Struct — JSON Formatter, Viewer & Secret Scanner
use-struct.com · Developer Tools
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Description
Auto-format JSON in your browser. Tree view, convert to YAML/TypeScript, scan for leaked API keys. 100% private. 🔒 YOUR DATA NEVER LEAVES YOUR BROWSER Struct is the JSON tool developers actually deserve, fast, beautiful, and private. Every other JSON formatter sends your data to their servers. Struct processes everything 100% client-side. No exceptions. In 2025, researchers discovered that the top two JSON formatting sites had been leaking 80,000+ sensitive files, AWS keys, database credentials, API tokens — from banks, government agencies, and healthcare orgs. For five years. Struct exists because of that. ⚡ FEATURES ▸ Auto-detect & format — Navigate to any JSON URL or API endpoint. Struct detects it instantly and formats it with syntax highlighting. ▸ Interactive tree view — Explore nested JSON with a collapsible tree. Click nodes to navigate. Search keys and values. Breadcrumb navigation. ▸ Secret scanner — Automatically scans for leaked API keys, AWS credentials, database passwords, Stripe keys, GitHub tokens, JWTs, and more. Red warning badge when secrets are found. ▸ Quality score — Instant 0–100 quality assessment of any JSON: formatting consistency, naming conventions, nesting depth, type issues, efficiency. See your grade right in the popup. ▸ Download — Save the page's JSON as a .json file with one click. Filename derived from the URL. ▸ Convert — Transform JSON to YAML, XML, CSV, or TOML without leaving your browser. ▸ Diff — Compare two JSON objects. See exactly what changed — additions, removals, and modifications. ▸ Light & dark mode — Follows your system preference or set it manually. Beautiful in both. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔐 PRIVACY FIRST • 100% client-side processing — your JSON is never sent to any server • No tracking, no cookies, no analytics in the extension • No account required — everything works without signing in • Open the DevTools Network tab and verify: zero outbound requests • Secret scanner runs locally using pattern matching — no cloud API ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🧰 HOW IT WORKS 1. Navigate to any page with JSON (API responses, .json files, raw JSON) 2. Struct auto-detects it — you'll see a { } badge on the extension icon 3. Click the icon to format, minify, download, or see your quality score 4. Open the Side Panel for deep exploration: tree view, convert, diff, score 5. If secrets are found, the badge turns red ⚠ with a warning in the popup ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 PERFECT FOR • Backend developers debugging API responses • Frontend developers inspecting fetch results • DevOps engineers reviewing config files • Security teams auditing JSON for leaked credentials • Anyone who pastes JSON into sketchy websites and feels bad about it ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🌐 ALSO AVAILABLE AS A WEB APP Visit https://use-struct.com for the full Struct experience with Monaco editor, AI-powered queries, and more. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Questions or feedback? hello@better-click.com