The AI prompt enhancer for every AI tool
Turn a rough sentence into a structured, high-quality prompt in one click. Works inside ChatGPT, Claude, and Gemini via Chrome extension — and inside Claude Code, Cursor, and Antigravity via a macOS global hotkey.
Free to try. No account required for the demo. One account covers both products.
help me make this landing page copy more persuasive
You are a senior conversion copywriter with B2B SaaS experience. Rewrite the landing page copy I paste below to be more persuasive to a technical buyer evaluating PromptAI. Keep it under 120 words per section. Tone: confident, not salesy. Output format: the rewritten copy only, preserving the original section structure. Constraints: no hype language, no em-dashes.
What is an AI prompt enhancer?
An AI prompt enhancer is a tool that rewrites your plain-language input into a structured prompt before it reaches the AI. Instead of typing “summarize this article” and hoping the model picks the right format, the enhancer adds the pieces professional prompts include — role, context, step-by-step instructions, constraints, and output format.
PromptAI is the enhancer that meets you wherever you're already working. In the browser, it's a Chrome extension that drops a button into ChatGPT, Claude, and Gemini. On macOS, it's a desktop app that adds a global hotkey so you can enhance prompts inside Claude Code, Cursor, Antigravity, and any native app.
The goal isn't to make prompts longer. It's to make them unambiguous. A well-enhanced prompt gives the model a clear goal, a clear format, and a clear set of constraints — the difference between responses you have to rewrite and responses you can ship.
The quality gap is the prompt, not the model
People who get great AI responses and people who get mediocre ones are usually using the same model. The gap is almost entirely in how they structure the ask. Four patterns account for most of the difference.
No role assigned
“Write a product description” gives the model nothing to anchor to. “You are a senior e-commerce copywriter for premium outdoor brands” changes the output substantially — role framing activates the model's knowledge around that persona.
Ambiguous goal
“Summarize this” has three reasonable interpretations at minimum (bullets, paragraph, executive abstract). The model picks one — often not the one you wanted — and you rewrite.
No output format
The single change that produces the biggest quality jump is specifying format: “Output as a markdown table with three columns.” Most prompts skip this and the model freestyles in prose.
No constraints
Without guardrails (“under 200 words”, “avoid jargon”, “no marketing language”), the model defaults to safe, generic output that reads like every other AI response.
Five things the enhancer adds to every prompt
Role definition
A specific persona — “senior tax advisor”, “Python tutor for beginners”, “senior Go engineer reviewing a PR” — that primes the model to draw on relevant patterns. Alone, this measurably shifts tone and accuracy.
Context framing
The who, what, and why behind the request. Who is the answer for? What's already been tried? What's the actual goal beyond the surface task? Missing context is the most common reason prompts underperform.
Structured instructions
The ask broken into ordered steps or numbered requirements, rather than a run-on sentence. Ordered instructions get executed more reliably — the model doesn't have to infer which parts are instructions and which are context.
Explicit constraints
Length limits, forbidden words, required tone, audience reading level. Constraints are what stop the model from producing the safe, generic version of an answer — they force specificity.
Output format
Exactly how the answer should be shaped — markdown table, JSON, numbered list with per-item character limits, four H3 sections with code blocks. The highest-leverage change you can make to any prompt.
Every AI tool you already use
One enhancement engine, two delivery surfaces. The Chrome extension handles web AI chats. The Mac desktop app handles native coding tools and anything with a text input.
Chrome extension
Web AI chats
- ChatGPT (chatgpt.com)
- Claude (claude.ai)
- Gemini (gemini.google.com)
- Copilot (copilot.microsoft.com)
- Perplexity (perplexity.ai)
- Any site with a text input
Mac desktop app
Native apps, coding tools, any text field
- Claude Code
- Antigravity
- Cursor
- VS Code
- Warp, Ghostty, iTerm
- Any macOS text input — ⌘⇧P hotkey
Three before-and-after enhancements
One enhancement engine, different tools. Same pattern every time.
Content writing — ChatGPT, browser
write me a product description for running shoes
You are a senior e-commerce copywriter for premium athletic brands. Write a product description for a trail running shoe priced at $180, targeted at runners with 5+ years of experience who care about durability and foot stability on uneven terrain. Tone: confident, technical without jargon. Output format: a 3-sentence headline, a 60-word overview paragraph, and a 4-item bulleted feature list. Constraints: no hype words (revolutionary, game-changing), no em-dashes, include at least one specific technical detail (e.g., drop, stack height, lug depth).
Code review — Cursor, desktop
review this function for bugs
You are a senior engineer reviewing a pull request. For the function I paste below, produce a structured review with: (1) a 1-sentence summary of what the function does, (2) a bulleted list of bugs or incorrect behavior with exact line references, (3) a bulleted list of potential edge-case failures, (4) a bulleted list of readability or maintainability concerns (each marked [nit] or [important]). Constraints: do not rewrite the whole function — only suggest line-level changes. Do not flag style issues a formatter would catch.
