Caviar: PDF Redaction for Mac

Caviar is a native Mac app that redacts documents irreversibly. Where most tools draw a black box over text that stays in the file, Caviar re-renders every page as a 300 dpi image into a brand-new document, then checks pixel by pixel that every area is truly black before writing the file.

Detection (names, addresses, IBANs, identity numbers from some thirty countries…) runs entirely on the Mac, with no account and no network connection. It opens PDFs and images, including screenshots, and a Shortcuts action redacts a screen area and puts it on the clipboard. Twenty-five languages, a built-in guide. Free during launch, on the Mac App Store.