The 30-second Facebook ad video formula

Quick Answer

A 30-second Facebook video ad needs more than a longer 15-second ad. The extra time is for proof, not padding. The winning formula is six scenes: hook, problem, mechanism, proof, offer, CTA. Each scene gets 4 to 6 seconds.

If any scene runs longer, the next one has to be shorter. Total spoken word count should sit between 65 and 80 words.

The full script (scene by scene)

Product: An accounting app for freelancers.

Scene 1 (0.0s to 4.0s) Hook

• Visual: Tight shot of a freelancer at a kitchen table surrounded by paper receipts. Text overlay: "January 31. 11pm. Tax due in one hour."


• Audio: "If you are a freelancer and you are doing this in January, please stop."

Scene 2 (4.0s to 9.0s) Problem agitation

• Visual: Cut to laptop screen showing a chaotic spreadsheet. Quick zoom on a "VAT?" cell with a question mark.


• Audio: "I used to lose two weekends every quarter and still get a 600 pound penalty."

Scene 3 (9.0s to 15.0s) Mechanism

• Visual: Phone screen replacing the spreadsheet. Bank feed connects, expenses categorise themselves on screen.


• Audio: "Then I found an app that connects your bank, sorts every expense and files the return for you."

Scene 4 (15.0s to 21.0s) Proof

• Visual: Split screen, before and after. On the right, a clean dashboard with one button: "File now."


• Audio: "Last quarter took me eleven minutes. Eleven. I thought it was broken."

Scene 5 (21.0s to 26.0s) Social proof and offer

• Visual: Three review cards from the App Store, then a price card showing the monthly fee crossed out.


• Audio: "30,000 freelancers use it. First month is free, no card needed."

Scene 6 (26.0s to 30.0s) CTA

• Visual: Logo and a giant "Start free" button with a finger tap animation.


• Audio: "Tap the button. Get January back."

Why it works

The six-scene structure is mathematical. Most viewers drop at the 5-second mark and again at the 15-second mark. The mechanism scene is placed right at 9 seconds because that is the moment hesitating viewers need a reason to keep watching.

The offer is delayed until scene 5 on purpose. Putting it earlier feels like a sales pitch; putting it later means your viewer has already received value (the mechanism explanation) and is more open to the ask. Direct response copywriters call this the 'value deposit'.

Common mistakes

• Letting the problem scene run for 10 seconds because it feels relatable. It is not relatable enough to earn that much screen time.
• Using stock footage in the proof scene. Proof must be unmistakably yours.
• Skipping the mechanism. Without it the ad becomes 'cool product, why should I trust it?'
• Closing on a logo instead of a button. Logos do not convert; buttons do.

FAQs

Is 30 seconds too long for cold traffic?
No, but it has to earn the time. If your hook holds past 4 seconds, you can hold for 30. If it does not, no extra length will save it.

How many hooks should I test for a 30-second ad?
Five at minimum. Keep scenes 2 to 6 fixed and only swap scene 1. You will find a hook that doubles the hold rate within a fortnight.

Should I use captions or burned-in text?
Burn the text in. Auto captions are unreliable and look off-brand. Burned-in text also gives you control over font weight and contrast.

Where should the brand name appear?
At the offer, in scene 5. Brand name in scene 1 is wasted real estate.

What is the right CPM zone for this ad?
Cold prospecting in the UK should sit between 8 and 14 pounds CPM. Above that, the hook is probably the issue, not the audience.

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