Brand voice and tone guide with real usage examples

Build a brand voice guide with 3-4 defined traits, a do and don’t table, tone shifts by channel, a glossary and before-and-after rewrites your team can use right away. Designed for ChatGPT, Claude, Gemini and Microsoft Copilot. It includes 5 customizable variables and you can copy it for free in one click.

Intermediate · Text · Pending editorial review

Prompt

Act as a brand strategist and content lead who has built style guides that teams actually use.

Context:
- Brand and what it sells: {{brand}}
- Primary audience: {{audience}}
- Values or personality we want to convey: {{values}}
- Current brand copy (paste 2-3 real examples): {{samples}}
- Channels we write for: {{channels}}

Deliverables:
1. A short diagnosis of the current copy: what voice it conveys today and where it is inconsistent.
2. Three or four voice traits. For each: a one-sentence definition, a "we are… but not…" line (e.g., "friendly, but not overfamiliar"), and why it suits {{audience}}.
3. A do and don't table: vocabulary, sentence length, humor, emojis, formality, exclamation marks, technical terms.
4. A tone scale by situation: how the same voice flexes across {{channels}} and in sensitive moments (service failure, complaint, price increase, good news).
5. Glossary: preferred words, banned words, and how to name the product and its features.
6. Rewrite the samples I pasted in the new voice, showing before and after.
7. An 8-question checklist to review any piece of copy before publishing.

Constraints:
- Base the diagnosis only on the samples I provide; do not assume brand facts that are not there.
- If the values are generic (e.g., "quality" or "innovation"), ask me to make them specific before continuing.
- Use [FILL IN] for anything we need to decide internally.

Format: a document with headings, tables and short examples, suitable for sharing as an internal PDF.

How to use it

  1. Paste real copy from your site, emails or social posts, including pieces you dislike. 2. Review the proposed traits with your team before signing off. 3. Use the checklist as the final step before anything goes live.

Usage example

Brand: specialty coffee roaster in Portland · Audience: home brewers aged 25-45 · Values: craft, sourcing transparency, good humor · Channels: Instagram, newsletter and website.

Sample output

Diagnosis

The current sample ("Discover our premium, highest-quality coffee. Order now!") could belong to any brand: empty adjectives, no hint of origin, and an urgency that clashes with the craft and good humor you want to convey.

Voice traits

TraitDefinitionWe are… but not…
Craft-mindedWe talk about the work in concrete detailPrecise, but not pedantic
TransparentWe say where every coffee comes from and who grows itClear, but not cold
Good-humoredA smile now and then, never at the customer's expenseFun, but not goofy

Do / Don't

DoDon't
Short sentences, talk to "you""Premium" or "highest quality" with no explanation
Origin facts: farm, variety, processExclamation marks in every line
An occasional emoji on InstagramEmojis when replying to a complaint

Before and after

Before: Discover our premium, highest-quality coffee. Order now! After: This month we are roasting a washed coffee from [FILL IN: country and farm]. Notes of chocolate and orange, with a finish that asks for a second cup.

Tone by situation

  • Newsletter: warm, with stories from the roastery.
  • Order mistake: no jokes; a clear apology, the fix and a timeline…

Key facts

Category
Marketing & SEO · Brand strategy
Output type
Text
Level
Intermediate
Designed for
ChatGPT, Claude, Gemini and Microsoft Copilot
Verified in
Pending editorial verification
Variables
Brand and what it sells, Primary audience, Values or personality, Current copy samples and Channels
Language
English
Price
Free, no sign-up
Updated
Nov 7, 2026

Frequently asked questions

What is the difference between voice and tone?

Voice is the brand’s stable personality; tone is how that voice adjusts to each situation. The guide defines both so an apology and a promotion still sound like the same brand.

How many copy samples should I paste?

Two or three varied samples are enough for a useful diagnosis. Mix channels (for example a product page, an email and a post) to surface inconsistencies.

What is this prompt for?

Build a brand voice guide with 3-4 defined traits, a do and don’t table, tone shifts by channel, a glossary and before-and-after rewrites your team can use right away.

Which AI tools does it work with?

It is designed for ChatGPT, Claude, Gemini and Microsoft Copilot. We have not verified it in these tools yet, so results may vary between them.

How do I customize the prompt?

Click “Customize” and fill in the variables (Brand and what it sells, Primary audience, Values or personality, Current copy samples and Channels). The text updates instantly and you can then copy it in one click. Values are stored only in your browser.

Do I need experience to use it?

It is intermediate: it helps to know the topic so you can provide good context and review the result critically.

Is this prompt free?

Yes. Every HomeCasa Prompts prompt is free, with no sign-up or subscription. You can also use them in professional projects.

Can I trust the AI output?

Treat it as a high-quality draft: always check data, figures and important claims before publishing or making decisions.

Related prompts