OpenCookie: Cookie Editor

View, edit, add and delete the cookies of any site. Import and export JSON, cookies.txt or a Cookie header.

The cookie editor for any site. OpenCookie shows every cookie of the site you're on, in a clean list you can search, and lets you edit, add, delete, import and export them in a click. Built for developers, testers and anyone who needs to see what a site stores. SEE EVERY COOKIE • All cookies the site can receive: its own and those of its parent domains, on every path • HttpOnly, Secure, partitioned and session cookies, clearly marked • Search by name, value or domain • Copy any value in one click • The list updates live while the page sets or removes cookies • Cookie count on the toolbar icon (can be turned off) EDIT WITH CONFIDENCE • Change the value, domain, path and expiry date • Switch Secure, HttpOnly, host-only and SameSite • Add new cookies, delete one, or clear every cookie of the site at once • Mistakes the browser would refuse are caught before saving, with a plain explanation IMPORT AND EXPORT • Export as JSON, cookies.txt (Netscape format, for curl, wget and yt-dlp) or a Cookie header • Copy to the clipboard or download a file • Import JSON from other cookie editors and from Puppeteer, Playwright or Selenium, cookies.txt files, or a Cookie header: the format is detected automatically FREE AND PRO • Free: view every cookie with all its details, search and copy values • OpenCookie Pro: editing, adding and deleting cookies, and import and export • Pro is a weekly subscription or a one-time lifetime purchase SIMPLE AND PRIVATE • Asks for access one site at a time, or to every site if you prefer: nothing at install • Works on every site, in normal windows and, once allowed, in incognito windows • Light and dark mode, interface in English and Turkish • No account needed. Your cookies never leave your browser: OpenCookie reads and changes them only on your device and never sends them anywhere.