Online Image Resizer

How to Resize an Image

Use our free online image resizer to quickly resize your images for social media, printing, and presentations. You can easily adjust dimensions, reduce file size, or optimize images for faster loading with our easy-to-use tool. Follow these simple steps to resize your image:

  1. Upload the images you want to resize from your computer, smartphone, or tablet.
  2. Specify your desired dimensions in pixels or resize by setting a percentage of the original width and height. You can also choose to compress the images to reduce file size without compromising quality.
  3. Click the resize button, and in just a few seconds, download your optimized images.

Our tool maintains the original aspect ratio to prevent distortion.

Best Image Sizes for Different Use Cases

Use our image resizer to optimize your images for various platforms and purposes. Below are some recommended dimensions for common use cases, ensuring that your images maintain quality and load quickly.

Resize Images for Social Media (Instagram, Facebook, LinkedIn)

Easily resize images for popular social media platforms to ensure your visuals look sharp and professional. Some platforms may require several sizes for optimal display across devices. Here are some recommended dimensions:

  • Instagram post: 1080x1080 pixels (square)
  • Facebook post: 1200x628 pixels (landscape)
  • LinkedIn post: 1200x627 pixels (landscape)

For more information, see the guidelines from Instagram, Meta, and LinkedIn.

Resize Product Images for E-commerce (Shopify, WooCommerce, Amazon)

For e-commerce, product images are often resized to several dimensions for different contexts, such as thumbnails, main product images, and zoomable views. Properly sized images help ensure faster loading times, improving user experience and increasing sales conversion rates. Here are some commonly used sizes:

  • Shopify product images: 2048x2048 pixels (main image)
  • WooCommerce product images: 800x800 pixels (main image)
  • Amazon product images: 1500x1500 pixels (minimum), 2000x2000 pixels for zoomed-in view
  • Thumbnail image (general): 150x150 pixels

For more information, see the guidelines from Shopify, WooCommerce, and Amazon.

Resize Images for Websites (Blogs, E-commerce, Online Content)

For websites using responsive design, it's often beneficial to resize images into multiple sizes to accommodate different screen resolutions and devices (desktop, tablet, mobile). Below are common sizes for various content types. Resizing images for the web also improves SEO by enhancing page load times and reducing bounce rates.

  • Blog featured image: 1200x628 pixels
  • Large screen (desktop): 1920x1080 pixels
  • Medium screen (tablet): 1280x720 pixels
  • Small screen (mobile): 800x600 pixels

Resize Banner Ads and Display Ads (Google Ads, Facebook Ads)

For online advertisers, it's important to resize banners into multiple sizes to fit various placements and ad formats. Here are the most common sizes:

  • Leaderboard banner: 728x90 pixels
  • Medium rectangle banner: 300x250 pixels
  • Large mobile banner: 320x100 pixels
  • Skyscraper banner: 160x600 pixels

Resize Mobile App Icons (iOS, Android)

For mobile apps, both iOS and Android require app icons to be resized into multiple sizes to fit various contexts (home screen, app drawer, app store, etc.). Ensuring the correct sizes will make your app look professional across devices. Here are the common sizes:

  • App icons (iOS): 1024x1024 pixels (App Store), 180x180, 120x120, 152x152, 167x167, 87x87, 80x80, 60x60, 58x58 pixels for various contexts
  • App icons (Android): 512x512 pixels (Play Store icon), 192x192, 144x144, 96x96, 72x72, 48x48 pixels for different densities

For more information, see the guidelines from Apple and Google.

Resize Video Thumbnails (YouTube, Vimeo)

For video content creators, well-sized thumbnails are essential for attracting viewers. Here's the recommended size:

  • YouTube video thumbnails: 1280x720 pixels
  • Vimeo video thumbnails: 3840x2160 pixels

For more information, see the guidelines from YouTube and Vimeo.

Resize Images for Presentations (PowerPoint, Google Slides, Canva)

To ensure your images fit seamlessly into slides and keep file sizes manageable, resizing images into multiple sizes may be necessary. Here are ideal dimensions for presentations:

  • Standard slide (16:9 ratio): 1920x1080 pixels
  • Smaller images within text slides: 800x600 pixels

Resize Images for Email Attachments (Gmail, Outlook, Yahoo)

Emails often limit attachment sizes, so resizing images into manageable file sizes can ensure fast delivery. Properly sized images also prevent delays in opening or downloading attachments, improving the overall email experience. Recommended dimensions include:

  • Email header: 600x200 pixels
  • Inline email images: 600x400 pixels
  • File size limit: Under 1MB

Resize Images for Print (Posters, Flyers, Business Cards)

For print materials, high-resolution images are essential to ensure clarity and sharpness. Depending on the type of print, multiple sizes may be required for different formats. Properly sized images prevent pixelation and help ensure that your print materials look professional. Here are recommended sizes:

  • Business cards: 1050x600 pixels (3.5x2 inches at 300 DPI)
  • Flyers: 2550x3300 pixels (8.5x11 inches at 300 DPI)
  • Posters: 5100x6600 pixels (17x22 inches at 300 DPI)

Bulk Resize Images

Need to resize multiple images at once? Our bulk resize tool allows you to upload several images and resize them all with the same settings, saving you time and effort. This feature is perfect for managing large image libraries, streamlining your workflow, and ensuring consistency across all your images. Great for photographers, social media managers, and e-commerce sellers.

Just upload your images, set the dimensions, and click 'Resize all' to download everything in one convenient ZIP file.

FAQ

Will my image lose quality when resized or compressed?
Our image resizer maintains the original quality as much as possible by preserving aspect ratios and allowing you to choose high-quality output settings. Some quality loss may occur when reducing file size, but we offer compression options to minimize this impact.
What is the best image size for web use or printing?
The optimal image size depends on your use case. For web use, smaller sizes (e.g., 1200x800 pixels) improve load times, boosting SEO and user experience. For printing, higher resolutions (300 DPI or more) maintain clarity and professional-quality prints.
Can I resize images directly from my mobile device?
Yes, our tool is fully optimized for use on smartphones and tablets. You can upload, resize, and download images directly from your mobile device, making it easy to edit on the go.
What image format is best for web optimization?
For web use, WEBP offers excellent compression while maintaining quality. If you need wide compatibility or transparency, consider using JPG or PNG. Our tool supports all these formats and allows you to choose the best one for your needs.
Can I resize images without losing transparency?
Yes, our tool supports formats like PNG and GIF, which preserve transparency when resizing. This is especially useful for logos, icons, and other graphics that require a transparent background.
Is there a limit to how many images I can resize at once?
Our bulk resize feature supports resizing multiple images simultaneously. While there's no strict limit, we recommend resizing up to 100 images at a time to ensure smooth performance.
Are my images safe and private?
Yes, your images are completely safe. They're never stored on our servers, so only you have access to them while using the tool. Once you're done, your files stay private and secure.