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12 Best Image Resizer & Optimizer Tools of 2021 (Free, Paid, Online)


Discover the best image resizer and optimizer tools to crop and resize images from stories to ads, posts, cover photos and event pages.

image resizer

Images are critical to the way your customers visualize your business and product. When used properly, it helps you win their trust and generate higher sales numbers. Your target audience tends to prefer and easily remember visual content over plain text-based ones. 

Using images to represent your product, service, or brand is not enough. You have to ensure that the images you use are beautiful and high-resolution photos optimized for the platform you are posting them on. If the images you use are not the right size or appear distorted, it ruins your entire messaging and makes your business appear less professional.

Creating images and then resizing them to fit several platforms can be difficult if you have no experience in graphic design. Thanks to the availability of image resizer and optimizer tools, you can easily navigate this obstacle.

There are several image resizer and optimizer tools in the market. Comparing every one of them to find the best can be time-consuming to accomplish.

In this article, you will learn about 12 of the best image resizer and optimizer tools of 2021 (free, paid, and online).

Let’s get started.

Promo

Best Overall Image Resizer & Optimizer Tool

Try Promo

BeFunky

Best for Complementary Options

Try BeFunky

Adobe Spark

Best for Social Media Platforms

Try Adobe Spark

Fotor

Best for Advanced Options

Try Fotor

Crello

Best for Quick Output

Try Crello

Icecream Image Resizer for Windows

Best for Commercial Use

Try Icecream Apps

Shopify’s Free Online Image Resizer

Best for User Friendly Interface

Try Shopify

ResizeImage.net

Best for Beginners

Try ResizeImage.net

ILoveIMG

Best for Simple Tools

Try ILoveIMG

Shutterstock

Best for Free Features

Try Shutterstock

ImageResizer

Best for Image Output Quality

Try ImageResizer

Simple Image Resizer

Best for Simple & Free Features

Try Simple Image Resizer

1. Promo

Best Image Resizer and Optimizer Tool with Longest List of Dedicated Image Sizes

Promo is the Best Image Resizer and Optimizer Tool with Longest List of Dedicated Image Sizes

Promo is a website that offers you a collection of media editing tools and applications, one of which is an image resizer. This image resizer gives you extra options for your image editing needs. You can either upload images for resizing from your device, import from a URL, or drag and drop an image from your device. It makes it easy for users with no design experience to resize any image of their choice for any use.

The image resizer lets you manually set the exact dimensions for the width and height of your image as well as the X and Y scale ratios. You also have the option of locking in the aspect ratio accompanying the imported image. 

Additionally, if you do not like manually inputting figures or want to make use of images for social media purposes, Promo has you covered. You have access to specific resize dimensions dedicated to different internet and social media platforms. These platforms include Facebook, Instagram, Twitter, YouTube, Pinterest, LinkedIn, Snapchat, Email and Blog app, and Google Display Network.

Pricing

Promo’s image resizer is available to you for free.

2. BeFunky

Best Image Resizer Accompanied by Exclusive Undo, Redo, And History Options

BeFunky is the Best Image Resizer Accompanied by Exclusive Undo, Redo, and History Options

BeFunky is an image resizer that offers you the most comprehensive list of complementary options for your image editing needs. The online image editing application gives you other extra options apart from just resizing your images, such as applying layers, filters, overlays, and effects, among others.

For resizing your images, BeFunky lets you manually set the width, height, X-scale ratio, and Y-scale ratio of your images. You are also allowed to lock the aspect ratio of the image being edited. 

With the image resizer, you can easily undo any action when you make a mistake, redo actions, and even have access to the history of changes you have made to the image. If the tool proves a little overwhelming for you, a tutorial from BeFunky is available to you for reference. 

Pricing

BeFunky Pricing Plan

You have access to BeFunky’s basic image resizing capabilities for free. The more advanced options like batch image processing (including resizing), among others, are offered through BeFunky’s Plus plan. You save 44% on an annual subscription.

