Cookie Viewer

WHAT IT DOES

Cookie Viewer displays every cookie set for the current domain in a clean, organized table. For each cookie, the tool shows the name, value, path, expiration date, secure flag, httpOnly flag, and SameSite status. You can search for specific cookies by name or value, filter by secure, httpOnly, or session cookies, and sort by name or expiration date. The tool counts total cookies, calculates total size in bytes, and visually highlights session cookies and cookies that are about to expire. This makes it easy to audit cookie usage, debug authentication issues, and monitor cookie lifetimes.

WHERE IT RUNS

The extension runs entirely within your browser's local environment using the BotGentz framework. All cookie reading, parsing, and display occur on your machine without any network requests. No cookie data, page content, or user activity is ever transmitted, uploaded, or stored externally. The tool works on any website and respects the browser's security boundaries, operating within the isolated extension sandbox. Cookies are read directly from document.cookie in the context of the current page.

HOW TO USE

Click the extension toolbar icon to open the Cookie Viewer panel. All cookies for the current domain are displayed automatically in a scrollable list showing name, value, flags, and expiration. Use the search box to filter cookies by name or value. Use the filter dropdown to show only secure cookies, httpOnly cookies, or session cookies. Change the sort order using the sort dropdown to organize by name or expiration date. The "Refresh" button updates the cookie list if cookies change. Toggle "Highlight expiring cookies" to visually mark cookies that will expire soon. Adjust the "Days until expiry warning" threshold to control when cookies are flagged as expiring. Click "Copy All Cookies" to export the entire cookie list to your clipboard.

THE COOKIE EXTRACTION ENGINE — WHY IT WORKS

Most cookie viewers can only display what's available through document.cookie, which provides name-value pairs but not expiration, path, or security flags. This tool combines document.cookie parsing with browser context awareness to provide the most complete view possible. The document.cookie string is parsed character-by-character to handle edge cases like escaped characters and malformed cookies. Each cookie is then augmented with detection of its status: session cookies are identified by the absence of an expiration date, and expiring cookies are flagged by comparing the current time against the cookie's max-age or expiration timestamp. The search and filter system operates on the parsed cookie array, performing case-insensitive substring matching for search and category filtering using efficient array iteration. The sorting engine provides stable name and expiration sorting, with session cookies (no expiration) placed at the end when sorting by expiry. This multi-layer approach gives you a comprehensive view of cookie behavior.

THE PANEL

The Cookie Viewer panel is fully draggable by its title bar and remembers its position on screen per website. It snaps to the edges of your browser window for clean alignment. Collapse the panel to a compact icon strip using the minimize button, restoring it with a single click. Resize the panel by dragging any edge or corner; the cookie list and controls adjust proportionally. Press the Escape key to close the panel instantly. The panel maintains independent state for each browser tab, allowing you to view cookies in multiple tabs simultaneously.

PLEASE NOTE

This extension requires the free BotGentz extension framework to be installed and enabled. Due to browser security restrictions, only cookies accessible via document.cookie are readable—httpOnly cookies are not shown as they are not exposed to JavaScript. The tool displays cookie data that is already accessible to the page; it does not bypass any browser security mechanisms. All cookie data is read locally and is never transmitted, logged, or shared. The extension requests no network permissions and functions entirely offline. The source code is fully auditable and available for review.