Premium JSON viewer and data analyzer with themes, search, outline panel, sticky scroll, and breadcrumb navigation.
Users
11
+1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
6
0 in 30 days
Store rank
#185K
#155K among extensions
Version
1.0.3
updated 16 Aug 2026
Users
monthly, 2 months
Latest, 17 Oct 2026:11 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 17 Oct 2026:6 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About JSON Viewer PRO — Premium Data Analyzer
JSON Viewer PRO — The Ultimate Premium JSON Formatter & Data Analyzer
Transform raw JSON into a beautifully structured, interactive studio experience. Built for developers, API engineers, data analysts, and power users who need high performance, privacy, and rich visual inspection tools.
🌟 KEY FEATURES:
🔍 REAL-TIME SEARCH & REGEX FILTER
Highlight keys and values instantly with regex support, match counters, and quick next/prev navigation.
🌲 OUTLINE PANEL & TREE NAVIGATION
Inspect object keys in a dedicated sidebar tree map, jump across paths, and control collapse levels with a single click.
📌 PINNED FIELDS DOCK
Pin critical JSON fields to a bottom monitoring dock for quick side-by-side inspection and bulk copying.
🍞 BREADCRUMB PATH BAR
Interactive path navigation bar showing exact object depth and clickable parent nodes.
📜 STICKY SCROLL
Never lose context! Parent object keys stay pinned to the top of the viewer as you scroll through deeply nested JSON structures.
💼 STANDALONE WORKSPACE TAB (Alt + J)
Launch a full-screen interactive studio to paste, edit, format, or minify raw JSON anytime.
📜 LOCAL HISTORY ENGINE
Automatically save and search your recently analyzed JSON payloads—stored 100% locally on your machine.
🔒 100% OFFLINE & PRIVACY-FIRST
Zero external servers, zero analytics, zero data collection. Everything runs locally inside your browser.
🎨 20+ PRESET THEMES & CUSTOM CREATOR
Choose from dozens of high-contrast dark and light color themes, or create and save your own custom color presets!
🎨 640x640 SCREEN-CENTERED COLOR PREVIEW WINDOW
Hovering over any detected color badge (HEX, RGB/RGBA, HSL, or named colors) instantly displays a high-resolution 640x640 screen-centered preview window with a glassmorphism backdrop blur!
🖼️ PURE IMAGE PREVIEWS & INTERACTIVE WHEEL ZOOM LIGHTBOX
Hovering over image badges renders a clean, distraction-free photo preview card. Clicking opens a half-screen glass blur Lightbox featuring mouse wheel zooming (100% to 450%), click-and-drag panning, scale percentage pills, and Esc/backdrop close controls!
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⌨️ KEYBOARD SHORTCUTS:
• Alt + J / ⌥ + J: Open Standalone Workspace Tab
• Ctrl + F / Cmd + F: Focus Real-Time Search Bar
• Esc: Close active drawers and modals