Image Resizer Online
Resize images online for social media, websites, and documents. Upload a photo, choose a preset size, and download instantly.
Select Sizes
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Why Image Dimensions Matter
Using the correct image sizes ensures your content looks professional.
Each social media platform has specific image dimension requirements. When you upload an image that does not match these dimensions, the platform will automatically crop or resize it — often cutting off important parts of your image or making it look blurry.
Using properly sized images ensures your photos look sharp, your graphics display correctly, and your brand maintains a professional appearance across all platforms.
2025 Social Media Image Size Reference
| Platform | Type | Dimensions |
|---|---|---|
| Post | 1080 × 1080 | |
| Story/Reels | 1080 × 1920 | |
| YouTube | Thumbnail | 1280 × 720 |
| YouTube | Channel Banner | 2560 × 1440 |
| Post | 1200 × 630 | |
| Cover Photo | 820 × 312 | |
| Twitter/X | Post | 1200 × 675 |
| Twitter/X | Header | 1500 × 500 |
| Post | 1200 × 627 | |
| Cover Photo | 1128 × 191 |
100% Private & Secure
Your images never leave your device.
Unlike online tools that upload your photos to remote servers, our tool processes everything locally in your browser. This means your images remain completely private — no uploads, no server storage, no third-party access.
Frequently Asked Questions
Common questions about our Social Media Resizer.