Research — Claude, browser
what are the differences between SAML and OIDC
You are an identity engineer explaining authentication to a senior backend developer evaluating both protocols for a B2B SaaS product. Compare SAML 2.0 and OIDC along these dimensions: protocol complexity, typical integration time, browser-only vs mobile support, SSO token format, revocation model, and ecosystem maturity. Output format: a markdown table with SAML and OIDC as columns and each dimension as a row, followed by a 3-bullet recommendation section. Constraints: under 300 words total, cite specific RFC or spec names where relevant.
How a prompt enhancer compares
| Approach | Friction | Works with desktop AIs? | Best for |
|---|---|---|---|
| Write prompts by hand | High on deep work, low on trivial prompts | Yes, if you remember to apply the pattern | Prompt engineers, power users |
| Prompt templates / libraries | Medium (find, select, fill blanks) | Rarely — most are web-chat only | Repeated weekly workflows |
| Meta-prompting (ask the AI to write your prompt) | High (two turns for one task) | Yes, but still manual each time | One-off deep-dive prompts |
| PromptAI (browser + desktop) | Near-zero — one click or one hotkey | Yes — Chrome extension + Mac app | Daily use across every AI surface |
Built for daily use across every AI surface
Global hotkey on macOS
⌘⇧P enhances highlighted text anywhere — Claude Code, Cursor, Antigravity, VS Code, terminal. Rebindable in settings.
Works in every browser AI chat
The Chrome extension drops a floating button into ChatGPT, Claude, Gemini, Copilot, and Perplexity. Same one-click flow on every site.
Prompts stay private
Your text is sent only to the enhancement model and is never used for training, analytics, or shared. Metadata only — never content.
Frequently asked questions
What is an AI prompt enhancer?
An AI prompt enhancer is a tool that takes your plain-language input and rewrites it into a structured prompt before sending it to an AI. It automatically adds the role, context, instructions, constraints, and output format that professional prompts include — so you get higher-quality responses without writing scaffolding by hand. PromptAI enhances prompts in one click across ChatGPT, Claude, Gemini, and desktop tools like Claude Code, Cursor, and Antigravity.
Why use a prompt enhancer instead of writing prompts manually?
Because the pattern behind strong prompts is simple but tedious to apply every time. Role, context, structured instructions, constraints, and output format — five components that make the difference between a usable response and one you have to rewrite. An enhancer applies this pattern automatically in under a second, so you get the quality of a careful prompt without the friction of writing one.
Which AI tools does the prompt enhancer work with?
PromptAI works everywhere you send prompts. The Chrome extension enhances prompts directly inside ChatGPT, Claude, Gemini, Copilot, and Perplexity. The Mac desktop app adds a global hotkey (⌘⇧P) that works inside Claude Code, Antigravity, Cursor, VS Code, Warp, Ghostty, iTerm, and any macOS text input. One account covers both products.
Is there a free prompt enhancer?
Yes. PromptAI is free to try at promptai360.com/demo with no sign-up required for your first enhancement. The Chrome extension is free to install, and new accounts get a 5-day trial. Paid plans start at $7.99/month and add unlimited enhancements, follow-up refinement, and priority models.
Does a prompt enhancer work on Claude and Gemini as well as ChatGPT?
Yes. Well-structured prompts transfer cleanly across ChatGPT, Claude, and Gemini because all three are trained to follow the same instruction patterns. Claude tends to benefit the most from format constraints because it adheres strictly to output specifications, but all three models show measurable quality improvements from the same enhanced prompt.
Is a prompt enhancer the same as a prompt template?
No. A template is a fill-in-the-blank skeleton you have to pick, fill, and remember to use. An enhancer takes whatever you naturally type and adds the structure automatically — no selection step, no blanks. Templates are better for repeated identical tasks. Enhancers are better when your prompts vary day to day, which is the common case.
Does the prompt enhancer work on desktop coding tools like Claude Code and Cursor?
Yes. The PromptAI Mac desktop app adds a global hotkey that enhances highlighted text in any macOS app — Claude Code, Antigravity, Cursor, VS Code, Warp, and more. Highlight your rough prompt, hit ⌘⇧P, and PromptAI enhances it and pastes the result back. No copy-paste detour, no switching apps.
Does PromptAI store or train on my prompts?
No. Your prompts are sent only to the model that produces the enhancement and are not used for training, analytics, or shared with third parties. We keep the minimum metadata required for billing (enhancement counts, not content). Prompts never leave the enhancement pipeline.
How long does enhancement take?
Under one second in most cases. The enhancer runs on a small fast model tuned specifically for prompt rewriting, not on the larger models that generate the actual response. You click, the prompt is replaced, and you send it to your AI of choice.
Related reading
Try it on your next prompt
Install the Chrome extension for web AI chats, download the Mac app for desktop coding tools, or try the live demo — no account required.