How to Make a UGC Ad with AI (Step by Step)

UGC (user-generated content) ads are the short, authentic, "filmed-on-a-phone" videos that dominate TikTok, Instagram Reels, and Meta ad feeds. They convert because they feel like a real person talking, not a polished commercial. The catch has always been production: you need a creator, a script, a camera, and editing time. AI removes most of that.

This guide walks through making a UGC-style ad end to end with AI tools, including how to do each step inside Karya.

Step 1: Start with the hook

The first 1-2 seconds decide whether anyone watches. Write 3-5 hook variations before anything else. Good hooks call out the viewer, name a problem, or promise a payoff: "If you struggle with X, watch this," or "I wish I knew this sooner."

Write the rest of the script as natural spoken language - short sentences, contractions, one idea per line. Read it out loud; if it sounds like an essay, rewrite it.

Step 2: Generate the talking-head video

Use an image-to-video or avatar model to turn a presenter image (or a generated character) into a talking clip. In Karya, the Video Studio and Marketing Studio handle this - pick a model, add your reference image, and describe the scene and delivery.

• Keep each shot short (3-8 seconds) and generate a few takes.
• Match the setting to the product (kitchen, bathroom, desk, outdoors).
• Generate vertical (9:16) for Reels, TikTok, and Stories.

Step 3: Add the voice

A believable voice is what sells a UGC ad. Use lip sync to match an audio track to your presenter so the mouth movement lines up. Karya has a Lip Sync studio for exactly this - upload or record the voiceover and sync it to the face.

Step 4: Assemble and test variations

Stitch your hook, body, and call-to-action together. Then make variations - the single biggest lever in paid social is testing many angles. Change the hook, the setting, and the presenter so each variant reads as a genuinely different ad, and let the platform find the winner.

Do it in Karya

Karya brings the pieces into one place: generate the visuals in the Image Studio, the clips in the Video and Marketing studios, and the voice match in Lip Sync - all from one credit balance. New accounts get 200 free credits to try it.