3. Adobe Spark

Best Image Optimizer Tool with Dedicated Dimensions for Specific Use on Social Media Platforms

Adobe Spark is the Best Image Optimizer Tool with Dedicated Dimensions

Adobe Spark is an online media editing tool owned by Adobe that offers users multiple options for both image and video editing. It also offers easy-to-use photo resizing capabilities. 

To resize your image, you simply upload it from your device in the supported formats of either JPG or PNG. Adobe Spark allows you to set the width and height of the image. It provides you with an intuitive slider that allows you to easily set the scale of the image. 

Separated from these manual options, the image resizer also provides you with a dynamic set of dimensions dedicated to different social media platforms including Facebook, LinkedIn, Twitter, and YouTube, and for different purposes. 

Pricing

Adobe Spark’s image resizing capabilities are available to you for free.

4. Fotor

Free Image Resizer with Beneficial, Complementary, and Advanced Image Editing Options

Fotor is a Free Image Resizer with Beneficial, Complementary, and Advanced Image Editing Options

Fotor offers an image resizer application that serves as a sufficient tool for taking care of your resizing needs. Alongside manually entering the desired width and height for your image, the online tool allows you to change the size by percentage and also lock in the accompanying aspect ratio. 

The image resizer offers you dedicated dimensions for different social media platforms. These platforms include Facebook, Instagram, YouTube, Twitter, and Pinterest, among others. 

As one of the best image editing software in the market, Fotor also offers you other beneficial tools and options. They include image rotation, background removal, adding texts, HDR image editing, and applying effects to images, among a whole lot of others.

Pricing

Fotor’s online image resizer is free for you to use.

5. Crello

Best Image Resizer and Optimizer Tool with the Widest Range of Output Options

Crello is the Best Image Resizer and Optimizer Tool with the Widest Range of Output Options

Compatible with jpg, png, and jpeg image import formats, Crello is a media editing web application that presents you with a free image resizing tool to quickly make edits to your photos. 

The tool allows you to manually input your preferred dimensions in pixels, inches, or centimeters. Just like other tools, you also have the option to select from a series of dedicated dimensions for different social media platforms, blog illustrations, print, and ad formats. 

Crello’s image resizing tool allows you to resize the same image to different sizes at the same time. It also presents you with other complementary image editing options like adding text boxes, adding objects, adding effects, and adjusting brightness and contrast, among others. 

Once done, you download your resized and edited image in either JPG, PNG, PNG Transparent, PDF Standard, or PDF Print format.

Pricing

Crello’s image resizer is made available to you for free.

6. Icecream Image Resizer for Windows

Best Image Optimizer Tool for Strict Commercial Use of Edited Image

Icecream Image Resizer is the Best Image Optimizer Tool for Strict Commercial Use of Edited Image

Alongside an image resizer, Icecream Apps is an online platform that offers you other useful tools like a PDF editor, video editor, screen recorder, eBook reader, and password manager, among others. 

Icecream image resizer is dedicated to the Windows operating system. It supports the batch processing of an unlimited number of images at the same time using its upgraded version. It supports JPG, JPEG, PNG, BMP, and TIFF file formats.

The image resizer comes free of any watermark and even allows you to add your watermark to images edited using it. Drag and drop editing options are available to you as well as presets for Facebook, email, and mobile devices, among others. You maintain the default aspect ratio of the image and add your logo to it if you wish. 

A VR (Virtual Reality) system helps you automatically apply reversed size settings for vertical images. You enjoy the freedom of choosing your desired destination for saving the edited image.

Pricing

Icecream Image Resizer Pricing Plan

The Icecream image editor is available to you through two different pricing plans: free and pro plan.

The free plan comes with an image queuing limit of three while the pro plan has no image queuing limits and a lifetime license for two computers. The pro plan also gives you priority support and allows you to add your watermark to your images and make use of these images for commercial purposes.

7. Shopify’s Free Online Image Resizer

Good Image Resizer with Minimalist and User-Friendly Interface

Shopify’s Free Online Image Resizer with Minimalist and User Friendly Interface

Shopify is an eCommerce platform that offers an image resizer and optimizer tool for free. The online image resizer serves as an optimizer tool that makes sure that you have the perfect images for all your online business activities. It presents you with dimensions optimized for a social media profile, product photo for your online store, or an e-newsletter, among other purposes.

