of 4— Set Up Jasper Brand Voice

What you'll accomplish

By the end of this guide, you'll have Jasper configured with your brand voice and producing email copy that sounds like your brand — not generic AI marketing-speak. You'll generate full campaigns (subject lines, body, CTAs) in 10-15 minutes, with consistent voice across every campaign regardless of which team member is using it.

What you'll need

Jasper account ($49+/month — Pro plan for Brand Voice features)
Your brand voice documentation: tone guidelines, key phrases, words to avoid, examples of on-brand copy
Examples of your best-performing past email campaigns (for teaching Jasper your voice)
Time needed: 45-60 min initial setup; 10-15 min per campaign after
Cost: $49+/month (Jasper Pro)

How-To Guide: Use Jasper to Build Brand-Consistent Email Campaigns at Scale

Step 1: Set Up Jasper Brand Voice

Brand Voice is what makes Jasper different from a generic ChatGPT prompt — it learns your specific voice rather than using a generic tone.

Log into jasper.ai → click Brand Voice in the left sidebar (under Campaigns)
Click + Add Brand Voice
Name it: "[Brand Name] Email Voice"
In the Style input section, paste 3-5 examples of your best on-brand email copy (at least 1,000 words total)
- Pick examples that represent your ideal voice — promotional emails, nurture emails, customer-facing communications
Add your brand details:
- Brand name: [your brand]
- Products/services: [brief description]
- Target audience: [describe]
- Tone: Select from dropdowns + add custom notes

Add specific guidelines in the Custom instructions field:

Copy and paste this

- Never start an email with "We" — always start with the reader's perspective
- Use contractions ("you'll" not "you will")
- Never use the phrase "amazing" or "incredible"
- Subject lines: under 50 characters, never include the word "just"
- CTAs: specific action + benefit ("Shop the Sale" not "Click Here")

Click Analyze — Jasper analyzes your examples and builds a voice profile
Review the generated voice summary — edit anything that doesn't match

What you should see: A voice summary like "Conversational and direct. Avoids corporate language. Speaks to readers as peers, not prospects. Short sentences. Strong CTAs with specific benefits."

- Never start an email with "We" — always start with the reader's perspective - Use contractions ("you'll" not "you will") - Never use the phrase "amazing" or "incredible" - Subject lines: under 50 characters, never include the word "just" - CTAs: specific action + benefit ("Shop the Sale" not "Click Here")