InfoPeek

Peek into cookies & JSON — 100% local, zero tracking.

InfoPeek is a privacy-first developer toolkit combining a cookie manager and a JSON viewer. COOKIE MANAGER • View, edit, create, and delete cookies for any site you authorize • Full attribute control: Domain, Path, Expiry, Secure, HttpOnly, SameSite, Host-only • __Host- / __Secure- prefix rules enforced automatically • Built-in JWT decoding — spot and inspect token cookies instantly • Import / export as JSON (EditThisCookie-compatible) or Netscape cookies.txt (curl / wget / yt-dlp) JSON VIEWER • Format, minify, and auto-repair invalid JSON (single quotes, trailing commas…) • Search by JSONPath, key, or value • Table & list views for arrays, with smart rendering: timestamps → local time, booleans, colors, embedded JSON, JWT • Open raw JSON responses directly in the viewer PRIVACY-FIRST BY DESIGN • No network requests, no analytics, no tracking • Cookies, tokens, and JSON are processed entirely in your browser • Site access is requested per-site at runtime — never at install time — and revocable anytime English & 简体中文. Manifest V3. Works on Chrome, Edge, and Firefox.