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Submagic: Add AI B-roll and transitions

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Demo summary

The 'Magic B-roll' feature is demonstrated, showing how the tool automatically inserts relevant stock footage and transitions based on the video's context.

Step-by-step

  1. Click on the B-roll section in the top menu
  2. Click on Add a media
  3. Select the Magic B-roll button
  4. Adjust the Percent of Magic slider to determine the amount of B-roll to add
  5. Select the video type between free or premium videos
  6. Toggle Enable transitions on or off
  7. Click Generate
  8. Review the generated footage and click Edit B-roll to change or delete assets that are not fitting

Options

  • Add AI B-roll
  • Add AI images
  • Upload manual B-roll from your computer
  • Manually find images or use the AI generator feature to replace specific clips

Tips

  • Set the Percent of Magic to 50% for a balanced amount of B-roll
  • Always go over the video after generation to check if the added clips are fitting
  • Use the AI generator feature to create specific footage if the stock library doesn't have a fitting match

Highlights

“this makes it so easy because we don't have to search for extra footage for hours”

All demos from “How to Edit Viral Shorts in 2026 (Submagic Tutorial)”

  1. 0:241:04Create a caption project in SubmagicThe user demonstrates how to start a new project in Submagic by uploading an MP4 file and selecting English as the source language to generate AI captions.SubmagicAI Video Editor
  2. 1:310:56Remove silences and trim video with SubmagicThe demonstration shows using the 'Trim' tab to automatically detect and remove silences using the 'extra fast' setting and performing text-based editing to delete sentences.SubmagicAI Video Editor
  3. 2:462:35Style and customize captions in SubmagicThe user shows how to apply creator-inspired caption styles, adjust text position with a safe-zone overlay, change colors, and modify font settings like stroke weight and animations.SubmagicAI Video Editor
  4. 6:011:24Add AI B-roll and transitionsCurrentThe 'Magic B-roll' feature is demonstrated, showing how the tool automatically inserts relevant stock footage and transitions based on the video's context.SubmagicAI Video Editor
  5. 7:310:20Apply Magic Zooms in SubmagicThe user demonstrates the 'Magic Zooms' feature which adds dynamic camera movement to static talking-head footage to keep viewers engaged.SubmagicAI Video Editor
  6. 8:322:04Convert long-form video to shorts with Magic ClipsThe user demonstrates the 'Magic Clips' feature by pasting a YouTube URL and showing how Submagic identifies the most viral moments and ranks them with a virality score.SubmagicLong Video To Short Video AI
  7. 10:380:31Export video and generate AI descriptionsThe final step shows the export process, including the automatic generation of AI-written video titles and descriptions for social media platforms.SubmagicAI Video Editor
  8. Watch “How to Edit Viral Shorts in 2026 (Submagic Tutorial)” →

AI Video Editor

  1. 8:371:08Generating Magic B-roll and Zooms in SubmagicThe demonstration shows Submagic's interface for adding 'Magic B-rolls' and 'Magic Zooms' to a project, alongside caption styling and audio cleanup.Youri van Hofwegen
  2. 6:520:21Automated Engagement Elements with SubmagicSubmagic is shown analyzing video pacing to automatically insert B-roll, transitions, and zoom effects. The tool demonstrates how it uses social media psychology to add visual emphasis at key moments.VEED STUDIO
  3. 3:161:14Trimming clips and removing silences in SubmagicThe demonstration shows how to manually adjust clip boundaries using the scissor tool and use the 'clean up audio' feature to automatically remove silences and filler words.Vince Opra
  4. 4:301:26Customizing AI caption styles in SubmagicThe user walks through selecting different caption templates (like Daniel or Ean styles) and customizing fonts, colors, positioning, and animations.Vince Opra
  5. 6:211:30Adding B-roll, sound effects, and transitions in SubmagicThe video shows how to search the Storyblocks library within Submagic to insert B-roll footage, add transitions like 'burn', and apply sound effects to a clip.Vince Opra
  6. 0:241:04Create a caption project in SubmagicThe user demonstrates how to start a new project in Submagic by uploading an MP4 file and selecting English as the source language to generate AI captions.Submagic Studio
  7. 1:310:56Remove silences and trim video with SubmagicThe demonstration shows using the 'Trim' tab to automatically detect and remove silences using the 'extra fast' setting and performing text-based editing to delete sentences.Submagic Studio
  8. 2:462:35Style and customize captions in SubmagicThe user shows how to apply creator-inspired caption styles, adjust text position with a safe-zone overlay, change colors, and modify font settings like stroke weight and animations.Submagic Studio
  9. 6:011:24Add AI B-roll and transitionsCurrentThe 'Magic B-roll' feature is demonstrated, showing how the tool automatically inserts relevant stock footage and transitions based on the video's context.Submagic Studio
  10. 7:310:20Apply Magic Zooms in SubmagicThe user demonstrates the 'Magic Zooms' feature which adds dynamic camera movement to static talking-head footage to keep viewers engaged.Submagic Studio
  11. 10:380:31Export video and generate AI descriptionsThe final step shows the export process, including the automatic generation of AI-written video titles and descriptions for social media platforms.Submagic Studio
  12. 0:260:37Generate AI captions with SubmagicThe user demonstrates how to upload a video to Submagic and use the 'generate captions' feature to automatically transcribe and caption content.Collin Michael Tutorials
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