Getting the dimensions right is critical for email signatures that look professional across every device and email client.
Overall Signature Width
Keep your total signature width between 400-600 pixels. This ensures readability on both desktop and mobile.
Profile Photo
Recommended: 80x80 to 100x100 pixels. Use a square image for consistent rendering.
Company Logo
Recommended: 200x50 to 300x80 pixels. Keep file size under 50KB.
CTA Banner
Recommended: 400x70 to 600x100 pixels. Keep it compact to avoid overwhelming the signature.
Create a perfectly sized signature with our free generator.