ClearJSON

Privacy-first JSON viewer. Zero tracking. Fully local.

ClearJSON is the trustworthy JSON viewer you've been looking for — built in response to popular JSON formatters going rogue with ads and tracking. ### ✨ Why ClearJSON? - **100% Local**: All processing happens on your device. Zero network requests for free users. - **Privacy First**: No analytics, no tracking, no accounts, no ads. Ever. - **Lightning Fast**: Optimized for both tiny API responses and 100MB+ data dumps. ### 🔧 Free Features (Forever) - Auto-detect & format JSON, JSON-LD, JSON:API, and NDJSON - Collapsible tree view with indent guides - Syntax highlighting (strings, numbers, booleans, null, keys) - 10 beautiful themes with system-follow (dark/light/sepia) - Click-to-copy values, right-click for JSONPath - Auto-detected links (clickable) and image previews (hover) - Line numbers in raw view - Stats bar (node count, depth, file size, parse time) - Keyboard shortcuts (`[` collapse, `]` expand, `D` theme, `R` raw, `/` search) - Standalone viewer — paste or drag-and-drop any JSON ### 💰 Pro Features ($29 Lifetime) - **Large file virtual scrolling** — 100MB+ JSON without freezing - **JWT auto-decode** — detect tokens and inline display header + payload - **Advanced search** — regex, fuzzy match, result navigation - **Multi-format export** — CSV, TSV, YAML, TypeScript types - **30 premium themes** — Monokai, Dracula, Nord, One Dark, Solarized, and more - **Custom keyboard shortcuts** ### 📦 One-Time Purchase. No Subscriptions. $29 gets you ClearJSON Pro for life. No recurring fees, no accounts required. A license covers up to 3 devices. ### 📖 Permissions Explained - `storage` — Save your theme and settings - `activeTab` — Format JSON in the current tab - Host permissions — Only used to detect JSON content type; page content is never read otherwise