JoyInAIGC
Complete guide

AI Video Generation: A Practical Guide for Creators and Sellers

2026-07-10·8 min read

AI video generation turns images or text into short clips without filming. The three most useful modes are image-to-video (animate a still), lip-sync (a talking spokesperson from one photo), and text-to-video (a clip from a prompt). This guide covers each and links to a focused how-to.

What "AI video generation" includes

It is an umbrella for a few related tools: animating a still photo, syncing a portrait to speech, and generating a clip from a text prompt. For sellers and creators, the fastest wins come from reusing assets you already have — a product photo or a headshot.

Animate a still: image to video

Upload a photo, describe the motion (a slow push-in, a product rotation), and get a few seconds of video in about a minute. It is the quickest way to get scroll-stopping motion from a single image you already have.

How to turn an image into a video

Talking & spokesperson videos

Give a front-facing portrait plus a voice clip or script, and AI lip-sync animates the mouth to match — a talking-head clip with no camera or actor. Great for product explainers, UGC-style ads, and multilingual versions.

Make a talking video from a photo

Text to video from a prompt

When you have no footage at all, describe the scene in words and generate a clip from scratch — useful for B-roll, intros, and faceless content. Combine it with image-to-video and lip-sync to assemble a full piece.

Try text to video

Formats, length & aspect ratio

Use 9:16 vertical for TikTok, Reels, and Shorts; 1:1 for feed; 16:9 for landscape. Keep clips short — a few seconds of clean motion beats a long, shaky one. Export the first frame worthy of being a thumbnail.

Turn products into ad videos

A common seller workflow: remove the background from a product photo, place it in a clean scene, animate a gentle push-in, then add a lip-synced spokesperson to explain the benefit. In minutes you have a native video ad from stills — no shoot required.

Try it yourself

How AI video generation works and how to use it: animate a still image, make talking spokesperson videos, generate clips from text, and turn products into ad videos.

Try AI video

FAQ

How long does a video take?

Usually about a minute, depending on the model, clip length, and current load.

Which aspect ratio should I use?

9:16 for TikTok/Reels/Shorts, 1:1 for feed posts, 16:9 for landscape.

Can I use my own product or face?

Yes — upload your own image or portrait; the result stays true to your product or presenter.

Related reading

AI Video Generation: A Practical Guide for Creators and Sellers — JoyInAIGC