Free guides · Updated for 2026

Spot any scam before you act.

Plain-English guides to the most common scams hitting people's phones, inboxes, and front doors right now. Know the red flags. Know what to do.

In-depth guides

Delivery & shipping

E-commerce

Government impersonation

Banking

Tech support

Impersonation

Romance & investment

Job scams

Marketplace & rental

Lottery & prize

Phone scams

Utility

Don't memorize every scam. Just check it.

Paste any suspicious message, screenshot, or link into Double Check and get a plain-English verdict in seconds. Free to start. Family alerts included.