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Explain Code Prompt

Understand unfamiliar code: what it does, step by step, at the level you choose. Fill in the blanks and the prompt writes itself, ready to copy into ChatGPT, Claude, Gemini, or Copilot. Nothing you type is sent to our server.

Fill in the blanks

Code

My level (optional)

Your prompt

244 characters · ≈ 61 tokens

Explain the code below to a junior developer.

1. One sentence: what does it do?
2. Walk through it step by step.
3. Give a small example of using it, with the result.
4. Point out anything surprising, risky, or worth improving.

```
[Code]
```

Still to fill in:

This prompt is too long to open by link. Copy it and paste it into the chat instead.

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Share links keep your answers after the # in the address, which browsers never send to a server. Saved prompts stay in this browser only.

Your saved prompts

Example: Explain Code Prompt filled in

Explain the code below to a junior developer.

1. One sentence: what does it do?
2. Walk through it step by step.
3. Give a small example of using it, with the result.
4. Point out anything surprising, risky, or worth improving.

```
const debounce = (fn, ms) => {
  let t;
  return (...args) => {
    clearTimeout(t);
    t = setTimeout(() => fn(...args), ms);
  };
};
```

Tips for better results

Follow up with "what would break if I removed line X?" to check you really understand it.
Check facts, names, and numbers in the answer. AI models can sound sure and still be wrong.
Not quite right? Reply with what to change ("shorter", "less formal") instead of starting over.

Code Review Get a thorough code review: bugs, security issues, and readability, ranked by severity. Debug an Error Find the cause of an error message or bug, with the most likely fix first. Write a Function Describe what a function should do and get clean, tested code with edge cases handled. SQL Query Writer Describe your tables and the question, and get a correct, readable SQL query.

Prompt library

26 fill-in-the-blank templates. Each has its own page you can bookmark.

Writing Blog Post Writer Write a well-structured blog post on any topic, for a set reader, with headings, a hook, and a clear takeaway. Writing Rewrite & Improve Text Make any text clearer, shorter, or more professional while keeping its meaning, and see what changed. Writing Summarize Text Turn long articles, reports, or transcripts into a short summary with the key points and action items. Writing Proofread & Fix Grammar Fix spelling, grammar, and punctuation without changing your voice, with a list of every correction. Email & Work Professional Email Write a clear, polite email for any work situation: requests, follow-ups, apologies, or bad news. Email & Work Reply to an Email Paste an email you received and get a reply that answers every question and says what you want to say. Email & Work Meeting Notes & Action Items Turn a messy meeting transcript or rough notes into clean minutes with decisions and action items. Email & Work Customer Support Reply Answer a customer message with empathy, a clear fix, and the right policy, in your brand voice. Marketing Product Description Write product descriptions that sell: benefits first, scannable bullets, and an SEO-friendly title. Marketing Social Media Posts Create a batch of social posts for Instagram, LinkedIn, X, or Facebook, with hooks and hashtags. Marketing SEO Title & Meta Description Get click-worthy SEO titles and meta descriptions that fit Google's length limits. Marketing Ad Copy (Google & Meta Ads) Write headline and description variations for Google Ads or Facebook and Instagram ads to test. Marketing Cold Outreach Email Write a short, personal cold email that gets replies, plus two follow-ups. Coding Code Review Get a thorough code review: bugs, security issues, and readability, ranked by severity. Coding Debug an Error Find the cause of an error message or bug, with the most likely fix first. Coding Write a Function Describe what a function should do and get clean, tested code with edge cases handled. Coding Explain Code Understand unfamiliar code: what it does, step by step, at the level you choose. Coding SQL Query Writer Describe your tables and the question, and get a correct, readable SQL query. Learning Explain Like I'm New Learn any concept with a simple explanation, an analogy, an example, and a quick check. Learning Study Plan Get a realistic week-by-week study plan for an exam, a skill, or a new language. Learning Quiz & Flashcards Turn notes or a topic into a quiz or flashcards, with answers and explanations. Career Cover Letter Write a tailored cover letter that matches your experience to the job, without clichés. Career Resume Bullet Points Turn job duties into strong, results-focused resume bullets that pass ATS keyword checks. Career Job Interview Practice Practice a job interview with an AI interviewer that asks real questions and gives feedback. Career LinkedIn About Section Write a LinkedIn About section and headline that show who you help and what you are good at. Images AI Image Prompt Build detailed prompts for Midjourney, ChatGPT images, Gemini, Flux, or Stable Diffusion.

About the AI Prompt Builder & Library

Most weak AI answers come from vague prompts. A good prompt says who the AI should act as, what to do, the background it needs, who the answer is for, and what the result should look like. This builder puts those parts in a simple form, and the library has ready-made templates for common jobs, each written to stop the AI from inventing facts. Copy the finished prompt, open it straight in ChatGPT or Claude, share it as a link, or save it in your browser.

How to use it

1 Pick a template from the library, or use the builder for anything else.
2 Fill in the blanks. The prompt updates as you type, and anything required but empty shows in [brackets].
3 Copy the prompt, or open it in ChatGPT or Claude. Save it or copy a share link to use it again.

Frequently asked questions

What makes a good AI prompt?

Be specific about five things: the role (who the AI should be), the task (start with a verb), the context (background and goal), the audience, and the output (format, length, and tone). Add rules for what to avoid, and an example if you have one. Asking the model to say when it is not sure also cuts down on made-up answers.

Do these prompts work with Claude, Gemini, and Copilot?

Yes. The prompts are plain text, so they work in ChatGPT, Claude, Gemini, Microsoft Copilot, Perplexity, DeepSeek, and local models. The "Open in" buttons fill the prompt in for you on ChatGPT and Claude; for the others, copy and paste it.

Why does my prompt show text in [brackets]?

Brackets mark a required blank you have not filled in yet, such as [Topic]. Fill it in, or replace it in the chat before sending, so the AI does not guess.

Is what I type saved or sent anywhere?

No. The prompt is built in your browser. Share links keep your answers after the # in the address, a part browsers never send to a server, and saved prompts are stored only in this browser. Opening a prompt in ChatGPT or Claude sends it to that service, as pasting would.

Should I put private information in a prompt?

Be careful. Remove passwords, API keys, account numbers, and other people's personal details before you paste anything into an AI chat, and check your chat app's settings for whether conversations are used for training.

How long should a prompt be?

As long as it needs to be clear. A few precise sentences beat a long, vague one, but pasting the full document, error, or job posting you are asking about usually helps a lot. The token estimate shows roughly how much of the model's limit the prompt uses.

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