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Short, plain-English guides to editing video. No jargon, no timeline to learn, and nothing uploads, every method here runs in your browser.
How to make a video vertical (9:16) for TikTok, Reels, and Shorts
Turn a horizontal video into a vertical 9:16 clip for TikTok, Reels, and Shorts. Crop or reframe in your browser by typing a prompt. Nothing uploads.
Read guideHow to add subtitles or captions to a video
Add subtitles or captions to any video by typing a plain-English prompt. On-device transcription times each word to your speech, and nothing uploads.
Read guideHow to compress a video without losing much quality
Compress a video to a smaller file while keeping it sharp. A clear, practical guide, plus how to do it in your browser with Supercut, where nothing uploads.
Read guideHow to trim or cut a video
Trim or cut a video in your browser. Type the range you want to keep in plain English, run it, and export. Your footage never gets uploaded.
Read guideHow to convert a MOV file to MP4
Convert MOV to MP4 right in your browser. Drop the file, type a prompt, export. Nothing uploads, your footage stays on your device. First export is free.
Read guideHow to blur faces in a video to protect privacy
Blur faces in a video to protect privacy without uploading your footage. Faces are detected on your device in the browser. Type a prompt, preview, and export.
Read guideHow to make a GIF from a video
Turn any video clip into a shareable GIF right in your browser. Pick the moment, type a plain-English prompt, render, and download. Nothing uploads.
Read guideHow to remove background noise from a video
Remove background noise from a video right in your browser. Type a plain-English prompt, preview, and export. Footage never uploads. Steps, tips, and FAQ.
Read guideHow to add music to a video or replace its audio
Add music to a video or swap its audio in your browser. Load a track, type a plain-English prompt, preview, and export. Nothing uploads, your files stay private.
Read guideThe best video format and settings for social media
The best video format for TikTok, Instagram, and YouTube: MP4 (H.264) + AAC, 9:16 or 16:9, 1080p, plus how to export each in your browser.
Read guideVideo aspect ratios explained: 9:16, 1:1, and 16:9, and when to use each
A plain guide to video aspect ratios. Learn what 9:16, 1:1, and 16:9 mean, which platform wants which, and how to reframe a clip in your browser.
Read guideHow to edit video without uploading it
Most online editors upload your footage to their servers. Here is how to edit video privately in your browser, so your files never leave your device.
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