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What happens to sensitive text in your clipboard history?

Updated October 26, 2026

Clipboard history is useful because it remembers copies. That also means a password, private message, or customer detail may remain after you have finished pasting it. The practical question is what your history app saved, how it is protected, and when you remove it.

The current clipboard and saved history are different

Copying another item changes what you will paste next. It does not necessarily remove the previous item from an app’s history. Clearing history in one app does not mean every other clipboard app also cleared its copy. Check each history tool you run, including Spotlight on current macOS.

NotchPad protects recognized sensitive text separately

NotchPad marks text as sensitive when it carries a concealed pasteboard marker, comes from Apple Passwords, or matches its supported credential patterns. Sensitive saved text is encrypted with AES-256-GCM and masked in the interface. Revealing it requires Touch ID or your Mac login password.

This is detection, not a guarantee that every secret can be recognized. A confidential paragraph may look like ordinary text. Ordinary clipboard items are locally stored but are not all encrypted by NotchPad. Do not treat the history as a password manager.

Do three things after copying something sensitive

  1. Paste it only in the intended destination.
  2. Check saved history and delete the item when you no longer need it.
  3. If it was a credential, keep its lasting copy in your password manager or appropriate secret store.

AI Connections cannot read NotchPad clipboard history

NotchPad’s MCP tools exclude clipboard history, locked notes, and Apple Notes links. If you copy clipboard text into an unlocked note and share that folder, it becomes shared note content. The connected AI app’s privacy settings then matter.

Screen sharing needs its own check

A masked item and an encrypted item protect different parts of the workflow. Ghost Privacy requests capture exclusion for NotchPad, but check the actual sharing or recording preview before exposing sensitive content. Someone physically looking at your display can still see an unlocked note.

Keep less history when less is enough

Review retention and capture settings, delete obsolete items, and avoid running multiple history tools without knowing what each keeps. Apple’s Spotlight guide explains its Clear History control. Read NotchPad’s privacy policy for the app’s data and service boundaries.

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