How to Use the Social Video Aspect Ratio Canvas Resizer & Padder
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1
Upload your video file into the social canvas resizer.
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2
Choose your target social media aspect ratio preset (9:16 TikTok/Reels, 1:1 Square, 4:5 Portrait, or 16:9 Landscape).
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3
Select canvas framing mode: Fit with Blurred Gaussian Background, Solid Color Letterbox, or Centered Crop.
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4
Click 'Render Resized Video' to re-encode the stream in real time.
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5
Preview the formatted social video and download.
Practical Example & Use Case
Common Real-World Scenario
Converting a 16:9 YouTube video into a 9:16 vertical Reel with aesthetic blurred background padding for Instagram and TikTok feeds.
Technical Notes & Limitations
Browser Engine Architecture
Canvas re-encoding runs in real-time within browser memory; ideal for short-form clips up to 60 seconds.
Frequently Asked Questions
What is the best aspect ratio for TikTok and Instagram Reels?
9:16 vertical format (1080x1920 pixels) is the standard aspect ratio for TikTok, Instagram Reels, YouTube Shorts, and Snapchat.
What does Blurred Background padding do?
It scales and blurs the original video in the background behind your main clip, eliminating black bars with modern broadcast aesthetics.