CleanJSON — Trustworthy, Zero-Network JSON Viewer

Trustworthy local JSON viewer. Zero host permissions, zero network. Collapsible tree, search, copy.

CleanJSON renders JSON responses (and local .json files) as a fast, collapsible, searchable tree view inside Chrome. Its defining feature is **architectural trust**: - Zero host permissions (manifest: "host_permissions": []) - Zero network requests or remote code (enforced by CI trust scanner) - All processing in ISOLATED world content script - No analytics, no telemetry, no third-party scripts You can literally inspect the source and manifest to verify we cannot exfiltrate your data. Features: • Lazy virtual tree for large files (50MB+ supported) • Expand/Collapse all, individual nodes with child counts • Search by key/value/all + JSONPath subset ($ .key ['key'] [n] ..key) • Copy whole document or any subtree • Toggle back to raw view (reversible) • Dark / Light / Auto themes • Error location reporting on parse failures (never blank screen) • Persistent settings in local storage only Category: Developer Tools Language: English (primary); works worldwide Perfect for API debugging, config inspection, and any situation where you need to trust the tool handling sensitive JSON.