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Video Lab

Vid Resize

Online video editor — trim, merge, convert, add text, extract audio, and create GIFs.

100% Private

Files never leave browser

Lightning Fast

Client-side processing

No Signup

Just open and use

Secure

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About Resize Video Online Free — Fit TikTok, YouTube & Instagram

Change video dimensions for any social media platform for free. Resize for TikTok (9:16), YouTube (16:9), Instagram (1:1), and more — no signup or installation required. Works instantly in your browser. Perfect for adapting content across platforms without professional editing software.

resize videovideo resizertiktok video sizeresize video online freevideo dimension changerchange video aspect ratioinstagram video sizeyoutube video dimensions

How to Use

  1. 1

    Upload Video

    Upload the video to resize.

  2. 2

    Select Size

    Choose a social media preset or enter custom dimensions.

  3. 3

    Resize & Download

    Click Resize and download the resized video.

Frequently Asked Questions

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