AI Prompt Library

Create, optimize, transform, and share prompts

The complete platform for prompt engineering. Organize, optimize, and share your AI prompts with advanced tools designed for ChatGPT, Claude, and Gemini.

Get weekly prompt tips

Product

  • Library
  • Gallery
  • Tools
  • Chrome Extension
  • AI Search
  • Pricing
  • How it works

Explore

  • AI Prompts
  • Business
  • Writing
  • Use Cases
  • Blog

Company

  • Grow Online Digital

    167-169 Great Portland St
    London, W1W 5PF

  • Contact Us

© 2026 AI Prompt Library. All rights reserved.

Privacy Policy Terms of Service
AI Prompt Library
Blog/10 Free AI Marketing Prompts That Actually Work [2026]
MarketingFree Prompts
April 2026
12 min read

10 Free AI Marketing Prompts That Actually Work

Stop getting generic AI output. These 10 marketing prompts are tested, structured, and ready to copy-paste into ChatGPT or Claude. Each one includes the exact prompt, why it works, and a link to try it instantly.

Most AI marketing prompts floating around the internet are vague one-liners. "Write me a blog post about marketing." "Create social media content." The output? Equally vague.

The prompts below are different. Each one uses role assignment, specific constraints, and structured output formatting — the three principles that separate prompts that "kinda work" from prompts that produce content you can actually use.

Every prompt is free to copy. No signup required. And if you want to generate results instantly without copy-pasting, we've linked to our free AI tools where applicable.

1
Email Marketing
Email Subject Line A/B Test Generator
Prompt
You are an email marketing specialist with 10+ years of experience in A/B testing.

Generate 10 email subject lines for [PRODUCT/SERVICE] targeting [AUDIENCE].

Requirements:
- 5 curiosity-driven subject lines (open loops, questions)
- 5 benefit-driven subject lines (specific outcomes, numbers)
- Each under 50 characters for mobile optimization
- Include one emoji variant for each
- Avoid spam trigger words

Format as a numbered list with the emoji variant on the next line.

Why this prompt works:

Gives the AI a clear role, specific output format, and constraints that prevent generic results.

Try this as a free tool — no prompt needed
2
Content Marketing
Blog Post Outline with SEO Intent
Prompt
Act as an SEO content strategist. Create a detailed blog post outline for the keyword "[TARGET KEYWORD]".

Target audience: [AUDIENCE]
Search intent: [informational/commercial/transactional]
Desired word count: [1500-2500]

Include:
1. SEO-optimized title (under 60 characters)
2. Meta description (under 155 characters)
3. H2 and H3 heading structure
4. 2-3 bullet points under each H2 describing what to cover
5. Internal linking opportunities (suggest 3 related topics)
6. One unique angle that differentiates from top-ranking results

End with a CTA suggestion that matches the search intent.

Why this prompt works:

Specifying search intent and word count prevents the AI from guessing. The "unique angle" instruction pushes past generic outlines.

Try this as a free tool — no prompt needed
3
Social Media
Social Media Content Repurposer
Prompt
You are a social media manager who specializes in content repurposing.

Take this content and create platform-specific versions:

Original content: [PASTE YOUR BLOG POST/ARTICLE/VIDEO TRANSCRIPT]

Create:
1. LinkedIn post (hook + insight + CTA, 150-200 words, professional tone)
2. Twitter/X thread (5-7 tweets, each under 280 chars, conversational)
3. Instagram caption (relatable opening + value + hashtags, under 2200 chars)
4. Short-form video script (30-60 seconds, hook in first 3 seconds)

For each version:
- Adapt the tone to match the platform
- Include a specific call-to-action
- Highlight the single most shareable insight from the original

Why this prompt works:

Instead of asking for "social media posts," this specifies exact formats, lengths, and tones per platform.

Try this as a free tool — no prompt needed
4
Paid Advertising
Google Ads Copy Generator
Prompt
You are a Google Ads specialist with a track record of high-CTR campaigns.

Create Google Responsive Search Ad copy for:
- Product/Service: [PRODUCT]
- Target keyword: [KEYWORD]
- Landing page URL: [URL]
- Unique selling proposition: [USP]

Generate:
- 15 headlines (max 30 characters each)
  - 5 featuring the keyword
  - 5 featuring benefits/outcomes
  - 3 featuring social proof or numbers
  - 2 with urgency or CTAs
- 4 descriptions (max 90 characters each)
  - 2 benefit-focused
  - 1 with social proof
  - 1 with CTA

Pin suggestion: Which headline should be pinned to position 1 and why.

Why this prompt works:

The breakdown by headline type ensures variety. Pinning suggestions show strategic thinking beyond just copy generation.

