Best Website Image Size: Dimensions, Ratio, & File Size

author - Brenda Peng
Brenda Peng

Updated on

Images play a crucial role in creating engaging websites. They not only enhance the aesthetic appeal but also influence user experience and website performance. However, using improperly sized images can lead to slow loading speeds, poor responsiveness, and suboptimal SEO. In this article, we’ll explore the best image size for a website - covering dimension, aspect ratio, file size, etc. - to ensure your images look great and are tailored for different platforms.

Best Image Size for Most Websites

You can refer to the general website image sizes that are commonly used across most websites. These sizes aim to strike a balance between visual quality and website performance, ensuring that images look good while not slowing down the site.

Generally Recommended Image Sizes for Websites:

Image Aspect Ratio Minimum Pixel Dimensions (pixels) Maximum Pixel Dimensions (pixels) Max Size
Hero/Header 16:9 1920 × 1080 2560 × 1400 10 MB
Background 16:9 1920 × 1080 2560 × 1400 20 MB
Banner Depends on the banner 250 × 250, 468 × 60, 120 × 600 120 × 600 10 MB
Blog 3:2, 4:3, or 16:9 1200 × 630 1500 wide 3 MB
Logo 5:2, 2:3, or 1:1 250 × 100, 160 × 160, 250 × 250 250 × 250 1 MB
Favicon 1:1 16 × 16, 32 × 32 180 × 180 1 MB
Slideshow 16:9 1920 × 1080 2560 × 1440 20 MB
Product 1:1 800 × 800 Depends on the site 20 MB

Note:

  • Specify image resolution to at least 72 ppi to ensure both clarity and a small file size.
  • If your image has a transparent background, we recommend you use the SVG, PNG, or WebP format.
  • Employing the sRGB color profile guarantees that your colors will not appear faded, lackluster, or excessively saturated across various devices, software, and applications.
  • High-resolution images are crucial for online shopping, as they allow visitors to examine the product in great detail. (See how to convert images to high resolution >>)

Best Image Size for Specific Websites

To upload images to a particular website, it is advisable to adhere to the guidelines provided by each site in order to achieve optimal image sizes. Here, we present the best image sizes for various famous websites for your consideration.

Best Image Size for Shopify Website:

Image Aspect Ratio Best Dimensions (pixels) Max Dimensions (pixels)
Product 1:1 2048 × 2048 4472 × 4472
Collection 1:1 1024 × 1024 4472 × 4472
Background 16:9 1920 × 1080 2500 × 1406 (Minimum: 1024 × 768)
Banner 3:1 1600 × 500 2000 × 600 (Minimum: 1200 × 400)
Hero 16:9 1920 × 1080 2500 × 1200 (Minimum: 1280 × 720)
Slideshow 16:9 2000 × 600 2000 × 600 (Minimum: 1200 × 400)
Blog Post 16:9 1800 × 1000 2240 × 1260 (Minimum: 800 × 350)
Logo 4:1, 1:1 400 × 100, 100 × 100 /
Favicon 1:1 16 × 16 /
Social media icon 1:1 32 × 32 /
Menu 1:1 360 × 360 /
Lightbox 16:9 1920 × 1080 /
Thumbnail 1:1 300 × 300 /

Note: Shopify prefers JPG image format, and the file size should be less than 20 MB.

Best Size for Images on Amazon Website:

  • Best image dimensions: 2,000 × 2,000 pixels.
  • Best aspect ratio: 1:1
  • Maximum image dimensions: 10,000 × 10,000 pixels
  • Minimum image dimensions: ≧ 1,000 pixels (width or height)
  • Zoomed-in image dimensions: ≧ 1,600 pixels on the longest side
  • Image file size: ≦ 10 MB

Note: Amazon accepts JPG, PNG, TIF, and GIF format, and JPG image format is preferred.

Best Image Size for Etsy Website:

  • Recommended listing image size: 3000 × 2250 pixels, with a minimum width or height of 2000 pixels
  • Recommended aspect ratio for product images: 4:3
  • Mini shop banner: 1600 × 213 pixels (minimum: 1200px × 160px)
  • Big shop banner: 1600 × 400 pixels (minimum: 1200px × 300px)
  • Order receipt banner: 1600 × 400 pixels (minimum: 760px × 100px)
  • Carousel banner: 1200 × 30 pixels
  • Collage banner: 2 images: 600px × 300px; 3 images: 400px × 300px; 4 images: 300px × 300px
  • Thumbnail: 570 × 456 pixels
  • Team logo: 170 × 100 pixels
  • Shop icon: 500 × 500 pixels
  • Profile picture: 500 × 500 pixels
  • Image file size: Less than 1 MB

Note: Etsy only supports JPG, GIF, and PNG file types. Animated .gif files and transparent .png files are not supported.

