How to Write Ad Copy

To write ad copy, choose one audience and one action, then connect a clear hook to a real customer benefit, credible proof, and a specific call to action. Keep every claim accurate and make sure the destination page continues the same message.

Start with one audience and one action

Decide who should notice the ad and what you want that person to do next. The action might be to compare plans, book a consultation, or see how a product works. One ad can mention supporting details, but it should lead toward one main action.

Write down the audience’s likely need in ordinary language. A founder looking for bookkeeping help may want fewer hours spent sorting receipts; a local buyer may want to know whether a service covers their area. Use what you know about the actual offer and customers. Avoid guessing at motivations or adding a promise just because it sounds persuasive.

FounderPal’s Ad Generator creates Facebook and Google ad copy from product inputs. Use the drafts to explore wording, then check that the audience, benefit, and requested action match your offer.

Write the hook, benefit, proof, and CTA

Build a short message from four parts. The hook names a need, goal, or relevant feature that can earn attention. The benefit explains what the customer gets or can do. Proof gives a specific, supportable reason to believe the claim, such as a real feature or documented result. The CTA tells the reader the next step in concrete words.

The parts do not need to appear as four separate sentences. A search ad may put the benefit in one headline and the action in another asset. A social ad may use a short opening line, a few sentences of detail, and a button. In either format, make the central offer easy to understand without relying on every line being shown.

Use proof only when you can substantiate it. A product feature, service area, included deliverable, or verifiable customer result can support a claim. Do not turn a possibility into a guarantee, imply typical outcomes from one unusual case, or use a number you cannot verify. If you have no proof for a claim, remove it or replace it with a concrete description of the offer.

Choose a CTA that matches what happens after the click. “See the plans” should lead to plans; “Book a consultation” should open a way to book. Check the landing page for the same audience, offer, and next step so the transition feels consistent.

Build Google responsive search ad assets

Google responsive search ads accept up to 15 headlines and 4 descriptions. Headline fields allow up to 30 characters, description fields up to 90, and display paths up to 15 characters. Google can combine assets in different orders, so write each one to make sense on its own and alongside the others. These limits and behaviors are described in Google Ads Help.

Start with several distinct ways to express the offer: the customer need, a benefit, a relevant feature, and an action. Keep the audience and destination in view while drafting. Avoid filling every field with small rewrites of the same line; genuinely different details give the ad more useful combinations.

Read the assets in pairs and in possible sequences. Check that a headline followed by another headline does not repeat itself, and that a description still fits the offer without a particular headline. Make sure the final URL delivers what the copy promises. Preview the ad in the campaign flow, then correct wording that is unclear, repetitive, or too long for its field.

For examples of how these parts can fit search campaigns, browse the Google Ads examples. Treat examples as inspiration for structure, not claims to reuse without evidence about your own offer.

Adapt copy for Facebook and Meta placements

Search ads meet people while they are expressing intent through a query. Facebook and other Meta placements can reach people as they browse, so the opening should quickly make the audience and relevance clear. Lead with a recognizable need or situation, then explain the offer and give one next step.

Write for the placement where the ad will appear. Keep the first lines understandable on their own, use short paragraphs for a feed, and make the CTA clear even when someone scans quickly. Do not assume every placement displays text the same way. Preview the creative in the placements you select and check the current field limits in Ads Manager; available formats and limits can vary by placement.

The Facebook Ads examples can help you compare different ways to frame an offer. Keep the wording grounded in your own product and audience instead of copying claims or details that do not apply.

Review ad copy before publishing

Read the copy as a customer would. Can you tell who it is for, what is being offered, and what to do next? Does the destination page support the same promise? Remove vague superlatives, repeated benefits, and any statement you could not back up.

Then check each platform’s preview and field limits. For Google, verify that assets remain clear in different combinations. For Meta, inspect the placements you plan to use. Make a final pass for spelling, links, and consistency between the ad and landing page. Clear, accurate copy gives the reader a sound basis for deciding whether to take the next step.

FAQ

What should good ad copy include?

Start with a relevant hook, explain a real customer benefit, support important claims with credible proof, and give one clear CTA. The exact format depends on the placement, but the offer should remain understandable throughout.

How do you write a strong ad headline?

Lead with the audience’s need, a specific benefit, or a meaningful feature. Keep the wording connected to the offer and the destination page, then remove filler and unsupported claims.

How many headlines can a Google responsive search ad have?

Google allows up to 15 headlines and 4 descriptions for one responsive search ad. Headlines can be up to 30 characters and descriptions up to 90 characters; Google may combine assets in different orders.

How long should Facebook ad copy be?

There is no single length that fits every Facebook placement. Keep the opening clear, preview the selected placements, and check the current Ads Manager limits for the fields you use.