Privacy Sandbox

Google's set of APIs proposed to support ads with less cross-site tracking in Chrome.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

The Privacy Sandbox is Google's set of proposed APIs intended to support advertising use cases such as interest-based targeting and measurement with less cross-site tracking in the Chrome browser. Its aim was to offer alternatives to third-party cookies, and its development has been closely watched by regulators and the advertising industry.