Free Image Resizer Online (No Uploads) – Resize for Instagram, YouTube & TikTok
Resize images instantly in your browser. No sign-up, no uploads, and 100% free on webtoolls.com.
Need the perfect image size for social media or your website? A fast image resizer helps you avoid blurry uploads, broken aspect ratios, and slow editing apps. With Web Toolls, you can resize photos locally in your browser, meaning your files are not uploaded or stored.
Resize Images for Social Media (Recommended Sizes)
If you post frequently, having a quick resizing workflow saves a lot of time. Here are common sizes:
| Platform | Use Case | Size | Aspect Ratio |
|---|---|---|---|
| Post (Square) | 1080 × 1080 | 1:1 | |
| Instagram / TikTok | Story / Vertical | 1080 × 1920 | 9:16 |
| YouTube | Thumbnail | 1280 × 720 | 16:9 |
| Feed Post | 1200 × 630 | ~1.91:1 | |
| X (Twitter) | Post Image | 1200 × 675 | 16:9 |
Use the Free Image Resizer
Open the tool, upload your photo, pick a preset, and download the resized version: Web Toolls Image Resizer.
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Learn more About Web Toolls or contact us. Browse all tools at webtoolls.com.