Analyze your .mbox
data from Google Takeout and view a size breakdown to help reclaim your Gmail storage space.
See how much space your emails take up!
Upload a .mbox file (for example, an export of your Gmail data from Google Takeout). You’ll see a breakdown of storage space by From:
address.
Privacy? 🙀
mbox.wtf processes your data locally and doesn’t send it anywhere. In fact, it can’t. A strict Content Security Policy prevents this webpage from making any network connections.
More about privacy
mbox.wtf is structured as a single HTML file, and the CSP is locked down to disallow any connections whatsoever. Visit the CSP Evaluator to validate the website’s CSP for yourself. You can also try opening your browser’s dev tools and trying to run fetch("")
— this should fail, demonstrating that the browser prevents the website from making any connections.