SpendGuard for Amazon™

Track and control Amazon™ spending. Floating widget, checkout warnings, time-lock blocking. Privacy-first.

Track your Amazon spending without sharing data with anyone. Curious how much you have spent on Amazon lately? SpendGuard shows your 30-day and 3-month spending totals in a small floating widget right on the store's pages, and can lock purchases when you need a break. Everything runs locally in your browser: no external servers, no tracking, no data collection. Features: See your spending totals at a glance. Get a warning on checkout pages reminding you how much you have already spent. Set daily lock hours in two modes: Normal keeps the site usable but blocks Buy Now and checkout, Hard blocks it entirely. Choose whether the lock can be turned off before it ends. Drag, minimize, or refresh the widget anytime. Works across 21 regional Amazon stores in the Americas, Europe, the Middle East, Asia and Oceania, each in its local currency. How it works: Just visit the store and the widget appears automatically. It calculates your totals from your order history, then remembers them for 24 hours so they load instantly. Need fresh numbers? Click refresh. Privacy: Your data stays on your device. Always. Totals are calculated locally from your order history and stored in Chrome's local storage. No servers. No tracking. No accounts. Fully open source. Technical: Manifest V3. Zero dependencies. Vanilla JavaScript. Open source on GitHub. CONTACTS Report a bug at https://forms.gle/5mCd3hQUQMtsgHEZ9 Request a feature at https://forms.gle/hqRSiF4PB6L7U6579 Amazon and all related marks are trademarks of Amazon.com, Inc. or its affiliates. SpendGuard for Amazon is an independent third-party extension and is not affiliated with, endorsed by, or sponsored by Amazon.com, Inc.