MasonCookies

Personal cookie wallet — back up, organize and restore your own browser sessions locally for development and testing.

MasonCookies is a developer-friendly local cookie wallet. WHAT IT DOES Save snapshots of your own browser cookies into a private wallet stored locally on your device. Restore any saved snapshot later when you need it — for example, after clearing browsing data, while testing different environments, or when switching between development accounts. KEY FEATURES - Export all cookies, or only the active tab, to a JSON file you control - Import cookies from a .json / .txt / .cookies file - Group cookies by site with one-click search and filter - Save named snapshots ("Work environment", "Staging account", etc.) into a local wallet - Restore a snapshot to recover a previous session state - Logout-all helper to quickly clear all cookies for a domain PRIVACY (IMPORTANT) - 100% local — nothing is uploaded, no analytics, no tracking - All snapshots are stored using chrome.storage.local on your machine - No remote servers, no third-party APIs, no ads - You own and control every byte of data the extension touches TYPICAL USE CASES - Web developers testing the same site under different sessions - QA engineers reproducing a session-bound bug - Backing up your own session before clearing cache or reinstalling Chrome - Moving your own session between two browsers on the same device WHO THIS IS NOT FOR This extension is intended only for managing your own cookies on your own accounts. Do not use it to access accounts that do not belong to you.