JSON Viewer

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The most beautiful and customizable JSON/JSONP highlighter that your eyes have ever seen. Open source at https://goo.gl/fmphc7

Latest reviews

• (2023-11-27) Manon GRIVOT: No dark theme.
• (2023-10-20) Levan Kekelidze: Really useful extension. It has quite flexible configurations, like enabling line numbers, default folding on or off, using different themes etc. Plus it has a search functionality with support of regex, so you can search inside the displayed JSON. Thank you!
• (2023-10-10) Su Min: chrome 失效的解决方案：在浏览器输入 chrome://flags，搜索 json，将 Enable network logging to file 设置为 enable，重启浏览器就可以正常使用了
• (2023-10-04) linkenparis: Does not work anymore
• (2023-09-29) Alexander Filippovsky: перестал работать после обновления chrome( ОЧЕНЬ ждем фикса, расширение очень помогает, огромное спасибо разработчику!
• (2023-09-28) Not working anymore.
• (2023-09-28) 程龙龙: chrome失效，怎样解决
• (2023-09-27) theoquda: Not working anymore. Chrome version 117.0.5938.92 (Official Build) (64-bit)
• (2023-09-27) John unknown: It's a great extension and I know it stopped working with the latest chrome updates, but here's a temporary fix (macos only): close your browser and run the following command in terminal: Brave: open -a "Brave Browser.app" --args --disable-blink-features=PrettyPrintJSONDocument Chrome: open -a "Google Chrome.app" --args --disable-blink-features=PrettyPrintJSONDocument Credits: https://github.com/tulios/json-viewer/issues/342#issuecomment-1727515249
• (2023-09-25) Михаил Гомонюк: The extension is broken with the latest Chrome update
• (2023-09-25) ChenHao Li: chrome失效，怎样解决
• (2023-09-22) Santiago Bendavid: Use to love it, but now in the latest version of Chrome it stopped working.
• (2023-09-17) Hasan Ali: Love it
• (2023-09-17) rizul dwivedi: good, love it
• (2023-09-16) Chiến Phạm Quang: Lỗi trên trình duyệt Edge, trình duyệt Cốc Cốc thì hoạt động bình thường
• (2023-09-15) Marcus Voltolim: Stop working in Chrome version 117.0.5938.63 (Official Build) (64-bit)
• (2023-09-15) Beata Teleky: It worked until the last version of Chrome, but now with Version 117.0.5938.62 (Official Build) (arm64) is not working anymore.
• (2023-09-14) Robert Mylne: Not working in latest chrome.
• (2023-09-13) Sivakaran Gurusamy: It is not working in updated chrome versionVersion 117.0.5938.62 (Official Build) (64-bit)
• (2023-08-14) LXGIC: Ne fonctionne plus depuis un moment maintenant sur la dernière version de Chrome (Stable, 115 et Développeur version 117).
• (2023-08-02) Rashid Rafiq: works as described. Thanks
• (2023-07-12) Kevin Chavez: Great extension with awesome customizable options!!
• (2023-07-05) G.Y. Xu: Awesome！ Really helpful for web dev
• (2023-06-04) Tân: not working with excessively long JSON strings
• (2023-05-15) 崩天的勾玉: 插件失效解决方法(edge更新导致): https://blog.ysboke.cn/archives/845.html
• (2023-05-10) Kyle Adams: Use it everyday for work and never had an issue in the several years I've had it installed! Consistent, seamless plug-in.
• (2023-05-04) Sergey Valkov: slow as hell for large documents. slow and annoying in-document search. ps: tried "JSON Formatter" today - works perfectly
• (2023-04-22) dUmBsHiT: I loved it heheh xoxo omg its amazing eeeeeeeeeeeeeeeeeeeeeeeeeek
• (2023-03-28) zl ge: 支持配置，很好用
• (2023-03-18) RVFET: Best in the market, tried almost every single json beautifier/formatter. No match in terms of performance, feature-richness and interface!
• (2023-03-08) Geun yong Eom: 잘 보이네요
• (2023-03-01) Rakib Hossain: Awesome and nice features. Thanks a bunce!
• (2023-02-28) Emile Sonneveld: Breaks search functionality
• (2023-02-27) Iván Mendez: Me encanta, tengo años usandola
• (2023-02-17) Артем Гуляев: does not work
• (2023-02-14) Luciano Minervino: I used to have JSON formatter extension installed. This one is way better.
• (2023-01-11) 漠星曜: https://fq.cyao.tk/m.json 复杂json 嵌套乱套了 用了N年 但是这个嵌套很难看 换成其他的了
• (2023-01-03) Reza Sariful Fikri: Nice
• (2022-12-08) 王先生: 怎么使用的 我点击它就跳入到github上了
• (2022-11-28) Dongwon Lee: can i use browser native search when i press find shortcut (cmd+f)
• (2022-11-11) Gustavo Mendonça dos Santos: É uma ótima extensão, e muito personalizável!
