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How to create Video ad

Here's a step-by-step guide to creating a video ad using AI.

Written by Vita

A Video ad lets you create promotion videos using AI influencers tailored to your brand, product, or service. They look just like the UGC content you'd find on Instagram Reels or TikTok, where creators rave about products in a natural, engaging way. Except now you're the one calling the shots, with a whole cast of influencers ready to churn out ads for you.

Here’s how to do it:

  1. Log in to your Zeely account: https://app.zeely.ai/

  2. In the left menu, go to Marketing tools, then open Video ads and choose Video ad.

  3. Select a product or service from your list, then review its Name and Description.

    Next, you'll see the Market intelligence section. It helps Zeely better understand what you're selling, who it may appeal to, and what may motivate someone to buy it.

    Market intelligence includes:
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    • Niche: What kind of product or service you offer.

    • Core value: The main value your product provides.

    • Target audience: The people most likely to be interested in it.

    • Pain points: Problems your product or service can help solve.

    • Purchase triggers: What may motivate someone to buy.

    • Social proof: Signals that can build trust, such as reviews, ratings, or mentions.
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    You can fill in these fields yourself, or click Generate to let Zeely create the analysis based on your product's name, description, and images. Click Save once you've reviewed the information.
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  4. Pick an image. Click the Image card to open your available images.

    Choose one from the list or upload your own by dragging and dropping it into the upload area or clicking Upload. Make sure your file meets the supported format and size requirements.

  5. Choose a reference. References shape the style and format of your ad. Pick the one that best matches your business. You can browse references by concept using the filters at the top, and watch "How it works" for a quick idea of how each concept plays out in a video.
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    If you're not sure which reference to choose, leave this step blank. Zeely will analyze your product or service and choose the most suitable format for you.

    Every concept tells your story differently. Here's what each one is designed to do:
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    • Fashion try-on: Best for clothing, footwear, jewelry, and accessory brands. Show products on a person to help customers imagine wearing them.

    • Digital demo: Best for apps, software, websites, and digital tools. Highlight key features and show how your product works.

    • Service showcase: Best for service-based businesses, such as beauty salons, fitness coaches, agencies, or home services. Explain what you offer and why customers should choose you.

    • Product showcase: Best for physical products of any kind. Put your product front and center, highlight its features, and show what makes it worth buying.

    • Street interview: Best for engaging, social-first content. Present your message through authentic conversations, customer reactions, or Q&A-style videos.

    • Podcast: Best for educational content, expert advice, and storytelling. Share insights, answer common questions, or build trust by talking directly to your audience.

    • Public speaking: A presenter addresses an audience on stage or at an event. Great for educational, promotional, and keynote-style videos.

    • Hidden camera: Footage captured from a discreet or first-person perspective, creating a candid, unscripted feel. Great for storytelling, product reactions, and everyday moments. You can change the main speaker by choosing a different avatar. To change the second person, use the prompt and describe the person you want to appear in the scene.

    • Before & after: Best for products or services that create a visible transformation. Show the starting point and the result to make the difference clear.

    • Native mention: Introduce your product as part of a conversation or piece of content, making the mention feel organic rather than like a traditional ad.

    • Talking head: Have a presenter speak directly to the viewer to share information, introduce a product, or deliver a message.

    • Outdoor activities: Show the presenter using or talking about your product in an outdoor setting, with a more dynamic and energetic feel.

    • ASMR: Best for products where sound, texture, or close-up details matter. Focus on satisfying visuals and sounds to create an immersive, sensory experience.

    • TV show: Present your product or message as part of a TV-style scene, segment, or show.
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  6. Keep the avatar from your reference or swap it out for a new one. Click the avatar card to open the library.

  7. Use the tabs at the top to browse:

    • All: See every available avatar.

    • Custom: See only the custom avatars you created.

    • Liked: Find the avatars you previously liked.
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    To narrow down the library, use:

    • Gender

    • Age

    • Appearance

    • Style

    • Hair

    • Body type

    • Features
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    You can combine these filters and select multiple values to describe the avatar you need more precisely. For example, you can choose an age group, hairstyle, body type, and visual style at the same time.

  8. Want to save one for later? Hover over any avatar to reveal the heart icon in the top-right corner and tap it. That avatar will then go straight to your favorites.
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    You can also create your own AI avatar if you don't see the one you're looking for. Click Create avatar and follow the prompts. When it's ready, it'll appear in the Custom tab, so you can use it anytime.
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  9. When you find the right avatar, hover over its card and click Use in video to replace the current actor.

