Most "unblur" tools don't actually "unblur" an image in the traditional sense of enhancing a pixelated photo. Instead, they exploit how the Bumble web interface handles data.
Any extension claiming to “reveal faces” from the Beeline is almost certainly misleading you. bumble unblur extension
By sending the full image URL to non-premium users and relying on CSS to hide it, the application effectively leaked the data it intended to monetize. This allowed any user with basic web development knowledge or a browser extension to access the data without authorization. Most "unblur" tools don't actually "unblur" an image