Free AI Tool

Free Google Ads Copy Generator

Generate Responsive Search Ad headlines and descriptions in seconds. Describe your business, add your offer and keywords, and this AI google ads headline generator writes a full set of RSA assets — every one already within Google's 30 and 90 character limits.

Describe your ad

Only the business or product is required — the more you add, the sharper the copy.

Free to use — no sign-up. Limited to 10 generations per hour.

Your generated headlines and descriptions will appear here, each with a live character counter and a copy button.

Want ad copy written, tested, and improved automatically — every day?

AdTurbo's AI runs your Responsive Search Ads for you at $149/month flat, with a 7-day free trial. Cancel anytime.

What Makes Responsive Search Ads Perform

Generating headlines is the easy part. Here's how to turn a set of RSA assets into an ad that actually earns clicks and conversions — the asset variety, the character discipline, and the intent match that separate strong ads from ones Google quietly stops serving.

1. Give Google plenty of distinct assets

A Responsive Search Ad lets you supply up to 15 headlines and 4 descriptions, and Google mixes them into different combinations to find what performs. The generator produces a full set so you're not shipping a thin ad. The key word is distinct — headlines that all say the same thing in slightly different words give the algorithm nothing to test. Aim for a spread: a couple that lead with your main keyword, a couple that lead with a benefit or outcome, one or two with a clear call to action, and one that names your offer or differentiator. Variety is what lets Google match the right message to each search.

2. Respect the character limits — every character counts

Headlines are capped at 30 characters and descriptions at 90, including spaces and punctuation. Go over and Google simply won't serve that asset, so an ad that looks finished can quietly run with half its headlines disabled. This tool enforces those limits for you and shows a live character counter on every line, but it's worth understanding why they matter: short, scannable copy reads better on mobile, where most search traffic now lives. If a headline feels cramped, cut a filler word rather than an idea.

3. Match the message to the search intent

The best-performing RSAs echo the language of the search that triggered them. If someone searches "emergency plumber near me", a headline that says "24/7 Emergency Plumber" will almost always beat a generic "Quality Plumbing Services". Feed the tool the keywords you're actually bidding on so at least a few headlines mirror that intent, then let benefit and CTA headlines round out the set. When your copy, your keywords, and your landing page all say the same thing, Quality Score rises and your cost per click falls.

4. Test the copy against a real landing page

Great ad copy only converts if the page behind it delivers on the promise. Before you scale spend, make sure the headline someone clicked matches the first thing they see after the click, and that the page loads fast and has one obvious next step. The fastest way to spot the gap between your ads and your page is to run a free Google Ads audit — it checks whether your messaging, structure, and page experience are working together or fighting each other.

Writing and testing ad copy every week is exactly the kind of job Google Ads automation handles well — the AI writes fresh RSA assets, tests them against your real account data, and quietly retires the headlines that underperform.

Google Ads copy generator: common questions

What is a Google Ads copy generator?

A Google Ads copy generator is a tool that writes ad text for you — specifically the headlines and descriptions used in Responsive Search Ads (RSAs). This free generator uses AI to produce up to 15 headlines (30 characters or fewer) and 4 descriptions (90 characters or fewer) based on your business, offer, audience, and keywords, so you have a complete, ready-to-paste starting point instead of a blank page.

What makes a Google Ads headline perform well?

High-performing headlines are specific, benefit-led, and echo the searcher's intent. The strongest RSA headline sets mix keyword-rich options that match the search term, benefit or outcome-focused options, a clear call to action, and something that names your offer or differentiator. Keeping every headline within the 30-character limit and avoiding vague filler is what separates ads that get clicks from ones Google quietly stops serving.

How many headlines and descriptions should an RSA have?

Google recommends filling as many assets as you can: up to 15 headlines and 4 descriptions. More distinct assets give the algorithm more combinations to test, which usually improves performance. That's why this generator produces a full set rather than a handful — you can delete the ones that don't fit and still ship a complete ad.

Are the character limits really that strict?

Yes. Headlines must be 30 characters or fewer and descriptions 90 characters or fewer, counting spaces and punctuation. Any asset over the limit is rejected and won't serve. This tool enforces the limits server-side and shows a live counter on each line, so everything you copy is already valid for Google Ads.

Can I use this ad copy without editing it?

You can paste it straight into Google Ads, but always review it first. AI writes strong, on-brand starting copy, but you know your business best — check that the claims are accurate, the tone fits your brand, and nothing promises something you don't actually offer. Treat the output as a fast first draft, not a final ad.

Does AdTurbo write and test ad copy automatically?

Yes. This tool is a one-off generator, but AdTurbo's AI continuously writes, tests, and refines RSA assets against your real account data — pausing weak headlines and promoting winners over time. It's the always-on version of what this generator does once. AdTurbo is $149/month flat with a 7-day free trial, and you can cancel anytime.

See where your ads and pages disagree

Great copy only converts if the page behind it delivers. Run a free audit to check whether your ads, keywords, and landing pages are pulling in the same direction.