Inboxline
Free AI Cold Email Template Grader
Instantly grade and improve your cold email template. Get high-impact feedback, readability, and spam checks — all in less than a second.
- Catchy subject line, between 30–60 characters (not spammy)
- Message length: 50–175 words
- Personalization: use names or custom fields
- Clear value or ask (CTA - call-to-action)
- Easy to read (short sentences, no jargon)
- No clichés or hype phrases (“guaranteed results”, “increase by 300%”)
- Professional tone, no ALL CAPS, limited exclamation marks