Prompt Library

Gemini branding prompts for voice and messaging, not mockups

15 copy-paste prompts

Paste positioning docs, customer quotes, and copy samples. Gemini drafts messaging maps, voice rules, and tagline options with [VERIFY] on unproven traits. You design visuals elsewhere.

In short: This page contains 15 copy-paste ready prompts, organized into 5 categories with a description and pro tip for each. The first 5 prompts are free instantly, no signup needed. Drafted with AI writing assistance and checked against our editorial policy.

Louis Corneloup
By Louis Corneloup Β· Founder, Techpresso
Last updated Β·Drafted with AI assistance (how we make prompts)

Positioning

3 prompts

Positioning statement draft

1/15

✨ What it does

Gemini drafts positioning from [NOTES] and [PROOF], tagging weak proof [VERIFY]. Strengthen proof before external launch.

Audience: [AUDIENCE]. Category: [CATEGORY]. Differentiator notes: [NOTES]. Proof: [PROOF]. Draft positioning statement. Tag if proof weak [VERIFY].

πŸ’‘

Pro tip: Differentiator must appear in [NOTES]. Gemini will not invent market research.

Messaging hierarchy

2/15

✨ What it does

Gemini builds messaging hierarchy from [PILLARS] and [PROOF LIST], tagging missing proof [VERIFY]. Design slides only after proof row is clean.

Brand pillars: [PILLARS]. Proof per pillar: [PROOF LIST]. Hierarchy: pillar, message, proof, CTA. Tag missing proof [VERIFY].

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Pro tip: One CTA per pillar max. Multiple CTAs dilute hierarchy.

Competitive contrast table

3/15

✨ What it does

Gemini contrasts [US NOTES] and [THEM NOTES] with proof or [VERIFY]. Legal reviews competitor claims before ads go live.

Us: [US NOTES]. Them: [THEM NOTES]. Table: theme, us, them, proof cite or [VERIFY]. No invented competitor features.

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Pro tip: Them notes must be from your research paste. Gemini will not spy on competitors.

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Voice and tone

3 prompts

Voice guide from samples

4/15

✨ What it does

Gemini extracts voice rules from [SAMPLES], tagging thin sample sets [VERIFY]. Add samples until forbidden words list is real.

Samples: [SAMPLES]. Extract: sentence length, vocabulary, forbidden words, POV, humor level with examples quoted. Tag if sample set thin [VERIFY].

πŸ’‘

Pro tip: Minimum three samples. One email is not a voice guide.

Tone shift for audience

5/15

✨ What it does

Gemini adjusts tone rules for [AUDIENCE] with before/after lines, tagging missing samples [VERIFY]. Test adjusted copy with one customer interview.

Base voice: [VOICE RULES]. New audience: [AUDIENCE]. Adjust tone rules only, with before/after example line from [SAMPLES]. Tag if sample missing [VERIFY].

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Pro tip: Tone shift is not a new brand. Keep vocabulary rules unless [AUDIENCE] requires change.

Word substitution list

6/15

✨ What it does

Gemini builds substitution list from [BANNED] and [SAMPLES], tagging missing alternatives [VERIFY]. Writers paste list into doc template.

Banned words: [BANNED]. Samples: [SAMPLES]. Table: banned, preferred alternative found in samples, example sentence. Tag if no alternative in samples [VERIFY].

πŸ’‘

Pro tip: Preferred words must appear in [SAMPLES]. Do not accept invented synonyms.

Taglines and naming

3 prompts

Tagline options from proof

7/15

✨ What it does

Gemini generates ten taglines from [PROOF] and [VALUES], tagging unproven claims [VERIFY]. Shortlist three and test with customers before trademark search.

Proof points: [PROOF]. Values: [VALUES]. 10 tagline options under 8 words each tied to proof or [VERIFY]. No clichΓ©s list: best, leading, innovative without proof.

πŸ’‘

Pro tip: Trademark search is human work. Gemini only drafts words.

Product name criteria

8/15

✨ What it does

Gemini writes naming criteria and candidate directions from [CONSTRAINTS], tagging missing constraints [VERIFY]. Run trademark screen on finalists yourself.

