AI Video Ad Maker
Turn a campaign brief, product details or an idea into AI commercials with our AI video ad maker. Try it free.


Make AI video ads and commercials in minutes
Describe your campaign and Syren builds the ad with motion graphics, voiceover, and music.
Start your ad from a brief or an idea

- Generate video ads from a prompt
- Describe the audience, tone, visual style, narration, and music for your ad
- Add a campaign brief as a document, PowerPoint file, image, video, or YouTube link
Build ads with motion, type, and sound

- Watch motion graphics and kinetic type build live as Syren writes your ad
- Add voiceover and music to carry your message
- Start from an example video, like a feature launch reel or kinetic type launch
Refine your ad by chatting or clicking

- Ask Syren to change the script, voice, music, shot types, or scene style
- Select any element to move it, retype it, or tell Syren how to change it
- Stop Syren mid-build and redirect it if the draft is heading the wrong way
Size your ad for wide or tall screens

- Choose wide 16:9 for landscape ads or tall 9:16 for portrait ads
- Apply your own colors so ads look like yours from the first draft
- Export video ads up to three minutes long at 1080p
How to make an AI video ad
Four steps from a campaign brief to a finished AI video ad, built and edited in chat.
1. Describe your ad
Open Syren under Tools, pick wide 16:9 or tall 9:16, then describe your audience, tone, style, and music.
2. Add your campaign material
Optionally select + to add a campaign brief, images, videos, PowerPoint files, or YouTube links, then select Send.
3. Refine it in chat
Watch the live preview, then ask Syren to change the script, voice, music, or a scene’s style.
4. Generate and download
Select Generate, choose up to 1080p, then download your video.

The AI video ad maker trusted by modern teams
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Ads for every launch, update, and moment that matters
Producing an ad usually takes a designer a lot of time. Our AI video ad maker turns a brief into AI commercials in minutes.
Announce a new product with a music-driven launch film in kinetic type that opens on the problem and shows how the product solves it.
Put a new feature in the spotlight with a vertical ad that shows what it does, using simple interface visuals.
Round up a month of small product updates in a fast, vertical ad told in kinetic type, with simple interface visuals and music.
Explain how your product works, with motion graphics and voiceover walking viewers through the problem, the solution, and how to start.
AI video ad maker FAQs
What is Synthesia’s AI video ad maker?
Syren is Synthesia’s AI video agent, and it works as an AI video ad maker. You describe the ad you want, and Syren writes it as code and renders it live while you watch, with motion graphics, voiceover, and music. You then refine it in chat..
Is the AI video ad maker free?
Yes, you can try the AI video ad maker for free. Videos on the Basic plan carry a watermark and can be downloaded and shared, while Starter and Pro videos have no watermark.
What can I use to start an AI video ad?
You can start from a prompt, an example video, or your own material. Include your audience, tone, visual style, narration, and music, like this example: “Create a 30-second social media ad explaining Synthesia to marketing professionals interested in video.” Select + to add documents, images, videos, PowerPoint files, or YouTube links, such as a campaign brief. Syren may ask follow-up questions, such as who the ad is for. Only use files, links, logos, and brand assets you have the right to use.
How long can my ad be, and what shapes and quality can I choose?
Syren videos can be up to three minutes long on every plan. You choose wide 16:9 for landscape or tall 9:16 for portrait before you send your prompt, and you can’t choose a shape when you start from an example video. When you generate you can choose from 1080p, 720p, 480p, or 360p.
Can I edit my ad after Syren builds it?
Yes. Ask Syren in chat to change the script, voice, avatar, music, shot types, aspect ratio, or pronunciation. You can also select an element, then drag it, retype it, or tell Syren what to change.
Can I make my ads match my brand?
Yes. Syren applies a baseline brand using your own colors, so ads look like yours from the first draft. You can also steer the look by sharing brand assets, a video whose style you want to match, or a description of your brand.
Can I use my own Avatar or voice in my ad?
Syren videos can include Synthesia’s AI avatars and voices, and you can swap them at any time by asking in chat. To use your own Personal Avatar or cloned voice, create your video in Synthesia Studio.
How many credits does an AI video ad use?
A two-minute video with up to two rounds of edits typically uses 1,000 to 2,000 credits. Actual use depends on how long and complex your video is and how much you refine it. Syren uses your free credits first, then your account’s standard credits.
How is Syren different from Synthesia Studio?
Syren is prompt-driven and built for speed and creativity, which suits launch videos, marketing content, and ads. Synthesia Studio is for content where the message has to be exact and repeatable, such as training, compliance, onboarding, and internal communications. In Studio you control every script line and scene, and you can update and localize videos at scale.
Not just an AI video ad maker
Synthesia is an end-to-end AI video platform for creating, localizing, and managing video at scale. Alongside ads, you can make a marketing video for your next campaign, a promo video for your launch, and polished visuals with AI motion graphics.
From there, translate your videos for new markets, refine every scene in the AI video editor, and track views and watch time with built-in analytics. One platform, from the first prompt to the finished video.
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