Aspect Ratio Quick Reference
| Format | Best For | Common Resolutions |
|---|---|---|
| 16:9 | YouTube, Twitch, desktop video, presentations | 1920×1080, 3840×2160 |
| 9:16 | TikTok, Instagram Reels, YouTube Shorts | 1080×1920, 720×1280 |
| 4:5 | Instagram feed posts | 1080×1350 |
| 1:1 | Instagram square posts, profile pictures | 1080×1080 |
| 21:9 | Cinematic widescreen, ultrawide monitors | 3440×1440, 5120×2160 |
Common Resolution Cheat Sheet
# Standard video resolutions 4K UHD → 3840 × 2160 (16:9) Full HD → 1920 × 1080 (16:9) HD → 1280 × 720 (16:9) SD → 640 × 480 (4:3) # Vertical video resolutions Vertical HD → 720 × 1280 (9:16) Full Vert. → 1080 × 1920 (9:16)
- Need YouTube keywords? YouTube Tags Generator
- Write your description: Description Generator with timestamps & hashtags
- Compress your video: YouTube Video Compressor
- Check your SEO score: YouTube SEO Checker
Need to resize your videos? Use Trimpx Format Conversion Guide for FFmpeg commands that preserve aspect ratio during conversion.