AI Facebook Ad Generator for UGC
An AI Facebook ad generator creates ads for Facebook and Instagram from your product. GeneratedUGC writes hooks and scripts from your reviews, renders UGC style videos with AI creators, launches the variants to your Meta ad account as a structured test and pauses losers by your CPA and CTR rules.
Free text preview of hooks, angles and a script. Video ads render on paid plans.
Plans start at $299 a month. See pricing
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Problem and solution
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Expert explainer
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TikTok made me buy it
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Testimonial style
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Expert explainer
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Before and after
How Meta tests are set up
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01
Connect Meta
Authorize your ad account once. Access is stored encrypted and can be revoked from Meta at any time.
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02
Pick variants
Choose which hooks, angles and creators go into the test, or let the composer pick a balanced set.
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Set the cap
Daily cap, test length and the kill rules for this product.
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Read results
Spend, CTR, CPA and ROAS per variant, rolled up by hook and angle.
Placements and formats
| Placement | Format | Notes |
|---|---|---|
| Reels | 9:16 | Primary placement for UGC video |
| Stories | 9:16 | Captions kept clear of the top and bottom bars |
| Feed | 4:5 | Cropped version of the vertical master |
Built for teams that already run Meta ads
You keep your campaign structure and your ad account. GeneratedUGC adds the creative supply and the decisions about which creatives deserve budget.
If you also advertise on TikTok, read about TikTok UGC ads. Agencies managing many Meta accounts should look at GeneratedUGC for agencies. Plans and limits are on the pricing page.
What you get
- Works with your existing ad account
- Facebook and Instagram placements
- Budget caps you control
- Every action logged
Prepare Facebook and Instagram UGC ads for each placement
The same sales message needs different framing across Feed, Reels and Stories. Approve the placement preview as well as the master video so the crop does not hide the reason to buy.
Prepare the Feed crop
Use 4:5 portrait or 1:1 square framing for Feed creative where supported. Keep the product, face and key caption readable within the chosen crop. A vertical master can lose its opening context when cropped, especially if the item sits at the bottom. Check Facebook and Instagram previews separately.
Frame Reels and Stories vertically
Use a 9:16 vertical composition for full screen placements. Leave room around essential text and product details for interface elements, including account information and action buttons. Safe zones vary by placement and interface, so verify the current preview rather than applying a fixed margin to every export.
Captions that work with sound off
Many people watch muted, so the opening should make sense without narration. Pair a clear product shot with readable captions and keep them away from platform controls. Listen with sound on too, checking that the spoken claim and visible text agree. The same principle helps when adapting for TikTok UGC ads.
Primary text and headline pairing
Use primary text to frame the buying problem and a headline to reinforce the product or offer where that field appears. Avoid repeating the entire script above the video. Neither field should carry a qualification that the video needs to avoid misleading viewers. Study UGC ad examples for ways to connect a hook with its supporting explanation.
Structure a Facebook UGC ad test around a buying question
For AI UGC Facebook ads, the useful output is a decision about the next creative batch. Pick the uncertainty first, then choose variants that can help resolve it.
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Define the angle and comparison
An angle is a buying reason, such as convenience or an objection about use. Keep angles identifiable in your ads and reporting. When using separate ad sets, keep the comparison conditions consistent. Avoid changing the audience, offer and hook together if you want to understand why results differ.
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Choose a manageable batch and cap
Select variants that represent distinct hypotheses and set the daily budget cap yourself before launch. The available budget should give each idea room to collect useful data. Spreading it across every possible combination can leave you with many ads and little evidence. Start focused and expand after reviewing delivery.
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Set a CPA kill rule before spending
Choose a maximum cost per acquisition that fits the product economics. Here, kill rules wait for minimum spend and impressions before judging an ad, then can pause it when your thresholds are breached. Read the details of AI creative testing so an early click spike does not become your definition of success.
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Iterate the reason that wins
Review purchases, CPA and ROAS alongside spend for each variant. Keep the winning message and change a specific element, such as the opening or creator delivery, in the next round. For UGC FB ads, a useful iteration explains what you learn about the buyer rather than simply producing a different looking video.
Frequently asked questions
Does this work for Instagram too?
Yes. Meta tests cover Facebook and Instagram placements, including Reels and Stories.
Will you change my existing campaigns?
No. Tests are created as new ads under the structure you choose. Existing campaigns are not touched.
Can I approve each launch?
Yes. You can require approval before any test goes live, or let tests launch automatically within your caps.
What metrics do you read from Meta?
Spend, impressions, clicks, CTR, purchases, CPA and ROAS per ad.
Do UGC ads work on Facebook?
Yes, UGC ads can work on Facebook when the message answers a relevant buying question and the product page supports it. Creator style alone does not make an ad profitable. Test clear angles against purchases, review CPA and ROAS, and keep genuine customer evidence separate from AI presenter explanations of product facts.
What size should a Facebook UGC ad be?
Use 9:16 for Reels and Stories, and prepare 4:5 or 1:1 framing for Feed where supported. Check the current placement preview before publishing because interface elements can cover captions and product details. Keep essential content inside the visible area and review each crop rather than assuming the vertical master fits everywhere.
How many ads should I test on Facebook?
Test as many distinct ideas as your budget can give meaningful delivery, rather than choosing a universal ad count. Begin with clearly different buying angles and avoid filling the batch with near duplicates. Review spend and purchase data before adding variants, then build the next round around the strongest supported message.
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See the hooks we would write for your product
Paste a product link. You get angles, hooks and a full script in under a minute, then decide whether to render and test the videos.