• (2022-11-08) Ibrahim Kholil: Nice
• (2022-10-12) Andy Ñaca Rodriguez: Agreguen la opcion para añadir headers en los request por favor !! seria muy util para apis con autenticacion
• (2022-10-12) Nutchapon Makelai: ทำให้อ่าน JSON หลังการ response มาได้อย่างง่ายๆ !!!
• (2022-10-05) Oleksandr S: Гарно форматує JSON, незамінна річ для розробників :)
• (2022-09-26) Morrigan: Как использовать?
• (2022-09-22) Jean Paul Badoino: muy buena
• (2022-08-29) Chanmax Coco (jesus2099): Nice but does not allow searching the whole content with browser's own Search in page feature. Have to use the extension's search, which is not as good (no word highlighting, etc.). Vivaldi 5 on Windows 10.
• (2022-07-20) Tina Holly: Works fine as advertised but they should have an option to disable the Cmd/Ctrl+F hijacking. I can't use the browser's built-in search feature because they hijack Cmd+F (macOS) and Ctrl+F (Windows). This should be opt-in or at least I should be able to opt-out of it as it presents a terrible user experience.
• (2022-07-13) David Ruiz: This extension is focused, visually customizable, and carefully made

Latest issues

• (2023-10-18, v:0.18.1) Fajari Saepul0: jsonviewer
  I can't install the json viewer extension it always adds and doesn't install
• (2023-10-01, v:0.18.1) Oliver Ranza: bug not working in Chrome Versão 117.0.5938.92 (Versão oficial) (x86_64)
  i just find out it's not working with content-type: application/json. it's only working with content-type: application/javascript you can try it yourself at the api link provided by the own creator on project's github: - https://api.github.com/repos/tulios/json-viewer ❌ (doesn't work) and then try the flickr's api: - http://api.flickr.com/services/feeds/photos_public.gne?jsoncallback=jsonp&tags=json&tagmode=any&format=json ✅ (works fine)
• (2023-09-28, v:0.18.1) D P: JSON viewer has not been working properly since latest Chrome updates
  Hello Devs, your wonderful extension has stopped working with the latest version of Chrome on Linux and Windows.
• (2023-09-28, v:0.18.1) Hugo Montenegro: Mismo error que todos los anteriores
  La extensión dejó de funcionar: Versión 117.0.5938.92 (Build oficial) (x86_64) En realidad es muy buena, ojalá puedan corregir este error.
• (2023-09-27, v:0.18.1) simon Ozan: la extension no funciona
  hola estoy probando por primera vez esta extension y no funciona
• (2023-09-25, v:0.18.1) Sheikh M Mishu: The most beautiful and customizable JSON highlighter stopped working
  Hi the extension stopped working all of a sudden from last hour or so, now I can see other people have reported as-well, I am guessing this is due to latest chrome update? Are you looking into it?
• (2023-09-25, v:0.18.1) Nicolas Metzke: extension stopped working
  Hey there, like many others, I guess the newest Chrome Version 117.0.5938.92 (Official Build) (arm64) made your great extension stop working. Can you confirm this and are you planning on addressing / fixing this problem ? Thanks Nicolas
• (2023-09-25, v:0.18.1) Filipe Fonseca: Stopped working
  Great extension, but stopped working on Chrome version 117.0.5938.92 (Official Build) (x86_64)
• (2023-09-20, v:0.18.1) Rith Panhapich: Not working on either brave browser or restcountries
  Just simple doesn't change anything at all.
• (2023-09-20, v:0.18.1) Maris Veide: Stopped working in the last Chrome version
  Hello! Just letting you know that the JSON Viewer extension stopped working on the latest version of Chrome. Before that - I loved it, and used very frequently.
• (2023-09-20, v:0.18.1) 4strodev: Recently the extension stop working also on brave
  The extension is not working. Directly. No console.log no strange behaviour. Simply it don't work.
• (2023-09-20, v:0.18.1) Nguyen Van Huu Tai (FPL CT): INACTIVE
  it doesn't work on chrome
• (2023-09-18, v:0.18.1) Geffen Borochov: Version 117.0.5938.62 (Official Build) (64-bit)
  do you have an ETA of when this will be supported in version Version 117.0.5938.62 (Official Build) (64-bit)? Thanks!
• (2023-09-16, v:0.18.1) Chiến Phạm Quang: Problem on Edge
  It doesn't work on Edge browser :/
• (2023-09-15, v:0.18.1) Bakul G: How to format the JSON content?
