Top 12 FREE Online Tools Resize Images on Mac 2023 - A Step-by-Step Guide

We've all been there – you've got a stunning image that's just a tad too large for your project or needs some resizing for social media, but you're not sure how to do it without sacrificing quality.Well, fret not, because in the ever-evolving digital landscape of 2023, Mac users have an array of fantastic, free online tools at their fingertips for all their image resizing needs.In this guide, we'll take you through the top 15 online image resizing tools, sharing their key features and how to use them step by step.

Key Features to Look for in Image Resizing Tools

1. Image formats supported: Different tools support various image formats. Make sure the tool you choose can handle the formats you commonly work with, whether it's JPEG, JPEG-XL, PNG, AVIF,  WebP or more.
2. Ease of use: User-friendliness matters. A tool with an intuitive interface can save you time and frustration, especially if you're not a professional graphic designer.
3. Batch processing capabilities: If you need to resize multiple images at once, look for a tool that allows batch processing. This can be a real time-saver.
4. Compression options: Image compression can help reduce file sizes without sacrificing quality. Check if the tool provides options for adjusting image compression.
5. Output format choices: Depending on your needs, you might want to change the output format of your resized images. Ensure the tool supports the formats you require.
6. Speed and performance: The time it takes to resize an image can vary between tools. Faster tools can improve your workflow, so it's worth considering performance.

1. Front.Space:

Key Features:

1. Supported Image Formats: Front.Space supports an extensive range of image formats, leaving no room for compatibility issues. From JPEG to WebP, it covers all your format needs.
2. User-Friendly Interface: The user interface is intuitive and easy to navigate, ensuring a smooth resizing experience, even if you're new to image editing.
3. Batch Processing: For those times when you need to resize multiple images simultaneously, Front.Space has your back. You can upload and process several images in one go, saving you valuable time.
4. Compression Options: Front.Space offers advanced image compression capabilities, allowing you to strike the right balance between image quality and file size. This feature is particularly handy when optimizing images for websites and social media.

How to Use Front.Space:

1. Sign Up for Front.Space: If you haven't done so already, sign up for a Front.Space account. You can choose between free and paid plans depending on your requirements.
2. Upload Your Image to Front.Space: After logging in, upload the image you want to edit to your Front.Space account. This can typically be done through the Front.Space dashboard.
3. Obtain the Image URL: Go to your Front.Space dashboard, find the image you wish to edit, and click on it to access the details. The image's URL will be displayed there. Copy this URL
4. Edit the URL for Cropping, Resizing and Rotating Images: Front.Space provides URL-based transformations for real-time editing. To remove the background of an image on the fly, specify the resize effect (ar_<ratio value>)

2. BeFunky

Key Features:

1. Editing Capabilities: BeFunky goes beyond resizing, offering a plethora of photo editing tools. You can enhance, retouch, and add filters and effects to your images.
2. Resizing Options: Of course, it excels at resizing as well, making it suitable for various tasks, from social media posts to website images.
3. Templates for Social Media: BeFunky offers ready-made templates for various social media platforms, simplifying the process of creating visuals that fit perfectly.

How to Use BeFunky:

1. Visit the BeFunky website.
2. Upload your image or start with a blank canvas if you're feeling creative.
3. Use the editing tools to enhance or retouch your image.
4. When you're ready to resize, go to the "Resize" tab.
5. Select your desired dimensions and format.
6. Customize the quality settings if needed.
7. Hit "Apply" to resize your image.
8. Once done, you can save your image or share it directly on social media.

3. Canva

Key Features:

1. Template Library: Canva boasts an extensive library of templates for various design needs. From social media graphics to marketing materials, you'll find a template that suits your purpose.
2. Customizable Designs: You can start from scratch or modify existing templates. Canva allows you to add your personal touch by changing colors, fonts, and elements to match your branding.
3. Collaboration Features: Need to work with a team? Canva offers collaboration tools that make it easy to create designs together, even if your team members are spread out across the globe.

How to Use Canva:

1. Visit the Canva website and sign in or create an account if you don't have one already.
2. Choose the type of design you want to create or resize. For image resizing, you can start with a blank canvas or upload your existing image.
3. Customize your design by adding text, elements, and more. If resizing, adjust the dimensions to your desired size.
4. Download your resized image or share it directly from Canva.

