Firefox cookies.sqlite Viewer

Local, read-only viewer for Firefox cookies.sqlite. Load the file, pick a site/host, inspect cookies, and decode common formats (URL-encoded, JSON, JWT, Base64, query-strings).
UI

Load database

Idle.
Tip: close Firefox before copying cookies.sqlite (it can be locked). Hosts may appear like .example.com — the leading dot means “include subdomains”.

Filter

Subdomains

Cookies

name host path expiry flags value (preview)

Details

Click a row in the table to inspect the cookie.