Submagic is the best AI tool to create captivating short-form videos in seconds for teams and businesses.
Generate B-Rolls for your videos with AI
Increase your video engagement by 25% by adding high-quality stock footage B-Rolls from Storyblocks.
Use Magic B-Roll Now
B-Roll Transforms Your Videos
Easily transform boring footage into engaging stories your audience can’t scroll past. With Submagic, no extra skills are required—just select your visuals and place them in the editor for easy integration.
Add B-Roll NowCreate Engaging Stories
Turn your raw footage into captivating content. Add visual layers like B-rolls to make videos more engaging and informative. A B-roll video helps illustrate key points and provides visual context, maintaining viewer interest throughout your videos.


Discover the Perfect Visuals in Seconds
The intuitive transcript-based interface simplifies adding B-rolls, making it easy for video editors of all skill levels to use. With Submagic’s integrated library directly in the editor, you’ll save time and effort and quickly find the perfect visuals to sharpen your narrative.
How to generate B-roll with AI using Submagic
Magic Clips is the simplest and fastest way to create clips.

1. Upload Your Video
Upload your video and wait for the captions generation, which takes 1 minute. Then, click on the “B-rolls” page.

2. Click on “Magic B-rolls”
The “Magic B-rolls” button adds b-rolls in a few seconds. You can still manually add B-rolls by clicking on the “+” sign in the subtitle line you want!

3. Download your video
Once done, you’re good to go. Click on “export” at the top right of your screen. As easy as that!
Instant B-Roll, Perfectly Timed
Submagic offers a vast library of visuals, including GIFs, B-roll footage, and images. The transcript-based editor and the easy "+" button insertion on each line make editing stress-free.
Add B-Roll Now
Access to Thousands of GIFs and Millions of Images
With the integrated library directly within the editor, users gain access to 20,000 GIFs and stock footage, and over 4 million images.


Insert B-Roll with Frame-Level Accuracy
Place B-roll, GIFs, and images with frame-level accuracy linked directly to your video transcript for contextually relevant visuals.


Add B-rolls with Magic-Brolls in One Click
You can automatically add accurate visuals to your video content with one click of a button. The Magic B-rolls feature is the way to go to combine efficiency and automation.

Explore more features from Submagic

Auto Subtitles
Generate your subtitles in minutes. Add animated emojis, colors, and GIFs

Auto B-Roll
Add royalty-free B-Roll to your video or import your own clips in one click.

Auto Transitions
Create smooth transitions between B-rolls, animate emojis with sound.

Auto Zoom
Generate 5-star transitions between clips to create dynamic videos.

Auto Cut
Remove all silence from your video with a wave of a magic wand.

Image & GIFs
Energize your video by adding images and GIFs with just one click

Sounds Effects
Add sound effects to create an atmosphere & highlight key moments.

Music Background
Add a music background to your video in seconds as the cherry on top.

Description
Generate a description & hashtags for optimizing your videos on social media.
Frequently asked questions
Can I add transitions to my own B-rolls?
Sure thing! Add your own B-roll, and then you can choose the transition you want to create a dynamic switch.
Is Submagic a free AI B-roll generator?
Yes! You can use this feature for free! Simply upload your video and go to the “B-rolls” page.