Sadly, the tool only limits you to only three dimensions to which you can resize your images: compact (1024px x 1024px), medium (2048px x 2048px), and large (4472px x 4472px). Nonetheless, it makes up for this with its batch image processing capabilities. 

Shopify’s image resizer allows you to resize up to six images at the same time. You can add images by dragging and dropping them in the resizer.

Pricing

Shopify’s online image resizer is available to you for free. 

8. ResizeImage.net

Best Image Optimizer Tool that Enables You to Resize GIFs

ResizeImage.net is the Best Image Optimizer Tool that Enables You to Resize GIFs

Coming as a very basic website with a lot of options for editing images, ResizeImage.net may not be the best choice for beginners. The image resizer is fully accompanied by full image cropping and image rotating capabilities for extra image editing options. It also allows you to resize GIFs.

With ResizeImage.net, you upload images or GIFs in the supported JPEG, PNG, GIF, or BMP format with a maximum size of 100MB.  You can also adjust the dimensions either manually or using an intuitive slide.

The image resizer lets you keep the aspect ratio and set how you want the image background to look. Output formats include JPG, PNG, GIF, and BMP. You can also choose the image quality you prefer.

Pricing

ResizeImage.net is available to you for free.

9. ILoveIMG

Best Image Resizer with Unlimited Bulk Processing and a Useful Quality Control Option

ILoveIMG is the Best Image Resizer with Unlimited Bulk Processing and a Useful Quality Control Option

ILoveIMG’s image resizer is a simple tool that offers you easy-to-use image resizing options. It comes with bulk image processing capabilities. You resize your images either manually through pixels by changing the height and width or by percentage, which proves to be easier.

Alongside a choice to maintain the aspect ratio, the image resizing tool presents you with an option to avoid enlarging the image smaller than a particular size. It is done to maintain a considerable quality for the edited image and prevent them from becoming blurry and pixelated.

Pricing

ILoveIMG Pricing Plan

ILoveIMG’s image resizer is available to you for free but for access to more advanced tools and features, two paid plans are provided to you: premium and business.

The premium plan comes with unlimited document processing, customer support, and no ads. The business plan comes with flexible payment options and custom contracts, and it is determined by a quote.

10. Shutterstock

Free Image Optimizer Tool with Multiple Image Size Choices

Shutterstock is a Free Image Optimizer Tool with Multiple Image Size Choices

Shutterstock is another online web application that provides you with a free image resizer to quickly make edits to your images within seconds. The tool gives you the easy options of setting the output to small, medium, or large when resizing your image.

For more specific dimensions, you also have the option of manually inputting pixel values through the custom option. Shutterstock supports JPG and PNG formats. It gives you drag and drop capabilities for easy image import.

Pricing

Shutterstock’s image resizer is made available to you for free.

11. ImageResizer

Online Image Resizer with the Best Image Output Quality

ImageResizer is an Online Image Resizer with the Best Image Output Quality

ImageResizer is optimized to resize your images and maintain the best image quality possible. It comes with drag-and-drop functionality as well as a URL import option.

The free cloud-hosted tool offers you easy-to-use and secure image resizing options compatible with Windows, Linux, and Mac operating systems.

Pricing

ImageResizer is available to you for free.

12. Simple Image Resizer

Best Simple and Free Image Resizer and Optimizer Tool 

Simple Image Resizer is the Best Simple and Free Image Resizer and Optimizer Tool 

As its name suggests, Simple Image Resizer is a very straightforward tool that lets you resize your images to suit your needs. You can use the tool to resize your image by either inputting the exact dimensions or setting the percentage change through an intuitive slider. 

The image realized tool lets you upload images directly from your device. Simple Image Resizer supports the following image formats: JPEG, JPG, PNG, BMP, and GIF. 

Pricing

Simple Image Resizer is available to you for free.

Written by
Anastasia Belyh
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