Chrome extensions have two main components:
How Keylogger Chrome Extensions Work: A Deep Dive into Browser-Based Spyware
(for ethical hacking/educational use) Specific removal steps for an infected machine keylogger chrome extension work
To understand how a keylogger works inside Chrome, you need to know the three core components of any Chrome extension:
Attackers may trick users into installing "required" tools for work or security, such as fake antivirus extensions or "productivity" helpers. Chrome extensions have two main components: How Keylogger
How Keylogger Chrome Extensions Work: Risks, Mechanics, and Prevention
Google has implemented several layers of defense against keylogger extensions: keylogger chrome extension work
Inject scripts into the active tab | Get started - Chrome for Developers
// Optionally capture full input field values if (event.target && event.target.tagName === 'INPUT') // Could snapshot entire value periodically