Cold Email Subject Lines That Get Opened
Generate high-converting subject lines with AI. Boost your open rates by 40% with personalized, curiosity-driven subject lines that bypass spam filters.
Adding a company URL enables enhanced personalization (uses 10 credits total)
"Cut our email writing time by 90% while improving response rates. The HubSpot integration is seamless."
High-Performing Subject Line Examples
Learn from subject lines that consistently achieve high open rates
Quick question about {{company}}'s growth plans
32.1%{{firstname}}, found a way to reduce your CAC by 40%
28.7%15 min to discuss {{company}} + similar success story?
26.3%Wrong person? Looking for whoever handles {{department}}
24.8%Subject Line Best Practices
Follow these proven strategies to maximize your open rates
Aim for 6-10 words or 30-50 characters. Mobile devices cut off longer subject lines, reducing their impact.
Use company name, industry references, or mutual connections. Avoid overused tactics like just adding {{firstname}}.
Stay away from ALL CAPS, excessive punctuation!!!, and words like "FREE", "GUARANTEE", or "URGENT".
Ready to Boost Your Open Rates?
Join thousands of sales teams using AI to craft irresistible subject lines