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AI Brand Voice: Best Practices

Set tone rules and writing prompts that make your content sound consistent, polished, and on-brand.

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Why Brand Voice Matters

Small word choices can change how people perceive your brand.

✅ On-brand Examples

  • Start free trial — Clear, direct, and tells you exactly what to do.

  • Get instant access — Focuses on the benefit in simple language.

  • Use SmartBuilder — Uses the correct product name and sounds confident.

❌ Off-brand Examples

  • Embark your journey — Vague and generic. It does not explain the action.

  • Try smartbuilder — Uses incorrect product capitalization and sounds less confident.

  • Unlock powerful capabilities — Relies on buzzwords instead of explaining the benefit.

These small differences build trust, reinforce your brand voice, and help Knak AI Assistant generate content that sounds like your brand every time.


What Knak AI Brand Voice Helps You Do

Use Brand Voice settings to:

  • Match your brand's tone and writing style.

  • Flag passive voice, off-brand terms, or incorrect product names automatically.

  • Reduce editing time by applying the same rules to every AI-generated message.


Before You Begin

Check whether your marketing or brand team already has brand guidelines. Even a short document or slide deck can provide useful direction.

If you do not have a brand guide, you can still create an effective Brand Voice by starting with a few simple rules.


Step 1: Set Your Brand Tone

Choose up to 7 traits to describe your tone. These traits guide how Knak AI writes subject lines, preview text, and body content.

Personality Options

  • Approachable

  • Casual

  • Clever

  • Conservative

  • Conversational

  • Distanced

  • Dry

  • Familiar

  • Formal

  • Friendly

  • Funny

  • Irreverent

  • Playful

  • Professional

  • Sarcastic

  • Witty

Tone Options

  • Analytical

  • Aspirational

  • Authoritative

  • Concise

  • Confident

  • Dynamic

  • Empowering

  • Informative

  • Journalistic

  • Motivating

  • Objective

  • Persuasive

  • Serious

  • Straightforward

  • Supportive

  • Trustworthy

Attributes selection page for a new brand voice

Step 2: Add Writing Prompts That Match Your Brand

Create prompts that enforce tone, grammar, and word use. Add these under Brand Voice Rules in the Brands section.

Brand voice rules to the right of the attributes section

Sample Rules to Use or Adapt

1. Use plain, precise language

  • ✅ “You can build and send your campaign in under 10 minutes.”

  • ❌ “Unlock revolutionary workflow efficiencies in record time.”

2. Avoid banned words

  • Avoid: "journey," "unlock," "unleash," "tailored"

  • ✅ "Use real-time data to improve results."

3. Focus on benefits

  • ✅ “Personalized subject lines help improve open rates.”

  • ❌ “We offer dynamic fields and segmentation tools.”

4. Be confident

  • ✅ “This integration speeds up your workflow.”

  • ❌ “We believe this integration might improve your process.”

5. Use product names correctly

  • ✅ SmartBuilder ❌ smartbuilder

  • ✅ Campaign Analytics ❌ campaign analytics

  • ✅ QuickSend ❌ Quicksend

6. Use active voice

  • ✅ “The campaign manager reviews each email.”

  • ❌ “Each email is reviewed by the campaign manager.”

7. Use the Oxford comma

  • ✅ “The builder is fast, intuitive, and flexible.”

  • ❌ “The builder is fast, intuitive and flexible.”

8. Add commas around extra phrases

  • ✅ “The team, which launched three campaigns, saw results.”

9. Separate complete sentences correctly

  • ✅ “The test ran successfully, and the results were positive.”

  • ❌ “The test ran successfully, the results were positive.”

10. Use colons for lists

  • ✅ “The tool includes: real-time analytics, email previews, and blocks.”

11. Use en-dashes for ranges

  • ✅ “Available August 1–15” ❌ “Available August 1-15”


Step 3: Try It Out in the Preview

Use the AI preview to test your settings. Knak AI will apply your tone and rules in real-time.

Brand Voice Preview subject line examples

Prompt Examples

Polished & Consistent

"Use SmartBuilder and Campaign Analytics with exact spelling. Use Oxford commas and active voice. Refer to modules as "Design Blocks," not templates."

Simple & Direct

"Use plain language. Avoid "solutions," "unlock," and "powerful features." Focus on what users can do. Say "email builder" instead of "modular platform."

Technical & Authoritative

"Use precise language. Write for a technical audience. Avoid buzzwords. Be confident. Use terms like "API-first" and "real-time sync" correctly."


Tips for Defining Your Brand Voice

If you are unsure where to begin, try these approaches:

  • Review previous emails to identify consistent writing patterns.

  • Track common edits made during reviews.

  • Ask teammates whether content sounds like your brand.

  • Compare examples of on-brand and off-brand messaging.

  • Pull tone guidance from existing brand documents or presentations.


Keep Your Brand Voice Up to Date

Follow these best practices:

  • Start with five to ten simple rules.

  • Keep each prompt focused on one idea.

  • Save prompts that your team uses often.

  • Update your Brand Voice as your messaging evolves.


Ready to Set Up Brand Voice?

Clear tone settings and well-written prompts help Knak AI create content that sounds like your brand across every message.


Need more help? Contact Support via live chat within Knak using the chat bubble in the bottom right corner or email support@knak.com.

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