Tidy (tidymacapp.com)

Tidy searches the text inside scanned PDFs and screenshots, even when they have no text layer. Press Option-Space (⌥Space) from any app to open its search panel; text recognition and the search index stay on your Mac. It also names files after their contents and sorts Downloads using rules for type, name, age, content or origin. The menu-bar app also reads Word, Excel, PowerPoint, Pages, Numbers, RTF and HTML using built-in macOS support.

Processing and the index stay on your Mac, encrypted with the key in Keychain — no account, no server, no telemetry. Activation uses a code emailed to you and verified locally. Tidy never deletes, touches only new files by default, and offers a dry run, searchable history and run-level undo. Requires macOS 14 or later, Apple Silicon or Intel. Five languages; no Windows version.

Why no subscription? US$9 once, with lifetime updates and a 14-day guarantee — no subscription, no session, nothing that expires.