Last updated: April 27, 2026
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Amazon Cookie Cleaner ("the extension") is a free Chrome extension developed by Welch Commerce Systems. This privacy policy explains what data the extension accesses, what it stores, and what it does not do.
The extension reads cookies on amazon.com and sellercentral.amazon.com domains. This access is the core function of the extension and is necessary to identify which cookies are essential for the user's login session and which are tracking, advertising, or analytics cookies that should be deleted to prevent the "400 Bad Request" error.
The extension does not read cookies on any other domain.
The extension stores a single piece of information locally on the user's device using Chrome's storage API: the date and time of the user's most recent cookie cleanup. This timestamp is displayed in the extension popup as "Last cleaned: [date]" so the user can see when they last used the tool.
This timestamp is stored on the user's local device only and is never transmitted anywhere.
The extension does not collect, transmit, store off-device, sell, share, or otherwise process any of the following:
The extension does not phone home, does not contact any external server, and does not use any analytics services.
The extension does not share any data with third parties because the extension does not collect any data to share. The extension does not include analytics SDKs, advertising networks, or any other third-party code.
The extension requests the following Chrome permissions:
cookies: required to read and delete cookies on Amazon domainsstorage: used only to save the local timestamp of the last cleanuptabs: used only to open welchcommercesystems.com in a new tab when the user clicks the footer linkhost_permissions for *.amazon.com: required to access cookies on Amazon domainsThe extension's complete source code is included in the installation package. Users are encouraged to inspect the code to verify the claims in this privacy policy.
For questions about this privacy policy or the extension, contact Welch Commerce Systems via welchcommercesystems.com.
If this privacy policy changes, the updated version will be posted at the same URL and the "Last updated" date at the top will be revised.