Free Image Prepper - Batch Optimizer & Social Media Resizer

Yes, Image Prepper is 100% free with no limits on usage. All processing happens in your browser for complete privacy. No signup, no watermarks, no hidden costs.

Image Prepper supports JPG, PNG, and WebP input formats. You can convert to WebP or JPG output formats with custom quality settings.

We support 30+ presets for Instagram, Facebook, LinkedIn, Twitter/X, YouTube, TikTok, Pinterest, and more with optimal dimensions and quality settings.

You can batch process up to 25 images simultaneously. This allows you to optimize entire photo collections or prepare multiple social media posts in one go.

85-90: Best for high-quality prints and professional work. 75-80: Balanced for most web and social media use (recommended). 60-70: Smaller file sizes for fast loading. 50-60: Maximum compression for very large batches.

WebP provides 25-35% smaller file sizes than JPG with the same quality, making it perfect for websites and modern platforms. Use JPG for maximum compatibility with older devices and social media.

No! All image processing happens entirely in your browser using JavaScript. Your images never leave your device, ensuring complete privacy and security. Nothing is uploaded or stored anywhere.

Yes! Select "Custom Dimensions" from the preset dropdown to enter any width and height you need. Perfect for specific website requirements or unique use cases.

When processing multiple images, you can download all optimized images at once in a convenient ZIP archive instead of downloading each file individually.

Yes! Image Prepper is fully responsive and works on smartphones and tablets. However, processing large batches may be slower on mobile devices due to hardware limitations.