4. PIXLR

Our next stop on the tour of image resizing tools for Mac users is PIXLR, and it's a versatile option for those who want more advanced image editing capabilities.

Key Features:

1. Advanced Editing Tools: PIXLR offers a wide array of editing tools, making it a solid choice for users looking to do more than just resizing. You can retouch, apply filters, and make various adjustments to your images.
2. Layer Support: If you're into more complex graphic designs or want to combine multiple images, PIXLR supports layers, giving you a level of creative freedom that basic resizers can't provide.
3. Filters and Effects: In addition to resizing, PIXLR comes packed with filters and effects that can transform your images into unique works of art.

How to Use PIXLR:

1. Visit the PIXLR website.
2. Open your image or start a new project.
3. Use the editing tools to make adjustments or apply effects. If resizing, go to "Image" > "Image Size" to set your preferred dimensions.
4. Apply your changes and save your image.

5. ResizePixel

ResizePixel, a user-friendly image resizing tool that's perfect for Mac users who want a simple and straightforward resizing solution.

Key Features:

1. Simple Interface: ResizePixel offers an intuitive and uncomplicated interface, making it accessible for users of all experience levels.
2. Preset Sizes for Social Media: For those moments when you need to quickly resize images for various social media platforms, ResizePixel provides preset dimensions, saving you time and ensuring your visuals fit perfectly.
3. Custom Resizing Options: While it's easy to use, ResizePixel also allows you to customize dimensions, making it versatile for a wide range of projects.

How to Use ResizePixel:

1. Go to the ResizePixel website.
2. Upload your image by clicking on the "Upload Image" button.
3. Choose a preset size or customize the dimensions.
4. Optionally, adjust compression settings to balance image quality and file size.
5. Click "Resize Image" to process your image.
6. Once done, download your resized image.

6. iLoveIMG

Next on our list is iLoveIMG, an online tool that takes the hassle out of resizing images. If you need a quick and easy solution for batch resizing, this one's for you.

Key Features:

1. Batch Resizing: iLoveIMG is all about efficiency. It allows you to resize multiple images simultaneously, which can save a tremendous amount of time when you're dealing with a large number of visuals.
2. Compression Options: Image optimization is made simple with iLoveIMG's compression features. You can reduce file sizes without compromising image quality.
3. Image Conversion: In addition to resizing, this tool supports image conversion. You can change the format of your images to suit your needs.

How to Use iLoveIMG:

1. Visit the iLoveIMG website.
2. Click on the "Select Images" button to upload the images you want to resize.
3. Set your preferred dimensions for resizing.
4. Optionally, adjust compression settings to control image quality and file size.
5. Click the "Resize Images" button to start the process.

7. Adobe Creative Cloud Express

Our next tool, Adobe Creative Cloud Express, is not just an image resizer but a versatile design platform. It's an excellent choice for Mac users who want to create visually appealing content.

Key Features:

1. Templates for Social Media: Adobe Express offers a wide range of customizable templates designed for various social media platforms. Whether it's Instagram, Facebook, or Twitter, you'll find a template that suits your needs.
2. Customization Options: You can personalize templates with your own text, images, and branding elements. This means you can resize and customize images to match your unique style.
3. Collaboration Features: If you're working with a team or need feedback on your designs, Adobe Spark makes it easy to collaborate and share your work.

How to Use Adobe Express:

1. Visit the Adobe Express website and sign in or create an account.
2. Choose the type of content you want to create, whether it's a social media post, web page, or video.
3. Select a template or start from scratch.
4. Customize your design by adding text, images, and other elements.
5. To resize an image, simply adjust its dimensions to fit your requirements.
6. Once you're satisfied, you can download your resized image or share it directly.

8. FotoJet

If you're looking for a versatile online tool that not only resizes images but also offers design and collage-making capabilities, FotoJet is a great choice for Mac users.

Key Features:

1. Design Templates: FotoJet provides a variety of templates for social media posts, posters, flyers, and more. This means you can resize images within the context of your design.
2. Photo Editing Tools: In addition to resizing, you can enhance your images with FotoJet's built-in photo editing features, such as filters, text, and overlays.
3. Collage Maker: If you want to create collages with multiple resized images, FotoJet has a user-friendly collage maker that makes the process a breeze.

