- The responsive search ad limits to put in every prompt
- Prompts to brief ChatGPT on your offer
- Prompts to write headlines and descriptions
- Prompts for different angles
- Prompts for keywords and structure
- Prompts to review and improve ads
- Prompts for seasonal and local ads
- How to get better Google Ads copy from ChatGPT
- My advice on ChatGPT prompts for Google Ads
- Frequently asked questions
The best ChatGPT prompts for Google Ads give it your offer, audience, search intent and the exact character limits, then ask for many varied headlines and descriptions. Google says responsive search ad headlines can be up to 30 characters and descriptions up to 90, with up to 15 headlines and 4 descriptions per ad, so ask ChatGPT to count.
Writing Google Ads copy is a strange skill, and it's one I've had to learn the hard way: you've got a handful of characters to match what someone just searched and give them a reason to click. ChatGPT is very good at producing lots of options quickly, which is exactly what responsive search ads need. It's less good at counting characters, and it doesn't know your offer, so these prompts give it both the facts and the limits. You'll still want to edit, but you won't be staring at a blank box.
The responsive search ad limits to put in every prompt
From Google Ads Help:
| Element | Limit | What to ask ChatGPT for |
|---|---|---|
| Headlines | Up to 30 characters each, up to 15 per ad | 15 distinct headlines, each with a character count |
| Descriptions | Up to 90 characters each, up to 4 per ad | 4 descriptions that work in any order |
| Display path fields | Up to 15 characters each | Two short path words that echo the search |
| Double-width languages | Each character counts as 2 (Korean, Japanese, Chinese) | Halve your targets if you write in those languages |
The catch: Google assembles your headlines and descriptions into many combinations. Every headline has to make sense next to any other, so ask ChatGPT for headlines that stand alone and don't repeat each other. And ask it to show the character count for each line, then check them in the Google Ads editor before you publish.
Prompts to brief ChatGPT on your offer
Start here so the copy isn't generic.
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I'm writing Google Ads for [business] selling [product or service] to [audience] in [area]. My main benefits are [list]. Ask me any questions you need before writing copy.
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Here's my landing page text: [paste]. Pull out the benefits, proof points and calls to action I could use in ads.
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List the different reasons someone might search for [service], and which message would suit each type of searcher.
Prompts to write headlines and descriptions
Ask for variety and counts.
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Write 15 Google Ads headlines for [offer], each 30 characters or fewer. Show the character count after each. Mix benefits, features, proof, calls to action and the keyword [keyword].
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Write 4 descriptions of up to 90 characters each for the same ad. Each must make sense on its own and with any of the headlines. Show the character counts.
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Rewrite these headlines so none repeats a word from another, and all stay under 30 characters: [paste headlines].
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Write headlines that include the keyword [keyword] naturally in different positions, each under 30 characters.
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Suggest two display path words of up to 15 characters each for an ad about [service].
Prompts for different angles
Different searchers respond to different reasons.
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Write five headlines focused on speed, five on trust and five on results for [offer], all under 30 characters.
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Write ad copy aimed at someone comparing providers of [service], highlighting what makes us different: [list].
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Write ad copy for people searching urgently for [service], with a clear, immediate call to action.
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Write a set of headlines that answer the objection [common objection] without sounding defensive.
Prompts for keywords and structure
Organise before you write.
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Want AI doing the heavy lifting in your marketing?
I build the systems that handle the boring 80 percent, so you get your week back. Done properly, with the human kept in.
Group these keywords into tightly themed ad groups and suggest a headline theme for each group: [paste keywords].
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Suggest negative keywords I should consider for a [business] advertising [service], with a reason for each.
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For the ad group [theme], list the search intent behind it and the message the ad should lead with.
Prompts to review and improve ads
Fresh eyes on copy you've stared at too long.
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Review these headlines and descriptions. Which are weakest, and why? Suggest stronger replacements within the character limits: [paste].
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Check this ad copy for claims I might need to prove or that could break advertising rules, such as superlatives: [paste].
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Rewrite this ad so it matches the wording on my landing page more closely: ad [paste], landing page [paste].
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Write sitelink text and short descriptions for four pages on my site: [list pages].
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Which of these headlines would you pin to position one, and why? Remember Google says pinning limits the combinations it can test: [paste].
Prompts for seasonal and local ads
Small changes that make an ad feel current and close by.
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Write five headlines for [offer] that mention [season or event] without dating the ad so badly it can't run next week. Keep each under 30 characters.
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Write headlines that mention [town or area] naturally for a local [business], each under 30 characters, so searchers can see we're nearby.
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Write two descriptions that mention our opening hours and how quickly people can book, each under 90 characters.
How to get better Google Ads copy from ChatGPT
- Give it your offer, audience and landing page text, not just a keyword.
- State the limits in every prompt: 30 characters for headlines, 90 for descriptions, 15 for paths.
- Ask for a character count on every line, then check it in Google Ads.
- Ask for headlines that stand alone and don't repeat each other, because Google mixes them.
- Make sure every claim in the ad is true and backed up on the landing page.
An ad is only as good as the page it sends people to, so read my guide to landing page builders that get more leads and my take on why websites don't convert leads. For fresh creative angles across channels, my ad angle generator prompt pack is a good companion.
My advice on ChatGPT prompts for Google Ads
Use ChatGPT to generate a big, varied pool of headlines and descriptions, then edit hard. Give it the real benefits and the exact limits, insist on character counts and variety, and make sure every claim matches your landing page. Google does the testing once the ad is live; your job is to give it strong, distinct options. ChatGPT makes that part fast.
Frequently asked questions
Can ChatGPT write Google Ads?
Yes. Give it your offer, audience and the character limits, and it can write many headline and description options. Check counts and claims before publishing.
How long can Google Ads headlines be?
Google Ads Help says responsive search ad headlines support up to 30 characters, and descriptions up to 90 characters each.
How many headlines can a responsive search ad have?
Google says you can provide up to 15 headlines and 4 descriptions for a single responsive search ad.
Why should Google Ads headlines not repeat each other?
Google assembles headlines and descriptions into combinations, so each one should make sense on its own and alongside the others.
Do characters count differently in some languages?
Yes. Google says every character in a double width language like Korean, Japanese or Chinese counts as 2 characters.
