Description
π§© JSON Viewer β The Ultimate JSON & JSONP Formatter for Chrome
Beautiful, blazing-fast, and fully customizable.
Visualize and format JSON like never before with 27 themes, collapsible nodes, raw/highlight toggles, and advanced editing options β all in one lightweight Chrome extension.
π₯ Why Choose JSON Viewer?
Make raw JSON readable, searchable, and stunningly presented. Whether youβre a developer, data analyst, or API tester β this is the must-have tool in your browser.
β
Auto Detects JSON/JSONP β No need to rely on URL or headers
π¨ 27 Gorgeous Built-in Themes β Choose what suits your eyes
π§© Fully Customizable β Colors, tab size, formatting limits, line numbers, and more
π Collapsible Nodes β Navigate complex objects with ease
π Clickable URLs & Omnibox Support β Type json + TAB to paste and preview JSON instantly
π Works with Local Files β Just enable permissions in the Extensions page
π Scratchpad Mode β Type, paste, and format JSON in a standalone editor
π§ Handles Big Numbers β Even beyond Number.MAX_VALUE
π Sort by Keys + Editable JSON β Tweak and analyze live data
β±οΈ Header Options β Add timestamp and source URL to your previews
π§© C-style Braces Option β Prefer C-style arrays? Enable it in one click
βοΈ Quick Tips
π‘ Enable Incognito and Local File Access in chrome://extensions for full functionality
π οΈ Conflicts with other JSON formatters? Disable the others for best results
π After updates, Chrome may reset permissionsβsimply recheck the access boxes if needed
π Perfect for:
REST API developers
Web app testers
Front-end and back-end engineers
Anyone working with structured data in the browser
π₯ Install now to transform the way you view JSON in Chrome!
Reviews
Loading reviews...
Permissions (2)
Permissions
activeTabβΉ Can access the current tab when you click the extension storageβΉ Can store data locally in your browser
Details
| Version | 1.0.1 |
| Updated | Jul 11, 2025 |
| Size | 360KiB |
| First Seen | Mar 24, 2026 |
More by SoftRoyals
Fast IPTV Player - HLS/M3U8/EPG & VOD Streaming
by SoftRoyals
20K
β
4.05
tools
20K
β
4.05
tools
Read Aloud Pro
by SoftRoyals
1K
β
4.10
accessibility
1K
β
4.10
accessibility
Gantt Pro
by SoftRoyals
550
β
4.57
workflow
550
β
4.57
workflow
Tab Keeper
by SoftRoyals
234
β
5.00
tools
234
β
5.00
tools
Finance Pro
by SoftRoyals
186
β
4.77
tools
186
β
4.77
tools
Popular in developer
React Developer Tools
by Meta
5M
β
3.95
developer
5M
β
3.95
developer
Lighthouse
by lighthouse-extension-owners
1M
β
4.42
developer
1M
β
4.42
developer
ΠΠΎΠ½ΡΡΡ.ΠΠ»Π°Π³ΠΈΠ½
by kontur.extension
1M
β
3.11
developer
1M
β
3.11
developer
Similarweb - Website Traffic & SEO Checker
by Similarweb
1M
β
4.66
developer
1M
β
4.66
developer
Clear Cache
by Little Void LLC (Ben Bojko)
1M
β
4.45
developer
1M
β
4.45
developer
Popular Extensions
Adobe Acrobat: PDF edit, convert, sign tools
by Adobe Inc.
330M
β
4.40
workflow
330M
β
4.40
workflow
Chrome Remote Desktop
by Chrome Remote Desktop Release Managers
38M
β
3.14
workflow
38M
β
3.14
workflow
Cisco Webex Extension
by cisco.chromestore
24M
β
2.34
social
24M
β
2.34
social
Kami for Google Chromeβ’
by Kami
17M
β
4.56
education
17M
β
4.56
education
Read&Write for Google Chromeβ’
by Texthelp
17M
β
3.44
accessibility
17M
β
3.44
accessibility