A Facebook ad gets a moment of attention in a busy feed, so the copy has to name the problem, show the payoff and ask for one action before people scroll on. This page opens Social media studio's AI Writer with the Facebook ad copy task already selected. Describe your product, audience and offer in the brief, pick a tone and length if you like, and get up to three suggestions to compare and copy. Generating requires a signed-in Social media studio account and uses AI caption credits from your plan or trial.
How Facebook ad text fits together
A Facebook feed ad has three text fields around the image or video. Primary text sits above the creative and does most of the persuading. The headline sits below it, next to the call-to-action button, and should sharpen the promise rather than repeat it. The description is optional and doesn't show in every placement, so never put essential information there.
Meta's Ads Guide currently recommends 50 to 150 characters of primary text and about 27 characters for a Feed headline. Those are recommendations, not hard caps, but longer primary text is cut off behind a "See more" link, so the first line has to work on its own. Stories and Reels display text differently, so check every placement in the Ads Manager preview before you publish.
Primary text that earns the click
Strong primary text usually takes one of a few shapes. Problem and question: name a frustration your audience already feels, then point to the fix. Specific outcome: say what changes for the customer, with a real number from your own results if you have one. Curiosity: hint at what they'll get without slipping into clickbait. Story: open with a short first-person moment that leads to the product.
Whichever shape you choose, lead with the benefit, keep to one idea per ad and end with a single action that matches your button, such as Shop now or Sign up. If you want a particular shape, say so in the brief, for example "open with a question about slow mornings". Each generation returns up to three suggestions, so you can compare angles before you pick one.
Headlines and descriptions: the supporting lines
The headline should add a new reason to click, not restate the primary text. If the primary text promises calmer mornings, the headline can make that concrete with the offer, the price or the result. Keep it short enough to read at a glance on a phone.
When the description shows, use it for reassurance you can stand behind: delivery times, a returns policy or a guarantee you actually offer. Because it doesn't appear in every placement, nothing essential should live only there.
This task writes ad text from your brief. If you want separate headline options, ask for them, for example "three headlines under 27 characters". Check the length yourself before you paste, since the AI doesn't count characters exactly.
Stay inside Meta's advertising standards
Meta reviews ads against its Advertising Standards, and some copy patterns get rejected whatever the product. The best known is the personal attributes rule: ads must not assert or imply a viewer's race, religion, age, health, sexual orientation, financial hardship or similar personal traits. Meta's own examples show where the line sits. "Do you have diabetes?" is not allowed, while "New diabetes treatment available" is.
Exaggerated promises, such as guaranteed income or unrealistic health results, also cause trouble, and categories like weight loss, alcohol, financial products and crypto carry extra restrictions. This page does not check copy against Meta's policies. Read each suggestion with the standards in mind, look at the Ads Manager preview and confirm the current rules for your category before launch.