CheckTheLeak – See where your money leaks with local browser analysis
CheckTheLeak helps you see where your money goes by analyzing your banks CSV or Excel export entirely in your browser. Nothing is uploaded, so you can verify in the network inspector that your transactions never leave your device. It shows what you have left this month, recurring
In plain words
CheckTheLeak is a financial analysis tool that helps users identify spending patterns by importing bank statements in CSV or Excel format. All processing happens locally in the browser, with no data uploaded to external servers, allowing users to verify transaction privacy through network inspection. The tool displays remaining monthly budget and identifies recurring charges, making it suitable for anyone seeking to understand their spending habits.
written from the facts on this page · September 2026
From the sources
See where your money leaks with local browser analysis
CheckTheLeak helps you see where your money goes by analyzing your bank's CSV or Excel export entirely in your browser. Nothing is uploaded, so you can verify in the network inspector that your transactions never leave your device. It shows what you have left this month, recurring fixed costs and subscriptions, silent price increases, and how much you can realistically save. There is a demo mode with fictional data, supports four languages (EN/NL/FR/ES), and offers an optional account that syncs an end-to-end encrypted copy between devices. Built by a father-and-son team from Belgium. Free duringfrom betalist.com
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