AI B-Roll Generator: Add B-Roll Footage in One Click

Table of Contents

• Part 1: Introducing Best AI B roll Generators In 2025
• 1. TopMediai AI Video Generator
• 2. Pictory
• 3. InVideo
• 4. VEED.IO
• Part 2: Comparison Table of Four Best AI B Roll Generators
• Part 3: FAQs about AI B Roll Generators

Part 1: Introducing Best AI B roll Generators In 2025

1 TopMediai AI Video Generator

TopMediai AI video generator is an online AI-powered video generation tool that supports creating videos from text and images (Text→Video / Image→Video). You can enter a script or text prompt, or upload an image, and the AI ​​will generate a video with transitions, background music, voiceovers, and short film effects. It supports short videos (up to 70 seconds) and offers adjustable shot count and aspect ratios (16:9 / 9:16 / 1:1).

How to create B-roll with TopMediai AI Video Generator?

1. Single-Scene Generation (Fast & Cheap with Veo 3)

① Open Image-to-Video or Text-to-Video dashboard in TopMediai.

If Image-to-Video: Upload the image that fits your nursery rhyme, then transform it into a video.

If Text-to-Video: Enter a focused prompt describing the scene you want, such as: “A busy city street with blurred motion, showing people walking and cars passing by in the background”

② Select model: Choose Veo 3 (or Vidu/Topix) for realistic movement and facial accuracy.

③ Adjust duration (6–10s), aspect quality, camera movement (Only Topix model).

④ Adjust settings: Set the duration (6–10s works well for B-roll), choose aspect ratio, quality, and camera movement, then generate your video.

3. Multi-Scene Generation (Mini stories or longer B-roll sequences)

For longer B-roll sequences, the TopMediai AI Video Generator offers a multi-scene mode that can create up to 14 scenes and 70 seconds of content from a single prompt.

Simply describe the scenes you want — either as a short story for automatic scene splitting or with scene-by-scene instructions for more control — and the tool will generate B-roll clips with background music, captions, and optional voiceovers, giving you a complete AI B-roll video generator workflow in one click.

2 Pictory

Pictory is a cloud-based B roll AI generator that creates short videos from blog posts, scripts, or long-form videos. It automatically adds relevant stock B-roll clips over your narration.

3 InVideo

InVideo is another powerful AI B roll video generator that helps you build marketing or social videos using templates and B-roll

4 VEED.IO

VEED.IO is a browser-based free AI B-roll generator offering automated subtitles, stock B-roll, and editing tools. It’s great for quick social videos.

Part 2: Comparison Table of Four Best AI B Roll Generators

Part 3: FAQs about AI B Roll Generators

1 What is an AI B-roll generator?

It’s a tool that automatically creates or suggests supporting video clips to complement your main footage, saving time in the editing process.

2 How does an AI B-roll video generator work?

It analyzes your script, text prompt, or footage, then generates or selects relevant B-roll clips that match the scene.

3 Which videos benefit most from a B roll video generator?

Short social media content, tutorials, marketing videos, and other clips that need extra visual footage benefit most.

4 Can I export AI B-roll videos for different platforms?

Yes, most AI B-roll video generators support formats suitable for YouTube, TikTok, Instagram, and other platforms.