Better AI prompts in seconds
Free prompt generators and optimizers that help you get dramatically better results from ChatGPT, Claude, Gemini and more.
Prompt Generators
Tell us what you need and get a detailed, ready-to-paste prompt built for it.
SEO Prompt Generator
Build prompts for keyword-rich, search-optimized content.
Open tool →Blog Prompt Generator
Generate prompts for full blog posts in any niche.
Open tool →Blog Outline Generator
Turn a topic into a structured blog outline prompt.
Open tool →Email Prompt Generator
Craft prompts for cold, sales and newsletter emails.
Open tool →Product Description Generator
Write prompts for converting product descriptions.
Open tool →Resume Prompt Generator
Build prompts for resumes, summaries and bullets.
Open tool →LinkedIn Prompt Generator
Generate prompts for LinkedIn posts and profiles.
Open tool →Facebook Ad Prompt Generator
Create prompts for scroll-stopping Facebook ads.
Open tool →Google Ads Prompt Generator
Prompts for high-CTR Google Ads headlines & copy.
Open tool →YouTube Prompt Generator
Prompts for titles, scripts and video descriptions.
Open tool →Image Prompt Generator
Detailed prompts for Midjourney, DALL·E & SDXL.
Open tool →Code Prompt Generator
Precise prompts for coding tasks and debugging.
Open tool →SQL Query Generator
Describe your data and get a prompt for the SQL query.
Open tool →Instagram Caption Generator
Prompts for captions, hooks and hashtags that pop.
Open tool →TikTok Script Generator
Prompts for scroll-stopping TikTok hooks and scripts.
Open tool →Twitter / X Thread Generator
Prompts for viral X posts and threads.
Open tool →Cover Letter Generator
Prompts for tailored, job-specific cover letters.
Open tool →Midjourney Prompt Generator
Detailed Midjourney prompts with parameters.
Open tool →AI Photo & Headshot Generator
Prompts to edit photos, make AI headshots & restyle images.
Open tool →AI Video Prompt Generator
Prompts for Veo, Runway, Kling, Pika & Luma AI video.
Open tool →Custom GPT Instructions Generator
Write system instructions for custom GPTs & Claude Projects.
Open tool →Image to Prompt Generator
Turn any image into a detailed, reusable AI art prompt.
Open tool →Excel Formula Generator
Describe a task, get a prompt for the Excel or Sheets formula.
Open tool →Regex Generator
Describe a pattern and get a prompt for the exact regex.
Open tool →Email Reply Generator
Prompts to draft the perfect reply to any email.
Open tool →Prompt Optimizers
Already have a prompt? Make it clearer, shorter or tuned to a specific AI model.
Prompt Optimizer
Rewrite any prompt to be clearer and more effective.
Open tool →Prompt Enhancer
Add structure, detail and context to a prompt.
Open tool →Prompt Shortener
Compress wordy prompts while keeping intent.
Open tool →ChatGPT Prompt Optimizer
Tune prompts specifically for ChatGPT / GPT-4o.
Open tool →Claude Prompt Optimizer
Tune prompts for Anthropic Claude models.
Open tool →Gemini Prompt Optimizer
Tune prompts for Google Gemini models.
Open tool →Why PromptTool.co?
Instant & free
No accounts, no limits, no cost. Build a high-quality prompt and copy it in seconds.
Private by design
Prompts are assembled in your browser. We never store what you type.
Works everywhere
Every prompt is model-agnostic — paste it into ChatGPT, Claude, Gemini or Copilot.
Free AI prompt tools for every task
PromptTool.co is a free collection of AI prompt generators and optimizers designed to help you get better results from large language models. Instead of staring at a blank chat box, you answer a few simple questions and get a detailed, structured prompt engineered using prompt-engineering best practices — role, task, context, format and constraints.
Whether you're writing SEO content, cold emails, Facebook and Google ads, LinkedIn posts, resumes, product descriptions, blog outlines, YouTube scripts or AI art prompts, there's a tool built for the job. And if you already have a prompt, our optimizers will rewrite it for clarity, compress it to save tokens, or tune it specifically for ChatGPT, Claude or Gemini. Everything is free, requires no sign-up, and works with any AI model.