Try this as a free tool — no prompt needed
5
Strategy
Customer Persona Deep Dive
Prompt
You are a market research analyst specializing in B2B/B2C customer personas.

Create a detailed customer persona for [BUSINESS TYPE] selling [PRODUCT/SERVICE] at [PRICE POINT].

Include:
1. Demographics (age, role, income, location)
2. Psychographics (values, fears, aspirations)
3. Buying behavior (research process, decision triggers, objections)
4. Content preferences (platforms, formats, influencers they follow)
5. Day-in-the-life scenario showing where [PRODUCT] fits
6. Top 3 objections and how to address each
7. Exact phrases they use when describing their problem (voice-of-customer language)

Make the persona feel like a real person, not a marketing template. Give them a name and a specific scenario.

Why this prompt works:

The "voice-of-customer language" instruction is key - it produces copy-ready phrases you can use in ads and landing pages.

6
Email Marketing
Email Nurture Sequence Builder
Prompt
You are an email marketing strategist who specializes in automated nurture sequences.

Design a 5-email nurture sequence for [BUSINESS] targeting [AUDIENCE] who downloaded [LEAD MAGNET].

Goal: Move subscribers from awareness to [purchase/demo request/trial signup].

For each email, provide:
1. Send timing (days after signup)
2. Subject line (with one alternative)
3. Email body (150-250 words)
4. Primary CTA (button text + destination)
5. P.S. line

Sequence arc:
- Email 1: Deliver value, set expectations
- Email 2: Address biggest pain point
- Email 3: Social proof / case study
- Email 4: Overcome #1 objection
- Email 5: Clear offer with urgency

Tone: [conversational/professional/authoritative]

Why this prompt works:

The sequence arc prevents five random emails. Each email has a strategic purpose that builds toward conversion.

Try this as a free tool — no prompt needed
7
Conversion
Landing Page Copy Framework
Prompt
You are a conversion copywriter who has written landing pages generating $10M+ in revenue.

Write landing page copy for [PRODUCT/SERVICE] using the PAS (Problem-Agitate-Solve) framework.

Target audience: [AUDIENCE]
Price point: [PRICE]
Primary conversion goal: [GOAL]

Sections needed:
1. Hero headline + subheadline (benefit-driven, under 10 words for headline)
2. Problem section (3 specific pain points with emotional language)
3. Agitate (why ignoring this problem costs them)
4. Solution intro (how [PRODUCT] solves it, 3 bullet points)
5. Social proof block (suggest what types of proof to include)
6. Feature-to-benefit grid (3 features, each mapped to an outcome)
7. Objection handler (address top 3 objections)
8. CTA section (headline + button text + risk reversal)

Write in second person. Use short paragraphs. No jargon.

Why this prompt works:

The PAS framework gives structure. Specifying "feature-to-benefit mapping" prevents feature-dumping without explaining value.

Try this as a free tool — no prompt needed
8
SEO
SEO Meta Description Batch Generator
Prompt
You are an SEO specialist focused on improving click-through rates from search results.

Generate optimized meta descriptions for these pages:

[LIST YOUR PAGE TITLES AND URLS]

For each page:
1. Primary meta description (under 155 characters, includes target keyword naturally)
2. Alternative version (different angle/hook)
3. Suggested title tag improvement (if applicable)

Rules:
- Include a clear value proposition or benefit
- Use active voice
- Include one call-to-action word (discover, learn, get, try)
- Front-load the most important information
- Never start with "This page" or "Welcome to"
- Make each description unique — no templates

Why this prompt works:

The "never start with" constraints eliminate the most common AI-generated meta description patterns.

Try this as a free tool — no prompt needed
9
Strategy
Competitor Content Gap Analyzer
Prompt
You are a competitive intelligence analyst specializing in content marketing.

Analyze the content strategy differences between my brand and a competitor:

My brand: [YOUR BRAND/URL]
Competitor: [COMPETITOR BRAND/URL]
Industry: [INDUSTRY]

Based on common content patterns in [INDUSTRY], identify:

1. Topics they likely cover that we probably don't (content gaps)
2. Content formats they use that we should consider (video, podcasts, tools, calculators)
3. Keywords they likely target based on their positioning
4. Content angles we could own that they haven't claimed
5. Quick-win content ideas (low effort, high potential impact)

For each gap, rate: Difficulty (1-5) | Impact potential (1-5) | Priority (calculate)

Provide a 30-day action plan to close the top 3 gaps.

Why this prompt works:

The difficulty/impact rating system makes the output immediately actionable instead of just a list of ideas.

Try this as a free tool — no prompt needed
10
Brand
Brand Voice Consistency Checker
Prompt
You are a brand strategist and editorial director.

