Resize any image to exact pixel dimensions or a ready-made social preset — Instagram, Facebook, LinkedIn, YouTube and more. Lock the aspect ratio, preview the result, and download — all privately in your browser with nothing uploaded.
Resize any image to exact pixel dimensions or a ready-made social preset — Instagram, Facebook, LinkedIn, YouTube and more. Lock the aspect ratio, preview the result, and download — all privately in your browser with nothing uploaded.
Whether you're a professional or just need a quick result, the Image Resizer gives you a fast, reliable image tool that works instantly in your browser. There's no software to install and nothing to sign up for — open the page, get your result and move on. Because everything runs on your own device, it's private by default and available whenever you need it.
The Image Resizer is part of TechToolsCenter — a free, privacy-first collection of 80+ online tools. Everything runs 100% in your browser, so your data stays private and results are instant.
Input
Output
Formats
Add an image from your device. It's processed locally using your browser's canvas — never uploaded.
Crop, resize, convert or adjust with the controls. The preview updates in real time.
Inspect the result at full quality and fine-tune the settings until you're happy.
Export the finished image in your chosen format. No watermarks, no limits, fully private.
Tips
Common mistakes
Best practices
Input
Image upload — e.g. image resizer
Output
Image download, generated instantly in your browser
Yes. Enter any width and height, optionally lock the aspect ratio, or pick a social/document preset for one-click sizing.
It's free, private and works instantly — no sign-up required.