  10. Add your own prompt, or leave the field as is. The prompt is optional. Use it to tell Zeely more about what you want to see in the generated image, including specific details about the avatar, setting, scene, or language you want to use.

    Note: At the moment, Zeely doesn't support recording or uploading your own voice for an AI avatar.
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  11. Choose your settings:
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    • AI model: Nano Banana Pro, Nano Banana 2, or GPT Image 2.

    • Output, which defines how many start images will be generated. You can generate 1, 2, or 3 outputs and pick the one you like best.
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    Click Create start image and wait for the base visual to generate (usually under a minute). Stay on the page.

    Don't love the result? You can edit or regenerate the image, or adjust your prompt and try again.

  12. Once the image is ready, click Create video.

  13. Start by choosing which part of the video you want to generate:
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    • Full video ad: Generates both the Hook and Body.

    • Hook: Generates only the opening section. Use this option to test a different opening without recreating the Body.

    • Body: Generates only the main section while keeping the existing Hook.
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  14. Under Settings, open the model menu. Each model card shows what the model is designed for, its available resolution, supported duration, and current credit rate.

    The available models include:
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    • Kling O3 Pro (Recommended): Creates high-fidelity motion with native audio. Supports 1080p video, durations of 6–20 seconds, and a current rate of 45 credits per second.

    • Seedance 2.0: Creates reference-guided motion with native audio. Supports resolutions from 720p to 1080p, durations of 8–30 seconds, and a current rate of 60 credits per second.
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    After selecting a model, choose one of its available resolutions in the field next to the model menu.

    Good to know: Credit rates and available settings may change. Always check the current information on the model card before generating a video.

  15. Understand how the credit cost is calculated
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    ​Check the credit price displayed on the AI model card. A price followed by /s, such as 45/s, means the model is charged per second of generated video.

    For models priced per second, Zeely calculates the total cost using this formula: Credit rate per second × calculated video duration = total generation cost
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    For example, if Kling O3 Pro costs 45 credits per second and Zeely calculates a duration of 17 seconds, the total cost is 765 credits.

    The summary at the bottom of the screen shows the selected video part, AI model, resolution, and calculated duration. The Create video button shows the final credit cost before generation begins.
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    Important: Changing the prompt can change the calculated video duration and, consequently, the total credit cost. After editing the prompt, check the updated duration and the final cost displayed on the Create video button before generating.

  16. Review the script. A full video ad contains two script sections:
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    • Hook script: The opening line or scene, designed to capture the viewer’s attention.

    • Body script: The main part of the video, where the avatar delivers your message.
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    Edit either script or keep the version suggested by Zeely. The character counter shows how much text you can enter.
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    To have the avatar speak another language, write the script in that language.

    For models priced per second, changing the script may affect the calculated duration and generation cost. Zeely processes the revised script, recalculates the duration, and updates the amount shown on the Create video button.

    A loading indicator may briefly appear next to the previous amount while the calculation is in progress. Wait for the updated cost before generating the video.

    Important: Zeely calculates the duration after processing the script, so the cost isn't based on the number of words or characters alone. A longer script may result in a longer, more expensive video. Always check the amount displayed on the Create video button before generating.

    If the script exceeds the selected model’s supported duration, a dash appears instead of the credit amount, and the Create video button becomes unavailable. Shorten the script or choose a model that supports the required duration.
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  17. Go to Audio to customize the voice:
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    • Choose a tone of voice.

    • Select an emotion.

    • Adjust the accent.

  18. Then, jump to Captions:
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    • Move the toggle left to turn captions off, or right to turn them on.

    • Choose their position in the frame: top, center, or bottom.

    • Find the perfect color for them, select a standard shade, or click on the color wheel to find the one you want.

  19. Next, customize your hook headline: add the text you want viewers to see at the beginning of your video. Click the 😊 icon to add emojis, then choose a style and customize the font, colors, size, alignment, and position. The preview updates as you edit, so you can see exactly how your headline will look.

    Keep your text inside the safe area to make sure it isn't cropped on social media.

  20. When everything looks good, click Create video and wait for generation to finish. From the left menu, go to Projects, then select Video from the format filter.

If you need a hand or have any questions, feel free to reach out at [email protected] or open a chat. We’re always ready to help.

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