50 High-Converting Email Subject Lines

Use these to grab attention, increase open rates, and drive clicks.

Curiosity-Driven Subject Lines

(These create an itch people have to scratch.)

1. Example: I almost quit after this mistake

   Template: I almost [extreme reaction] after [pain point]

2. Example: This tiny tweak doubled my sales

   Template: This [adjective] tweak [big result]

3. Example: You won’t believe what I just found

   Template: You won’t believe what I just [did/found/tested]

4. Example: The #1 email mistake I see (are you making it?)

   Template: The #1 [topic] mistake I see (are you making it?)

5. Example: I tested 3 email styles. Here’s the winner.

   Template: I tested [number] [thing]. Here’s what worked.

6. Example: This email formula made me $10K in a weekend

   Template: This [strategy/tactic] made me [$X] in [timeframe]

7. Example: I was dead wrong about this…

   Template: I was dead wrong about [belief/mistake]

8. Example: My biggest email regret (don’t make this mistake)

   Template: My biggest [topic] regret (don’t make this mistake)

9. Example: Why most emails fail (and how to fix yours)

   Template: Why most [thing] fails (and how to fix yours)

10. Example: I almost didn’t send this

    Template: I almost didn’t [action]

Urgency & FOMO Subject Lines

(These create a sense of now, pushing people to take action.)

1. Example: Last chance: The secret to high-converting emails

   Template: Last chance: [big benefit or insight]

2. Example: Doors close at midnight—are you in?

   Template: [Deadline]—are you in?