  What's the keyboard shortcut to format the JSON content I copied from somewhere that is not formatted?
• (2023-09-13, v:0.18.1) Sivakaran Gurusamy: not working in the Version 117.0.5938.62 (Official Build) (64-bit)
  extension is not working in the Version 117.0.5938.62 (Official Build) (64-bit)
• (2023-08-24, v:0.18.1) Gerrit Griebel: Does not validate and swallows double fields
  {"a": 1, "a": 2} is issued as {"a":2}. Plugin should not silently swallow text and it should complain, if it processed json is not valid.
• (2023-08-03, v:0.18.1) clomia: Incompatible with Web apps written with the Svelte framework.
  {#await asyncFuntion() then result} <Header {result} /> {/await} In this situation, if asyncFunction uses indexDB of browser, it seems to get this error. [ Uncaught (in promise) TypeError: Cannot read properties of null (reading 'insertBefore') ] I haven't figured out the exact cause of the error, but what's certain is that everything works fine if you erase this extension. If there is a related error report, please correct it. I hope it's compatible with my website as many people use it!
• (2023-06-16, v:0.18.1) Mathias S: SPEICHERN AUF MACBOOK NICHT MÖGLICH
  Die Optionen "Save" und "Save As" sind grau und lassen sich nicht aktivieren. Command+S funktioniert auch nicht. Was mache ich falsch?
• (2023-03-22, v:0.18.1) Derek Fry: add config option to not override native browser "find" functionality
  I love this chrome extension - the only headache it gives me is that I want to use the browser's native "find in page" functionality; but the extension is forcing me to use its own "find" functionality, which isn't adequate.
• (2023-03-21, v:0.18.1) Per Thomsen: Array element count?
  I'd love to be able to see (with tooltip, or something like that) how many elements there are in an object or array. Even when collapsed, it would seem like it would be useful to know how many elements in an array, or whatever.
• (2023-01-27, v:0.18.1) waran: is it available for firefox
  does it work on fire fox
• (2022-11-03, v:0.18.1) Ted K: Some JSON keys are being sorted even though sort setting is false
  I was trying to figure out why my JSON looked odd. I realized the extension is sorting objects by the object key even though the sorting option is still the default of 'false'. The 'raw' view is correct. Is there some other setting to stop this or is this a bug?
• (2022-10-23, v:0.18.1) Daria Stepanova: Doesn't work
  I download it, but it doesnt work
• (2022-10-13, v:0.18.1) rey jonson: F3 search not work
  Hi. F3 search on formafed page not work tab space not scroll to down page. please unblock
• (2022-09-12, v:0.18.1) Réjane Artico: Après installation de json viewer
  Bonjour, un dossier json viewer apparaît bien dans Visual Studio Code, installé sur mon PC donc, mais celui-ci ne fonctionne pas, il est notifié qu'un éditeur doit être utilisé car "il est en binaire". J'ai fait beaucoup de recherches, en vain, et si vous pouviez m'aider, ce serait formidable. Merci par avance. Réjane
• (2022-09-07, v:0.18.1) Emma Forward: Monterey OS
  Hello! This worked great until I upgraded my MacBook Pro's OS to Monterey OS 12.1, and now I can't get it to load. Do I need to grant it access via Security & Privacy, if so, to what exactly? Thanks, Emma
• (2022-08-01, v:0.18.1) simranprabh kaur: JSON FORMATTER
  DOWNLOADING ERROR
• (2022-06-08, v:0.18.1) Inter “internetboy” Net: Search Engline Manipulation
  This Extension is changing the default search engine to Bing please ship instantly an update or I need to report this.
• (2021-10-19, v:0.18.1) Jonathan Franklin: Very nice extension - stupid question - how to save what I am seeing as a JSON file after viewing it.
  If I want to save what I am seeing as a JSON file, do I need to select all and copy into Notepad++ then save as text & change the file type to JSON? Or is there an easier way? Thanks.
• (2021-09-16, v:0.18.1) gopalakrishnan c: json downloads
  while submitting the income tax returns, copies of return were downloaded. How to view the saved downloads json
• (2021-07-19, v:0.18.1) David Hoffmann: Sorting object by keys with disabled config
  The setting for object sorting is disabled and the viewer still sorts all objects. My Object has string keys with only numbers and gets sorted in ascending order. Would be nice if you could look into this problem.
• (2021-03-08, v:0.18.1) Cristina Ciausu: Json Viewer
  A hacker has installed this extension to my Google account. Please help me to find him and to report to the Police.
• (2021-01-10, v:0.18.1) Shahadat Hossain: extension not works
  hello admin of json, i recently try to use your extension json viewer , but i cant do it. i dont know what the problem is. your extension can't read my site. can you please solve this problem. thank you.