How to Use FotoJet:

1. Visit the FotoJet website.
2. Choose the type of design you want to create or start with a blank canvas.
3. Select a template or begin with your image.
4. Customize your design or images by adding text, filters, and other elements.
5. To resize images, simply adjust their dimensions within your design.
6. Once your design is ready, you can save or share it directly.

9. LunaPic

Key Features:

• Online photo editor with numerous editing options.
• Supports animated GIF resizing and editing.
• Offers a wide range of effects and filters for creative adjustments.

How to Use LunaPic:

1. Visit the LunaPic website in your web browser.
2. Upload your image by clicking the "Choose File" button.
3. Use LunaPic's editing tools to resize, edit, and enhance your image.
4. Once you're satisfied, click "Save" to download your resized image.

10. Resizeme

Key Features:

• Easy-to-use interface for quick image resizing.
• Supports batch processing for multiple images.
• Provides basic image compression options.

How to Use Resizeme:

1. Go to the Resizeme website.
2. Click the "Choose Image" button to upload your image.
3. Set your desired dimensions for resizing.
4. Optionally, adjust compression settings if needed.
5. Click "Resize Image" to process your image.
6. Once done, you can download your resized image.

11. Kapwing

Key Features:

• Online multimedia editing suite with resizing options.
• Supports video and image resizing, along with text and audio addition.
• Collaborative and social media-friendly features.

How to Use Kapwing:

1. Visit the Kapwing website and sign in or create an account if needed.
2. Choose the type of content you want to create or upload, whether it's an image or video.
3. Use the resizing and editing tools to adjust your content as desired.
4. Add text, audio, or other elements if needed.
5. Once your content is ready, click "Create" to process it.
6. After processing, you can download your resized content.

12. ResizePicOnline

Key Features:

• A simple online tool for resizing images without complex features.
• Allows users to adjust image dimensions quickly.
• Supports basic format conversion.

How to Use ResizePicOnline:

1. Visit the ResizePicOnline website.
2. Click the "Choose Image" button to upload your image.
3. Set your desired dimensions for resizing.
4. Optionally, choose a different image format if needed.
5. Click "Resize" to process your image.
6. Once the resizing is complete, download your resized image.

Frequently Asked Questions about Resizing Images

1. How do I resize an image on my Mac?

• Answer: You can use various online tools like Front.Space, BeFunky to easily resize images on your Mac for FREE.

2. What is the ideal image size for social media posts?

• Answer: The ideal image size varies by platform, but a common size for social media posts is 1080 x 1080 pixels for square images, and 1080 x 1920 pixels for vertical images.

3. Can I resize multiple images at once using online tools?

• Answer: Yes, many online tools, like Front.Space, offer batch processing, allowing you to resize multiple images simultaneously.

4. How do I maintain image quality while resizing?

• Answer: To maintain image quality, choose a tool that offers image compression settings and select a lower compression level. This will reduce file size while preserving quality. AI-Optimisation Platforms like Front.Space is go to option for marketers and developers to resize the images while preserving the quality

5. What is the difference between resizing and cropping an image?

• Answer: Resizing changes the dimensions of an entire image, while cropping trims a portion of the image, altering its composition.

6. Can I upscale a low-resolution image to a higher resolution?

• Answer: Yes, but upscaling may lead to a loss of image quality. Use AI-powered upscaling tools like Front.Space, Upscale.Media or Media.io for better results.

7. Are there recommended image formats for specific use cases?

• Answer: Yes, JPEG-XL is suitable for photographs, while PNG is better for images with transparency. SVG is ideal for scalable graphics.

8. Do I need to maintain the image's original aspect ratio while resizing?

• Answer: It depends on your requirements. Maintaining the original aspect ratio prevents distortion, but you can change it if needed.

9. What's the best tool for resizing images for print materials like brochures or posters?

• Answer: Adobe Spark and Canva offer templates and design options ideal for creating high-quality print materials.

10. Can I resize GIFs using online tools, and do they lose animation quality?

• Answer: Yes, online tools like Front.Space allow GIF resizing. While resizing may affect quality, many tools offer options to maintain animation speed.