Product: [PRODUCT]. Constraints: [CONSTRAINTS]. Naming criteria checklist and 15 candidate directions described in words only, no final pick. Tag if constraint missing [VERIFY].

πŸ’‘

Pro tip: Directions are words, not logos. Do not ask Gemini for image prompts here.

Elevator pitch 30 seconds

9/15

✨ What it does

Gemini writes a 75-word pitch from [POSITIONING] and [PROOF], tagging missing proof [VERIFY]. Time yourself reading aloud before the event.

Positioning: [POSITIONING]. Proof: [PROOF]. Write 75-word spoken pitch. Tag if proof not in paste [VERIFY].

πŸ’‘

Pro tip: Spoken pitch needs short sentences. Cut jargon after first draft.

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Campaign messaging

3 prompts

Campaign brief one-pager

10/15

✨ What it does

Gemini briefs campaign from [CAMPAIGN] and [OFFER NOTES], tagging missing offer details [VERIFY]. Media buyer receives brief before creative production.

Campaign: [CAMPAIGN]. Goal: [GOAL]. Channels: [CHANNELS]. Brief: audience, message, proof, offer from [OFFER NOTES]. Tag missing offer detail [VERIFY].

πŸ’‘

Pro tip: Offer terms must be pasteable facts. Expiration dates or [VERIFY].

Email subject test matrix

11/15

✨ What it does

Gemini builds subject test matrix from [MESSAGE] and [SEGMENTS], tagging undefined segments [VERIFY]. Run A/B after compliance approves subjects.

Message: [MESSAGE]. Segments: [SEGMENTS]. Matrix: segment, subject line option, proof hook from [MESSAGE]. Tag if segment undefined [VERIFY].

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Pro tip: Proof hook must be in [MESSAGE]. Curiosity subjects without proof fail compliance.

Landing hero copy brief

12/15

✨ What it does

Gemini briefs hero copy from [PROOF] and [OBJECTIONS], tagging weak proof [VERIFY]. Designer layouts after copy brief sign-off.

Hero proof: [PROOF]. Objections: [OBJECTIONS]. Brief headline, subhead, CTA, trust row content. Tag weak proof [VERIFY].

πŸ’‘

Pro tip: Hero brief is not final copy. Writer expands after brief approved.

Governance

3 prompts

Brand review checklist

13/15

✨ What it does

Gemini checks [COPY] against [RULES] with pass/fail quotes, tagging untestable rules [VERIFY]. Brand lead signs checklist before publish.

Draft copy: [COPY]. Voice rules: [RULES]. Checklist pass/fail per rule with quote. Tag if rule untestable [VERIFY].

πŸ’‘

Pro tip: Untestable rules should be rewritten, not ignored.

Rebrand communication outline

14/15

✨ What it does

Gemini outlines rebrand comms from [SUMMARY] and [STAKEHOLDERS], tagging missing launch date [VERIFY]. Exec approves timeline before all-hands.

Change summary: [SUMMARY]. Stakeholders: [STAKEHOLDERS]. Outline internal and external comms timeline. Tag if launch date missing [VERIFY].

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Pro tip: Internal comms before external. Outline should say that order.

Partner co-brand rules

15/15

✨ What it does

Gemini drafts co-brand copy rules from [RULES] and [PARTNER], tagging unknown logo use [VERIFY]. Legal signs partner brand addendum.

Our brand rules: [RULES]. Partner notes: [PARTNER]. Draft co-brand do and do-not list for copy only. Tag if partner logo use unknown [VERIFY].

πŸ’‘

Pro tip: Logo placement is legal and design. This prompt is copy-only.

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Frequently Asked Questions

No. These prompts stay inside Gemini's official product. It only uses official Gemini, including Gems if you have them. If a setting is missing on your plan, the prompt says so.
A current Gemini account. Some features sit on paid plans. The prompts still work as checklists if a feature is off.
Every prompt tells it to use only what you paste and to tag gaps as [VERIFY]. You still check the brand voice guide before you save it.
Yes to copy. Running them needs your Gemini account. Long files fit better on a paid plan.
No. It is a draft of your brand voice guide. You own the facts, the files, and whatever your job or policy requires.

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