I'm going to give you our brand voice guidelines, then a piece of content to review.

Brand voice guidelines:
- Tone: [e.g., confident but not arrogant, helpful but not patronizing]
- Vocabulary: [words we use vs. words we avoid]
- Sentence style: [e.g., short sentences, active voice, conversational]
- Audience: [who we're talking to]

Content to review:
[PASTE CONTENT]

Analyze the content and provide:
1. Brand voice alignment score (1-10) with justification
2. Specific sentences that break voice guidelines (quote them)
3. Rewritten versions of those sentences that match our voice
4. Overall tone assessment (is it consistent throughout?)
5. 3 specific suggestions to make this more "on-brand"

Be direct. Don't sugar-coat issues.

Why this prompt works:

Giving the AI your actual brand guidelines as context produces far more useful feedback than asking it to "check the tone."

Try this as a free tool — no prompt needed

Want 30 more marketing prompts?

Download our free Marketing Prompt Pack — 30 tested prompts for blog outlines, email subjects, social repurposing, and brand voice checks.

How to Get the Best Results from These Prompts

1. Fill every bracket

The [PLACEHOLDERS] aren't optional. The more specific you are — "B2B SaaS founders, Series A, selling to enterprise" vs. "business owners" — the better the output.

2. Iterate, don't restart

If the first output is 80% there, tell the AI what to fix. "Make the tone more casual" or "Replace the third headline with something using a number" is faster than re-prompting from scratch.

3. Save what works

When you dial in a prompt that produces great results for your brand, save it. You'll use it dozens of times. A free prompt library makes this effortless.

Skip the Prompts — Use Our Free Tools Instead

Don't want to copy-paste prompts? These free tools have the prompts built in. Just fill in your details and get instant results.

Email Subject Line Generator
Generate A/B test subject lines instantly
Blog Post Outline Generator
SEO-optimized outlines in seconds
Google Ads Copy Generator
RSA headlines and descriptions
Brand Voice Calibrator
Check content against your brand guidelines
Content Calendar Generator
Plan a month of content in minutes
SEO Meta Bulk Generator
Batch-generate meta descriptions

Browse all 34 free AI tools or explore 1,000+ prompt templates in the gallery.

Frequently Asked Questions

Do these AI marketing prompts work with ChatGPT and Claude?

Yes. All 10 prompts are model-agnostic and tested with both ChatGPT (GPT-4) and Claude. They use structured formatting and clear constraints that work well across any modern LLM. You may get slightly different outputs, but the quality will be high on both.

How do I customize these prompts for my business?

Replace the bracketed placeholders like [PRODUCT], [AUDIENCE], and [KEYWORD] with your specific details. The more specific you are, the better the output. For example, instead of "small business owners," try "SaaS founders with 10-50 employees who sell to enterprise."

Can I use AI-generated marketing content as-is?

Use it as a strong first draft. AI-generated content typically needs light editing for brand voice, fact-checking for any specific claims, and personalization with real examples from your business. These prompts are designed to minimize editing by being highly specific upfront.

What makes a marketing prompt "actually work" vs a generic one?

Three things: specificity (exact formats, word counts, and constraints), role assignment (telling the AI to act as a specialist), and structure (breaking the request into numbered sections). Generic prompts like "write me an email" produce generic output. These prompts eliminate ambiguity.

Get 10 Free AI Prompt Templates

Join 2,000+ professionals getting weekly prompt tips and templates. No spam, unsubscribe anytime.

Related Articles

Marketing

Email Marketing Prompts: 40 Ready-to-Use AI Templates (2026)

Copy-paste email marketing prompts for outreach, nurture, win-backs, and launches. Tested with Claude, ChatGPT, and Gemini.

7 min read

Marketing

Copywriting Prompts: 25 High-Converting Templates

Benefit-first copywriting prompts for headlines, landing pages, emails, and ads—plus tools to polish them fast.

6 min read

Marketing

Email Subject Line Prompts: AI Templates for Higher Open Rates (2026)

Free email subject line prompts for ChatGPT and Claude. Generate subject lines that get opened. Templates for newsletters, sales, and marketing emails.

8 min read

Free Prompt Packs

Download tested prompt templates — no signup required to preview.

50 AI Prompts for Freelancers
Cold emails, proposals, case studies, and more — tested and ready to use.
30 Marketing Prompts That Actually Work
Blog outlines, email subjects, social repurposing, and brand voice checks.
25 AI Prompts for Solopreneurs
Product descriptions, captions, customer replies, and idea validation.

Want all 1,000+ prompts?

Save, organize, and optimize your best prompts — free.

Create free account