Email Subject Line Tester

Type your subject line and preheader. See exactly how it looks in Gmail, check spam risk, and get scores for curiosity and urgency.

0 characters — ideal: 30–50
0 characters — ideal: 40–100
Gmail Inbox Preview
Desktop
Search mail
Amanam Teaches
The 3 emails that doubled my revenue (copy them) — I sent these last Tuesday and the results shocked me...
10:42 AM
Stripe
Your payout of $2,847.00 is on its way — View your dashboard to see the full breakdown...
9:15 AM
Notion
New: AI-powered writing assistant — Write faster, think clearer, ship sooner...
Yesterday
Mobile
9:41
Inbox
A
Amanam Teaches 10:42 AM
The 3 emails that doubled my revenue (copy them)
I sent these last Tuesday and the results shocked me...
★
S
Stripe 9:15 AM
Your payout of $2,847.00 is on its way
View your dashboard to see the full breakdown...
☆
N
Notion Yesterday
New: AI-powered writing assistant
Write faster, think clearer, ship sooner...
☆
📏
47
Length Score
🚫
0
Spam Flags
🧠
72
Curiosity
⏰
45
Urgency
A
Strong Subject Line
Good length, no spam triggers, solid curiosity hook. This should perform well.
Detailed Analysis
Spam Word Check Clean
No spam words detected
Emoji Check None
No emojis used
Improvement Tips
  • 💡Your subject line is in the ideal range. Good job.