Free prompt library
Prompts that actually work.
Ready-to-use prompts for real tasks. Copy one, paste it into ChatGPT, Claude, or Gemini, and fill in the blanks. Each one is written the way a prompt engineer would write it, and free.
Work
ChatGPT prompt for writing a cover letter
→Most cover letters written by ChatGPT sound generic because the prompt is generic. This one forces the model to tie your real experience to the specific job, in a human voice, instead of the usual "I am writing to express my interest" template.
ChatGPT prompt for writing a professional email
→A good email has one job and a clear ask. This prompt makes ChatGPT write emails that are short, get to the point, and make it easy for the other person to say yes, instead of the long, over-polite drafts AI usually produces.
ChatGPT prompt for meeting notes and summaries
→A raw transcript is hard to use. This prompt turns it into notes people will actually read: what was decided, who owns what, and what is still open.
ChatGPT prompt for writing a job description
→Most job descriptions are a vague wish list that attracts nobody well. This prompt makes ChatGPT write one that is honest about the role, clear about what success looks like, and easy for the right person to say yes to.
ChatGPT prompt for writing a performance review
→Performance reviews go wrong when they are vague ("great team player") or harsh without a path forward. This prompt helps ChatGPT turn your rough notes into specific, fair feedback the person can act on.
ChatGPT prompt for writing a resignation letter
→A resignation letter has one job: leave on good terms. This prompt makes ChatGPT write one that is short, professional, and warm, without burning a bridge you may need later.
Learning
ChatGPT prompt to summarize an article
→Asking ChatGPT to "summarize this" gives you a vague blob. This prompt produces a structured brief you can actually act on: the core argument, the key points, and what it means for you, at whatever length you need.
ChatGPT prompt to explain a concept simply
→Ask ChatGPT to explain something and it often answers with the same jargon that confused you. This prompt makes it explain in plain words, use an analogy, and check that it actually landed.
ChatGPT prompt to make a study plan
→A vague "help me study" gives you a generic list. This prompt makes ChatGPT build a realistic plan around your real goal, deadline, and the hours you actually have each week.
ChatGPT prompt to practice a new language
→ChatGPT is a patient language partner if you set it up right. This prompt makes it hold a real conversation at your level and correct your mistakes without breaking the flow.
Coding
ChatGPT prompt for reviewing your code
→Pasting code and asking "is this good?" gets you a vague thumbs-up. This prompt makes ChatGPT review like a senior engineer: it finds real bugs, flags edge cases, and gives you prioritized, specific feedback instead of generic praise.
ChatGPT prompt to explain code
→Pasting code and asking "what does this do?" often gets you a vague overview. This prompt makes ChatGPT explain it clearly, at the level of detail you choose, so you actually understand it.
ChatGPT prompt to debug and fix a code error
→Pasting just an error message gets you a guess. This prompt gives ChatGPT what it actually needs to debug well: the error, the code, and what you expected, so you get a real diagnosis and a clean fix.
ChatGPT prompt to write unit tests
→Ask ChatGPT for tests and you often get one test for the happy path. This prompt makes it cover what actually matters: edge cases, invalid input, and the failures that break things in production.
ChatGPT prompt to write a regular expression
→Regex is easy to get slightly wrong and hard to read. This prompt makes ChatGPT write the pattern, explain every part, and show you exactly what it matches, so you can trust it.
Writing
ChatGPT prompt for writing a blog post
→Asking ChatGPT to "write a blog post about X" gives you a flat, padded article that sounds like every other AI post. This prompt makes it pick a clear angle, write for a specific reader, and cut the filler.
ChatGPT prompt for writing a product description
→A weak product description just lists features. This prompt makes ChatGPT turn each feature into a reason to buy, written in your brand voice and short enough to actually be read.
ChatGPT prompt for writing a social media post
→Generic AI social posts are easy to spot: too polished, too many hashtags, no real voice. This prompt makes ChatGPT write a post that fits the platform and sounds like a person, not a brand robot.
ChatGPT prompt for creative writing and short stories
→Ask ChatGPT for a story and you often get a flat, rushed summary of events. This prompt gives it the building blocks of real fiction: a character who wants something, a conflict, and a reason to keep reading.
Business
ChatGPT prompt for writing a business plan
→A 30-page business plan helps no one in the early days. This prompt makes ChatGPT draft a sharp one-page plan that forces you to be clear about the customer, the problem, and how the money works.
ChatGPT prompt for writing marketing copy
→Most AI marketing copy is hype with no substance. This prompt makes ChatGPT write copy that speaks to a real customer, leads with what they get, and asks them to do one clear thing.
ChatGPT prompt for a SWOT analysis
→A SWOT analysis is only useful if it is honest and specific. This prompt makes ChatGPT produce one with real, concrete points and, more importantly, what to actually do about them.
Already have a prompt of your own?
Templates are a starting point. Deepclario takes the prompt you wrote, scores it, and rewrites it for your exact task. Free, no account needed.
Improve my prompt free