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Blog/Free Prompt Library 2026: 50+ AI Templates for Every Use Case
Free Library8 min read•Updated Feb 2026

Free Prompt Library 2026: 50+ AI Templates for Every Use Case

The only free prompt library you need in 2026. Tested templates for writing, coding, marketing, data analysis, and business — ready to paste into Claude, ChatGPT, or Gemini.

Writing & content•Code & debugging•Marketing & ads•Analysis & business
Go beyond templates
Use our free tools to generate polished outputs instantly.
Blog Post Outline Generator →Google Ads Copy Generator →Email Subject Line Generator →

Writing prompts

Blog post outline
Create a detailed outline for a blog post about {{topic}}. Include H2/H3 structure, key points per section, a hook intro, and a CTA conclusion. Target audience: {{audience}}.
Rewrite for tone
Rewrite this text in a {{tone}} tone. Keep the same meaning and length. Do not add new information.

Text:
{{text}}
Email draft
Write a professional email to {{recipient}} about {{subject}}. Keep it under 150 words. Tone: {{tone}}. Include one clear ask.
Social media caption
Write 3 {{platform}} caption options for this content: {{content}}. Include a hook, value statement, and CTA. Keep under {{char_limit}} characters each.

Coding prompts

Debug this code
Find the bug in this {{language}} code. Explain the root cause, show the fix, and suggest how to prevent it.

Code:
{{code}}
Write unit tests
Write unit tests for this function using {{framework}}. Cover happy path, edge cases, and error handling.

Function:
{{code}}
Refactor for clarity
Refactor this {{language}} code for readability. Rename variables descriptively, add a docstring, and keep behavior identical.

Code:
{{code}}
Explain code simply
Explain what this code does in plain English. Include inputs, outputs, side effects, and a 3-bullet summary.

Code:
{{code}}

Marketing prompts

Landing page hero
Write a landing page hero for {{product}}: headline (under 10 words), subheading (one sentence), 3 bullet benefits, and a CTA button label.
Google Ads copy
Write 5 Google Ads headlines (max 30 chars each) and 2 descriptions (max 90 chars each) for {{product}}. USP: {{usp}}.
Email subject lines
Generate 10 email subject lines for a {{campaign_type}} campaign about {{topic}}. Mix curiosity, urgency, and benefit-driven approaches. Keep under 50 characters.
Competitor positioning
Write a positioning statement for {{product}} vs {{competitor}}. Format: For [audience] who [need], [product] is the [category] that [key differentiator].

Analysis prompts

Summarize data
Analyze this data and provide 5 key findings. Include totals, averages, trends, and one actionable recommendation.

Data:
{{data}}
Executive summary
Turn these raw numbers into a 3-paragraph executive summary for {{audience}}. Lead with the headline metric, add context, and end with a recommendation.

Data:
{{data}}
SWOT analysis
Create a SWOT analysis for {{company_or_product}} in the {{market}} market. 3 bullets per quadrant. Be specific, not generic.

Business prompts

Meeting agenda
Create a 30-minute meeting agenda for {{meeting_purpose}}. Include time allocations, discussion points, and one decision to be made. Attendees: {{attendees}}.
Process SOP
Write a step-by-step SOP for {{process}}. Include prerequisites, numbered steps, expected outcomes, and common mistakes to avoid.
Customer reply
Draft a professional reply to this customer message. Acknowledge their concern, provide a solution, and offer a next step. Tone: empathetic and helpful.

Customer message:
{{message}}

How to use this free prompt library

  • Copy any template and replace the {{placeholders}} with your details.
  • Be specific — the more context you give, the better the output.
  • Chain prompts: use the output of one as input to the next for multi-step workflows.
  • These work with Claude, ChatGPT, Gemini, and most LLMs. Claude handles structured prompts especially well.

FAQ

Are these prompts really free?
Yes. Every template on this page is free to copy, paste, and use with any AI model. No signup required.
Do these work with ChatGPT and Gemini too?
Yes. These prompts are model-agnostic. They work with Claude, ChatGPT, Gemini, and most other LLMs. Claude tends to handle structured and analytical prompts especially well.
How do I customize the templates?
Replace the {{placeholders}} with your specific details. The more specific you are, the better the output.
What makes a good prompt library?
Organized by use case, tested with real tasks, includes placeholders for customization, and updated regularly. That's what we aim for here.

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