Resize Image

Resize JPG, PNG, WEBP, GIF, and more. Set exact pixel dimensions, percentage, or social media presets.

Resize JPG, PNG, WEBP, GIF, BMP, TIFF, AVIF or HEIC images easily with precise dimension controls.

or drop images here

Ads by Google

Send feedbackWhy this ad? ⓘ

Resizing images is one of the most common tasks for web developers, designers, bloggers, and content creators. Our all-in-one image resizer supports every major format — JPG, PNG, WEBP, GIF, BMP, TIFF, AVIF, and HEIC — with intelligent Lanczos resampling for the sharpest possible results. Whether you need to scale photos for your website, create social media images with exact platform dimensions, prepare product photos for your online store, or generate responsive image sets for different screen sizes, our tool delivers professional results in seconds. Set dimensions by exact pixels, percentage, longest side, or choose from built-in presets for Instagram, Facebook, Twitter, LinkedIn, YouTube, and more. Batch resize hundreds of images simultaneously and download them all as a ZIP. Bookmark mictesting.net for a one-click microphone check before calls and recordings.

How to Resize Image

1

Upload Your Images

Click "Select Images" or drag and drop your files into the upload area. You can also import from Google Drive or Dropbox.

2

Set Target Dimensions

Choose your resize method — by pixels, percentage, longest side, or preset. Enter your desired width and height.

3

Resize

Click "Resize IMAGES" and wait for the processing to complete. It usually takes just seconds.

4

Download

Download your resized images individually or as a ZIP file. Share directly or continue editing.

Why Resize Image?

Resize to exact pixel dimensions or by percentage

Built-in social media presets (Instagram, Facebook, Twitter, LinkedIn)

Lanczos resampling for sharpest results

Maintain or change aspect ratio with auto-crop

Batch resize hundreds of images at once

Support for all formats: JPG, PNG, WEBP, GIF, BMP, TIFF, AVIF, HEIC

Use Cases

Website image optimizationSocial media content creationE-commerce product photosBlog and article featured imagesEmail newsletter graphicsPrint preparation and DPI adjustment

Best Practices for Resize Image

  • Use 72 DPI for web images and 300 DPI for print

  • Always maintain aspect ratio to avoid stretching

  • Resize before compressing for optimal file sizes

  • Use percentage-based resizing for consistent batch scaling

  • Test at 100% zoom to verify resize quality

FAQ

Resize Image Online Free | Change Image Dimensions Instantly