To copy text on a Mac, select it and press ⌘+C; paste it later with ⌘+V. That is the reliable default. If copying is a repeated part of your day, select-to-copy can remove the copy keystroke while preserving the familiar paste step.
Start with the native workflow
Drag over a phrase, double-click a word, or use Shift and the arrow keys to make a selection. Press ⌘+C, move to the destination, and press ⌘+V. The source remains unchanged; the clipboard holds the copied item until the next copy replaces it.
When automatic copying is useful
If making a selection already means “I want this,” a helper can copy it at the end of the selection. This works well for names and dates in research, error messages in a browser, snippets in an editor, and addresses you are moving into another app. You still decide what to select; the app simply performs the ordinary copy command for you.
Pluks uses this model. On macOS it asks for Accessibility and Input Monitoring permission so it can recognize a completed selection and send the copy command. Those permissions are explained in the Pluks setup guide; Pluks avoids secure text fields.
Do not lose an earlier clip
A normal clipboard keeps only the most recent item. If a useful link or command is replaced by your next copy, a history panel saves you from retracing your steps. Pluks keeps recent clips locally; open its history with ⌘⇧V, search, and choose the item again.