imgdomino

Resize Image Online

Quickly change image dimensions by pixel or percentage without installing any software.

or, drag and drop image here

How to Resize Images Online

  1. Select or drag and drop your image into the drop zone above.
  2. Choose whether to resize by exact Pixels or by Percentage.
  3. Keep Maintain Aspect Ratio checked to prevent image distortion.
  4. Click Download Resized Image to save the file to your device.

📏 Perfect Aspect Ratio

Our automatic ratio lock ensures your images are resized proportionally, preserving original sharpness without stretching or squeezing.

🔒 Fast & Secure

All image scaling happens instantly inside your browser. No files are uploaded to any server, keeping your pictures completely private.

Why Resize Your Images?

Uploading an oversized image can slow down a website, get rejected by a form, or simply look wrong once cropped by a platform. Resizing to the right dimensions upfront saves time and avoids these issues.

  • Website & blog images — match the exact dimensions your theme or CMS expects instead of relying on the browser to scale it down.
  • Social media & profile photos — platforms like LinkedIn, Instagram, or Discord have specific recommended sizes for the best display.
  • Forms & upload limits — many websites reject images above certain pixel dimensions; resizing first avoids upload errors.
  • Faster page loads — an image resized to its actual display size loads faster than a large one scaled down by CSS.

Frequently Asked Questions

Will resizing my image reduce its quality?

Downsizing an image generally keeps it looking crisp and clear. However, enlarging an image past its original dimensions can cause pixelation or blurriness.

What does "Maintain Aspect Ratio" mean?

Maintaining aspect ratio ensures that when you change the width, the height automatically updates proportionally (and vice versa). This prevents your image from looking stretched or distorted.

Are my uploaded images secure?

Yes, completely! All redimensioning happens locally inside your browser using HTML5 Canvas. Your photos are never sent to external servers or stored anywhere.

Should I resize by pixels or by percentage?

Use pixels when you need an exact size (e.g. a website theme requiring 1200×630px). Use percentage when you simply want to scale the image down proportionally without worrying about exact numbers.

Can I enlarge a small image without losing quality?

You can increase dimensions beyond the original size, but since no new detail is created, the result may appear softer or slightly pixelated the more you enlarge it.

What image formats can I resize?

You can upload JPG, PNG, or WEBP images, and choose any of these three formats as your output.