🔒100% client-side — Your file stays on your device

Image Resizer

Resize images by exact pixels or percentage online. Free, fast, and 100% private in-browser photo resizing.

🔒100% client-side — Your file stays on your device

Click to upload or drag and drop

Supported formats: image/*

Private In-Browser Photo Resizing

Resize photos for email attachments, social media avatars, or website graphics without sending sensitive files across third-party networks.

Frequently Asked Questions

Can I resize images without distorting aspect ratio?: Yes, our tool includes an automatic aspect ratio lock so your dimensions resize proportionally without stretching.
Is there any limit on image dimensions?: No, Toolzila uses hardware-accelerated HTML5 Canvas to resize high-resolution camera photos safely on your device.