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Resize JPG: Change JPEG Dimensions

Resize JPEG images by adjusting dimensions quickly for web, social media, or printing—perfect for reducing large photos, fitting posts, or optimizing uploads.

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resized jpg dimensions using jpeg photo resize tool to adjust image size accurately while maintaining clarity.

How to resize JPEG image?

Step 1

Upload your image

Start by uploading the JPEG image you want to resize. You can either choose the image or drag and drop to the canvas.

Step 2

Choose dimensions or ratio

Select the desired dimensions or aspect ratio for your image, or enter custom size settings for specific platforms.

Step 3

Resize & download

Click "Resize" to change jpg size, then download the resized version, ready to use on social media, or other platforms.

Modify the image's dimensions & aspect ratio

• Changes the width and height in pixels.


• Maintains aspect ratio or can be forced into a new ratio.


• One-click sizes for web, print, display ads, and social media for quick resizing.

aspect ratio of a beautiful instagram travel photo changed using jpg size converter to perfectly fit various social media platform requirements.

Resize jpeg photo without stretching or Cropping

No need to worry about cropped parts when resizing your jpeg! LightX ensures your image fits perfectly while giving you full control. Just move the cursor to adjust the subject within the frame. Plus, with the Scaling option, you can enlarge or shrink your photo while maintaining the chosen aspect ratio. And no! it won’t stretch or pixelate your jpeg.

jpg image resized without cropping using jpeg size changer to preserve full content and original composition.

Customize with added padding

Don’t want to lose any part of your photo? No worries! LightX lets you resize your image and add padding around the edges to keep every detail intact. This way, you can fit your jpeg photo perfectly without cropping at all. The padding is fully customizable. Choose any color, texture, or even use a blurred version of your image as the background in one click.

additional padding added to a digital painting and resized into a larger jpg format using change jpg dimensions tool.

Do more with LightX

LightX is more than just a JPEG dimension resizer—you can unlock a full range of tools to enhance and optimize your images. You can:


✓  Reduce file size without quality loss.
✓  Convert to multiple formats like PNG, WEBP, and more.
✓  Add captions, watermarks, or custom graphics.
✓  Instantly remove out backgrounds with AI.
✓  Quickly adjust the framing, rotate, or straighten your images.

webp image converted to jpg and resized using jpeg size converter for compatibility with uploads and professional usage.

Frequently Asked Questions

LightX offers preset sizes for profile pictures, social media posts, banners, presentations, traditional prints, and more. Simply upload your picture, select the platform or intended use, and with one click, your JPEG will be resized.

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