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Free Image Resizer Online

Resize images to any size right in your browser. 100% private — nothing is uploaded.

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How to Resize an Image Online

1

Upload your image

Click the upload area and select any image. JPG, PNG, WebP, and GIF are all supported.

2

Set your target dimensions

Enter width and height in pixels. With aspect ratio checked, changing one updates the other automatically.

3

Adjust quality and download

Use the quality slider (90% recommended), then click "Resize & Download" to save your resized image.

Frequently Asked Questions

What image formats are supported?

JPG, PNG, GIF, WebP, and most standard image formats. The output is downloaded as a JPEG file.

Is my image uploaded to a server?

No. Your image never leaves your device. All resizing happens locally in your browser — completely private.

What sizes should I use for social media?

Instagram: 1080×1080. Twitter/X header: 1500×500. Facebook cover: 820×312. YouTube thumbnail: 1280×720.

Will resizing reduce image quality?

Shrinking maintains good quality. Enlarging beyond the original size will reduce sharpness.

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