Avexora Tools

AI Ad Copy Generator

Free AI ad copy generator for Google and Facebook/Instagram ads. Get benefit, offer and social-proof variants sized to each platform's character limits.

About the AI Ad Copy Generator

The AI Ad Copy Generator is a free tool that creates platform-optimised advertising copy for Google Ads or Meta (Facebook/Instagram), sized to each platform's limits, with character counts for Google ads.

Ad platforms are unforgiving copy environments: Google search ads give you 30-character headlines and 90-character descriptions; Meta gives you one line above the fold before "see more" swallows the rest. Writing inside those boxes — while still being persuasive — is a genuine skill, and the first version you write is rarely the one that performs. Every profitable ad account runs on variants.

That's why this generator produces three deliberately different angles per run: one leading with the core benefit, one leading with your offer and urgency, and one leading with social proof. These aren't cosmetic rewrites — they're the three classic persuasion routes, and testing them against each other is the fastest way to learn what your audience responds to. Google variants come with character counts printed against each headline and description so you can see they fit before you paste; Meta variants get a hook-first primary text sized for the feed.

Use it at two moments: when launching a campaign and you need a credible starting set, and when an ad fatigues and click-through drops — regenerate with the same inputs and refresh the creative in minutes. As always with ads, the copy makes the click but the offer makes the sale: pair strong variants with a landing page that keeps the ad's promise, and check your ROAS with the calculator linked below to know which angle actually pays.

How to use the AI Ad Copy Generator

  1. Enter the product or service you are advertising.
  2. Select the platform (Google Ads or Meta).
  3. Include a specific offer or promotion, and define your audience.
  4. Click 'Generate ad copy' to receive three distinct variants.

Worked example

Input: 'Cloud accounting software' + '30-day trial' → Output: Three distinct ad variants (benefit-led, offer-led, proof-led) sized perfectly for Google's character limits.

Frequently asked questions

Why does the tool generate three variants instead of one?
Ad performance is discovered, not predicted. Running benefit-led, offer-led and proof-led angles against each other tells you within days which persuasion route your audience buys — then you can double down on the winner.
Will the copy actually fit Google's strict character limits?
Yes. Google variants are generated specifically to the 30-character headline and 90-character description limits, with counts shown per line. Always verify in the Ads editor, as it counts some special characters differently.
What makes Facebook ad copy different from Google?
Google search copy answers an active query, so it must be specific and match the keyword. Facebook interrupts a feed, so the first line must stop the scroll before anything else matters. The generator formats each accordingly.
Should I use emojis in my ad copy?
For Meta (Facebook/Instagram), tasteful emoji use can increase click-through rates by drawing the eye. For Google Search Ads, emojis are generally prohibited and will cause your ad to be disapproved.
How often should I refresh my ad copy?
Whenever your click-through rate (CTR) starts to noticeably drop, known as 'ad fatigue'. Regenerating fresh copy for the same offer every few weeks is a standard practice to keep campaigns profitable.

More from Avexora

All Avexora products →

Business software from the team behind these free tools.

Get one practical business tip every week

Tools, templates and tactics for running your business — free, no spam.

Related tools

More ai writing tools