AI prompts

A growing collection of free utilities — calculators, converters, and generators that work right in your browser. No sign-up, no install.

coding

codingclaude / chatgpt / cursor

Senior code reviewer prompt — finds bugs, perf issues, edge cases

A reusable prompt for Claude/ChatGPT/Cursor that turns the model into a senior reviewer focused on correctness, performance, and edge cases — not nitpicks.

writing

writingchatgpt / claude / any

Email rewriter prompt — clear, concise, tone-controlled

Rewrite any email draft to be clearer and shorter without losing the message. Pick a tone (warm / neutral / firm) and a length target.

writingclaude / chatgpt / any

Blog post outline prompt — H2/H3 structure with intent and word counts

Generate a tight, search-friendly outline for a blog post: H2/H3 hierarchy, intent per section, target word counts, and the questions each section answers.

design

designmidjourney

Midjourney portrait prompt — controllable face, lighting, lens, mood

A modular Midjourney prompt template for portraits with explicit control over subject, framing, lighting, lens, mood, and style. Avoids the generic 'AI portrait' look.

research

researchclaude / perplexity / chatgpt

Research summary prompt — extract claims, evidence, and contradictions

Turn long PDFs, papers, or reports into a structured summary that distinguishes claims from evidence, surfaces contradictions, and quotes source pages so you can verify.

researchclaude / chatgpt / any

User interview script prompt — past behavior, no leading questions

Generate a 30-minute user interview script with open questions, follow-ups for each, and strict no-leading rules. Modeled on Mom Test principles.

business

businesschatgpt / claude / any

Meeting prep prompt — agenda, decisions, async-or-meeting check

Generate a sharp meeting agenda from rough notes, including time budget, decisions to be made, and a 'should this be async' check at the top.

marketing

marketingclaude / chatgpt / any

Ad copy variants prompt — 6 angles, 3 lengths, no filler

Generate 6 distinct ad copy variants for the same offer — different persuasive angles (problem, outcome, identity, social proof, scarcity, comparison), each in three ad-platform-ready lengths.