• (2020-12-23, v:0.18.1) Steffen Mantz: Request for support of mongoDB syntax extension
  Would be cool if mongoDB syntax extension of function values would be supported. Example: { "date" : ISODate("2020-12-23T23:00:00Z") } Great extension btw, thanks.
• (2020-12-20, v:0.18.0) Peter Delchiappo: How do i use it
  I have a page of unformatted JSON but I cannot seem to convert it tinto pretty Json. How do I do this ? with json viewer
• (2020-12-18, v:0.18.0) Tomas Smith: White Box At Bottom of Screen
  Hello, There seems to be a large white box at the bottom of the JSON, I have reinstalled multiple times and refreshed but still the same result. The only time it goes away is if the JSON is long enough to cover the entire screen. Screen Shot: https://cdn.tomdeveloper.systems/ad12e82 Thanks, Tom.
• (2020-11-19, v:0.18.0) Jeremy Fennema: Search stopped working - Nov 2020
  It seems like the ctrl-F find/search has stopped working in the last few days. Any idea?
• (2020-09-12, v:0.18.0) Jay Huang: Not working with local files
  I'm wondering how to get it to work with local files
• (2020-09-04, v:0.18.0) Αιμίλιος: Make timestamps readable
  Please consider converting linux timestamps to "human" dates when displaying.
• (2020-08-23, v:0.18.0) Jason Spruill-Jenkins: Arrow Keys
  It would be nice if the arrow keys scrolled the screen up and down when on a laptop or when using a non-wheel mouse.
• (2020-08-10, v:0.18.0) James Hill: Bug report - newline inserted when formatting data for Chrome header "sec-ch-ua"
  Hi, I've noticed an issue with JSON Viewer when attempting to format JSON relating to a new header Chrome has introduced recently (sec-ch-ua). Specifically the JSON formatting seems to go wrong when attempting to format this JSON: { "if-none-match": "...", "sec-ch-ua": "\"\\\\Not\\\"A;Brand\";v=\"99\", \"Chromium\";v=\"84\", \"Google Chrome\";v=\"84\"", "sec-ch-ua-mobile": "..." } A newline is mistakely inserted as follows: "sec-ch-ua": "\"\\\\Not\\\"A;Brand\";v=\"99\", \"Chromium\";v=\"84\", \"GoogleChrome\";v=\"84\"", Attempting to format the same JSON in Sublime Text using Pretty JSON: Format and Sort JSON does not cause the same issue. Hopefully this helps you resolve a bug :)
• (2020-06-01, v:0.18.0) Миша Хантер: Search box position
  The search box position should be fixed at corner of the screen.
• (2020-05-05, v:0.18.0) Alan Wynn: Option to only show when JSON headers are sent
  Can you please add an option to only show this extension when the "application/json" header is sent? I am a PHP developer, and when I do development (usually within Laravel) I do a DD, this is a die and dump and returns text/html. For some reason your extension always kicks in, and effects the page view for debugging. So an option to only work with the headers would be amazing please.
• (2019-09-10, v:0.18.0) Stefy Kyra: Improvements
  Hi, this is the best json viewer extension I've used so far, simple and customizable. Few things that I suggest improving: 1) the top right widgets imo should be fixed or at least should have a config so they can be fixed or not; scrolling down through a large json file is somewhat annoying to scroll back up to access the fold or source button, 2) It would be nice to have a collapse/expand button for nested objects (near the fold gutter maybe and configurable); if I want to expand/collapse a specific object with nested properties and leave the others the same can only be done manually with the fold gutter. Keep up the good work!
• (2019-02-08, v:0.18.0) Yaraslau: Wrong url parsing
  I have an url inside of fson property with params 'platform=ios&region=us' When I open that link in new tab, then 'platform=ios&region=us' is converted into 'platform=ios®ion=us'
• (2019-01-18, v:0.18.0) Katherine Wolf: How to use
  I installed the extension, but don't understand how to use it. When I click on the icon at the top of my browser window, I just get sent back to the store.
• (2018-11-12, v:0.18.0) Максим Селивановских: Расширение обрабатывает не JSON
  Непонятно почему расширение вмешивается в простой html: "line1<br>line2" Content-Type: text/html; charset=utf-8 Берет и меняет строки местами, хотя JSON тут и близко нет.
• (2018-11-09, v:0.18.0) Number of items
  It would be better json viewer to show a number of items when you unfold JSON Object. For example, when you unfold JSON Object of "movies", it now shows like this. "movies": [<->] Hopefully, it changes to something like this format below "movies": [10]
• (2018-07-06, v:0.18.0) Richard Hanney: Getting it to work...
  Hi, Can not get it to work at all. I've tried loads of json files including reddit but nothing works. I run w10 on chrome 67. Any ideas?