Calculateur de Ratio d'Aspect
Trouvez les dimensions parfaites en pixels pour vos vidéos et images.
Social Media Aspect Ratio & Dimension Cheat Sheet (2026)
Recommended pixel resolutions for maximum sharpness across Instagram, TikTok, YouTube, and X.
| Platform & Format | Ratio | Resolution (Pixels) | Purpose & Note |
|---|---|---|---|
| YouTube Video | 16:9 | 1920 × 1080 (1080p) | Standard HD / 4K landscape |
| TikTok / Reels / Shorts | 9:16 | 1080 × 1920 | Full screen vertical video |
| Instagram Portrait Feed | 4:5 | 1080 × 1350 | Maximum screen real estate |
| Instagram Square | 1:1 | 1080 × 1080 | Classic grid photo |
| Twitter / X In-Stream | 16:9 | 1200 × 675 | Landscape timeline media |
| Facebook Shared Image | 1.91:1 | 1200 × 630 | Link previews & timeline |
| LinkedIn Header | 4:1 | 1584 × 396 | Profile background banner |
How to use Calculateur de Ratio d'Aspect
Complete the task in a few clear steps without unnecessary setup.
1. Sélectionner le ratio
Choisissez 16:9, 4:3, 9:16 ou 1:1.
2. Entrer une valeur
Saisissez la largeur ou hauteur souhaitée.
3. Obtenir les dimensions
Copiez les pixels calculés automatiquement.
Frequently Asked Questions
Everything you need to know about Calculateur de Ratio d'Aspect.
Related Media & Conversion Tools
Free, in-browser utilities optimized for iPhone Safari and modern web browsers.
Discord GIF Compressor
650K/moOptimize animated GIFs for Discord emojis & avatars
SVG to PNG (Transparent)
350K/moRender vector SVG icons into high-res transparent PNG
PNG to JPG Converter
600K/moCompress PNG screenshots with white background
WebP to JPG
700K/moConvert Google WebP images to Camera Roll JPG
Audio BPM & Key Finder
920K/moDetect song tempo, BPM & DJ Camelot wheel scale
YouTube Video AI Summary
1.1M/moGenerate 1-click bullet point lecture notes & takeaways