Free Image Resizer

The online image resizer allows you to resize images without losing quality. Just upload the image & click the given button to change image size instantly.

Max File size (5MB)

Following the below steps will enable you to resize image files effortlessly.

1. Choose Image

First, select an image from your device to our image resizer.

2. Adjust Dimensions

After uploading the image, adjust the dimensions and quality you want.

3. Click Resize

Hit the Resize Image button to initiate the process.

4. Download Image

The resized image will appear on your screen. Click the Download button and save it to your device.

DupliChecker offers a free image resizer that helps users quickly resize image files as per their defined dimensions and quality. The tool's features and quality results make it perfect among all other online image resizing utilities. The online image size converter uses advanced resizing algorithms to efficiently resize images by maintaining their original quality.

Duplichecker’s image resizer has many advanced features that make it an efficient tool for resizing images. The most prominent features include the following:

  • Simple to Use Interface

  • The user-friendly interface of our image size converter makes resizing images quite convenient for everyone. You don’t need to follow any complex procedure to use this web-based tool.

  • Quickly Resize Image

  • The image resize online tool provides you with the fastest resizing process. It keeps your image's quality intact while resizing it as per your input. You will get the resized image file in a few seconds.

  • Support Multiple Image Formats

  • Do you want to change image size with different formats? Use our efficient tool to resize image size quickly and easily. After changing the image size, you can save the resultant image in your preferred formats, such as JPG, PNG, and JPEG.

  • Privacy Guaranteed

  • Our free online image resizer is popular due to its secure resizing process. The users’s uploaded images will never be saved or shared with any third party for any purpose. After resizing, the images you upload on our image dimension changer will automatically be deleted from the servers.

  • It’s Free

  • There are no charges you need to pay while using this image size converter online. You can resize images online and safely without creating an account or buying any membership.

  • Easily Resize Image Pixels

  • The image size varies while uploading on social media platforms. To upload images successfully, it is essential to resize their pixels according to the required format. You can easily change image size in pixels according to your defined dimensions and quality using this image resizer free.

  • No Need to Install Software

  • Our online image resize tool is an entirely web-based service that allows you to resize images without installing massive software on your device. You only need a good internet connection to access and use this image resizer online free.

  • Works on All Devices

  • The online image size resizer is compatible with all devices. Whether you are using a Mac, smartphone, laptop, or desktop, you won’t find any difference in the working of our image size changer. You can access this online utility from any device and resize image files effortlessly.

People working in different fields can use the online image size converter. The main users include the following:

  • Graphic Designers

  • The online image resolution changer can be a perfect utility for graphic designers, as they need to bring the visual assets in the correct dimensions. Graphic designers can easily adjust the width and height of the visuals they have created for clients.

  • Photographers

  • Photographers need to ensure their clicked pictures are in the right dimensions. If not, then their entire hard work can go in vain. An online image dimension changer will help them to adjust the image size as per their preferences.

  • Bloggers

  • Bloggers need to update new blogs on a daily basis. Adding images to blogs is necessary for them to support their ideas and present a topic effectively. The size of images matters greatly when uploading them. An online image resizer can be a helpful tool for bloggers, enabling them to change image dimensions without spending much time and effort.

  • Students

  • While preparing an assignment, students need to choose the right images for PDF or PowerPoint presentations to display the document in an attractive manner. With the assistance of an image size changer, students can easily adjust the images to the desired sizes they are looking for.

Social networking sites allow users to display, upload, or share pictures with friends, family, and the general audience. However, you cannot simply upload an image in any dimension on all platforms. You need to be aware of image sizes for these platforms.

Below are the sizes for all major platforms according to their different post formats.

  • Image Sizes for Facebook

  • Profile Picture: 170 x 170 pixels

    Post and Timeline: 1200 x 630 pixels

    Story: 1080 x 1920

    Cover Photo: 1200 x 628 pixels

    Feed Ads: 1080 x 1080 pixels

  • Image Sizes for Instagram

  • Profile Picture: 110 x 110 pixels

    Post: 1080 x 1080 pixels

    Story & IGTV: 1080 x 1920 pixels

  • Image Sizes for TikTok

  • Video: 1080 x 1920 pixels

    Profile Picture: 200 x 200 pixels

  • Image Sizes for Twitter

  • Banner: 1500 x 500 pixels

    Profile Picture: 400 x 400 pixels

    Post Image: 1200 x 675 pixels

    Card Image: 120 x 120 pixels

    In-Stream Photo: 1600 x 900 pixels

  • Image Sizes for LinkedIn

  • Profile Image: 400 x 400 pixels

    Background Image: 1584 x 396 pixels

    Post Image: 1200 x 628 pixels

  • Image Sizes for Pinterest

  • Pin: 1000 × 1500 pixels

    Board Cover: 600 x 600 pixels

    Profile Image: 165 x 165 pixels

    Big Thumbnail: 222 x 150 pixels

    Small Thumbnail: 55 x 55 pixels

  • Image Sizes for Snapchat

  • Video Story: 1080 x 1920 pixels

    Image Sizes for YouTube

    Banner: 2560 x 1440 pixels

    Profile Picture: 800 x 800 pixels

    Thumbnail: 1280 x 720 pixels

  • Image Sizes for Website & Email

  • Blog Image: 750 x 750 pixels

    Blog Header: 1200 x 600 pixels

    Email Header: 600 x 200 pixels

How to Resize Image Without Losing Quality?

The online image resizer available on allows you to resize images without compromising quality. This powerful tool preserves the original quality of your images and resizes them as per your requirements.

How Can I Resize an Image to a Specific Quality?

To resize the image to a specific quality, simply upload the file on an image resize utility and adjust the quality percentage by moving the quality slider as you like.

How to Change Dimensions of Image?

After uploading the image on our image resolution changer, the options to change image dimensions will appear on your screen. You can easily change the width and height as per your preference.

How to Resize an Image on iPhone?

To resize an image on an iPhone, you need to:

  • Access the image resizer online using the Safari browser.
  • Tap upload to browse and select an image.
  • Set your preferred dimensions and quality for resizing.
  • Hit the Resize Image button to proceed.
  • Preview the resized image and save it to your device with a single click.

What is the Maximum Image Size Supported by This Online Image Resizer?

The maximum image size supported by this online image resize tool is 5MB. You can upload pictures of this size on this tool to resize them immediately.

Does Resizing Images Affect Quality?

Resizing images may or may not affect quality; it depends on the image dimensions you set. Generally, it is recommended to keep 72PPI, a standard resolution for web images. The more you resize, the more quality will be affected.