Create perfect 100×100 pixel square images for avatars, thumbnails, and profile icons. This tool resizes any image to exact pixel dimensions instantly in your browser.
Forum avatars, app icons, contact list thumbnails, and favicon-size images all commonly use 100×100px dimensions.
Try It Now — Free, No Sign-up
Dimensions pre-set to 100×100px. Upload your image and resize instantly.
Resize Image to 100×100px Now100% browser-based • No upload to server • No sign-up required
How to Resize Image to 100×100 Pixels — Perfect Square Thumbnails
- Upload your image (any size)
- Width and height are pre-set to 100×100px
- Click Resize to create your square thumbnail
- Download the 100×100px image
Pro Tips
- Crop your image to a square before resizing for best results
- Use PNG format if you need transparency (logos, icons)
- JPG is better for photos — smaller file size at this dimension
Frequently Asked Questions
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