open source, and hasn't been maintained since 2013. JSON Formatter is actively maintained, better rated, and open source. – Dan Dascalescu Nov 24 '15 at 23:58

I ran into the same problem and dislike the bloated-ware so I develop Jipy It simply ask you to highlight (full or partial) JSON payload and trigger the format function. (hotkey, context-menu, or button)

  • Whoa, this is really good. Makes viewing log files that are only partially valid JSON a breeze. – J.M. Janzen Dec 7 '20 at 18:34

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