Grab text from a web page in background Chrome (CDP)

Prerequisites#

• The workflow runs in Browser Mode with an active CDP driver.
• Selector source has a valid CSS selector; selection or focused-input source has matching page state.
• The result variable name is valid when storage beyond the virtual clipboard is needed.

Supported modes#

• Browser Mode — Always writes text to the context virtual clipboard and additionally to a variable when configured.

What it does#

The CDP Copy Text command reads text from a web page in Browser Mode (CDP) and stores it in the virtual clipboard or a variable. The source can be: the current selection, a specific selector, or the focused input. It does not use the real Windows clipboard, so it does not disturb other work.

Screenshots & video#

When to use it#

• Grab a web element content (price, code, status) to process.
• Read data in the background without touching the real clipboard.
• Save text into a variable for a later step.

When not to use it#

• The workflow runs only in Desktop Mode.
• Structured extraction or complex iframe/shadow-DOM handling is required; Smart HTML is more appropriate.
• The selector is unstable or the target is outside the current CDP page context.

Configuration steps#

1. In Browser Mode (CDP), add Keyboard › CDP Copy Text.
2. Choose the source: selection / selector / focused input.
3. For selector, enter the selector; set a result variable if needed. Save.

Every option explained#

Expected result#

Text from the selection, selector, or focused input is written to the virtual clipboard and optionally to the result variable.

Real example#

Limitations and failure cases#

• The command fails outside Browser Mode or without a CDP driver.
• A missing selector or empty selection can produce an empty string.
• Iframes, shadow DOM, cross-origin content, or dynamically replaced elements may require different targeting.

Tips & common mistakes#

Verification details#

• commands/cdp_clipboard.py

Related commands#