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 prompts
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 this text in a {{tone}} tone. Keep the same meaning and length. Do not add new information.
Text:
{{text}}Write a professional email to {{recipient}} about {{subject}}. Keep it under 150 words. Tone: {{tone}}. Include one clear ask.Write 3 {{platform}} caption options for this content: {{content}}. Include a hook, value statement, and CTA. Keep under {{char_limit}} characters each.Coding prompts
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 for this function using {{framework}}. Cover happy path, edge cases, and error handling.
Function:
{{code}}Refactor this {{language}} code for readability. Rename variables descriptively, add a docstring, and keep behavior identical.
Code:
{{code}}Explain what this code does in plain English. Include inputs, outputs, side effects, and a 3-bullet summary.
Code:
{{code}}Marketing prompts
Write a landing page hero for {{product}}: headline (under 10 words), subheading (one sentence), 3 bullet benefits, and a CTA button label.Write 5 Google Ads headlines (max 30 chars each) and 2 descriptions (max 90 chars each) for {{product}}. USP: {{usp}}.Generate 10 email subject lines for a {{campaign_type}} campaign about {{topic}}. Mix curiosity, urgency, and benefit-driven approaches. Keep under 50 characters.Write a positioning statement for {{product}} vs {{competitor}}. Format: For [audience] who [need], [product] is the [category] that [key differentiator].Analysis prompts
Analyze this data and provide 5 key findings. Include totals, averages, trends, and one actionable recommendation.
Data:
{{data}}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}}Create a SWOT analysis for {{company_or_product}} in the {{market}} market. 3 bullets per quadrant. Be specific, not generic.Business prompts
Create a 30-minute meeting agenda for {{meeting_purpose}}. Include time allocations, discussion points, and one decision to be made. Attendees: {{attendees}}.Write a step-by-step SOP for {{process}}. Include prerequisites, numbered steps, expected outcomes, and common mistakes to avoid.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.
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