Best Image Size for eBay Website:

  • Best image size: 1600 pixels on the longest side (width or height)
  • Minimum image size: 500 × 500 pixels
  • Maximum image size: 9000 × 9000 pixels
  • Best image file size: under 7MB (The maximum file size is 12 MB)
  • Best aspect ratio: 1:1 (square) or 4:3 (rectangular)
  • Image in eBay descriptions: under 480 pixels wide
  • Profile image: 150 × 150 pixels
  • Cover photo: 1200 × 700 pixels

Note: The image should be in PNG, JPEG, TIFF, BMP, or GIF format; animated GIFs are not supported in product images. If the image is in JPEG format, it should be 90 or higher on the JPEG quality scale for clarity.

Best Image Sizes for Other Websites [Updating]:

Website Image Best Dimensions (Pixels) Max File Size
Instagram Profile Photo 320 × 320 8 MB
Story 1080 × 1920
Landscape 1080 × 566
Square 1080 × 1080
IGTV Cover 420 × 645
Portrait 1080 × 1350
Thumbnail 161 × 161
Facebook Profile Photo 170 × 170 8 MB
Landscape 1200 × 630
Portrait 630 × 1200
Square 1200 × 1200
Stories 1080 × 1920
Event Cover 1920 × 1005
Banner 851 × 315
YouTube Thumbnail 1280 × 720 2 MB
Profile Photo 800 × 800
Banner 2048 × 1152
Twitter Banner 1500 × 1500 5 MB
Post 1024 × 512
Card 1200 × 628
Linkedin Profile Photo 400 × 400 8 MB
Company logo 300 × 300
Company page cover image 1536 × 768
Life tab main image 1128 × 376
Life tab custom modules image 502 × 282
Carousel image 1080 × 1080
Landscape 1200 × 628
Portrait 627 × 1200
Blog post 1200 × 627
Cover 1584 × 396
Banner 1128 × 191
Snapchat Story 1080 × 1920 5 MB
Pinterest Pins 1000 × 1500 20 MB
Profile Photo 280 × 280
Board covers 600 × 600

How to Resize Images for Websites to Enhance Sites' Performance?

It is advisable to adjust the dimensions of your images to an appropriate size to facilitate quick and high-quality uploads, thereby enhancing your website's performance. This is particularly crucial for e-commerce websites, where it is recommended to upload product images with a minimum resolution of 800 × 800 pixels. For example, the best image size for Shopify is 2048 × 2048 pixels, Amazon is 2000 × 2000 pixels, eBay is 1600 × 1600 pixels, and so on. Such dimensions allow for effective zooming, ensuring high clarity and the display of intricate details.

You can use Aiarty Image Enhancer to upscale and enhance you images to a higher resolution with super clarity and details to showcase product features, materials, and quality clearly. Aiarty Image Enhancer is an AI image enhancer that deblurs, denoises, restores, and upscales images, generating realistic details for superior clarity and sharpness to help enhance the attractiveness of your images on websites.

Aiarty Image Enhancer Upscale

All functions in Aiarty Image Enhancer to optimize images for websites:

  • Upscale images to different sizes, like 2,000 × 2,000px, 2048 × 2048px, and 10,000 × 10,000px.
  • Upscale images by ×1, ×2, ×4, or ×8 up to 32K for displaying and large prints.
  • Enhance image quality to ensure super clarity and details when zoomed in.
  • Output various DPIs: 72DPI, 96DPI, 150DPI, 200DPI, 300DPI, 500DPI, & 1000DPI.
  • Add descriptive texts to infographic images.
  • Batch process hundreds of product images in one go to save time and effort.

Resize Images for Websites with Aiarty Image Enhancer

Step 1. Download Aiarty Image Enhancer, install and launch it.

Step 2. Drag and drop your image(s) to it, and wait for inference.

Step 3. Choose an AI model to process your image(s). Aiarty Image Enhancer provides 5 AI models to help you enhance and upscale different types of images and photos.

  • More-Detail GAN v3: It significantly enhances realistic detail generation, resulting in clearer and more refined images. Also, it makes images smoother and richer in color with more stable textures.
  • AIGCsmooth v3: This is an AI model designed for AIGCs. It can both generate detailed textures and smoothen AI-generated images with the original characteristics of images remained.
  • More-Detail GAN v2: This AI model is particularly effective for enhancing specific image types that require meticulous attention to detail, such as hair, animal fur, feathers, landscapes, architectural textures like bricks and wood grain, and more.
  • Smooth Diff v2: This AI model is tailor-made for enhancing image types with relatively fewer details, such as 2D animations, cartoons, glass surfaces, smooth textures, and line drawings.
  • Real-Photo v3: This AI model is designed for enhancing and upscaling photorealistic photos for better fidelity and more clarity, and restoring old photos.

Step 4. Choose an upscale option. Aiarty Image Enhancer lets you upscale images by ×1, ×2, ×4, ×8, or upscale to 1K, 2K, 4K, 8K. For example, my image is 500 × 500px and I choose ×4 to upscale it to 2,000 × 2,000px with clear details that Amazon prefers.

Aiarty Image Enhancer Upscale Options

BTW, you are suggested to check the 2-Pass processing option to get a richer and highly detailed image.

Step 5. Optionally, you can click on "Add Text" to add some descriptive text to tell your customers what they are looking at.

Aiarty Image Enhancer Add Text

Step 6. Specify the Export settings like output format (JPG) and DPI (72DPI), and then hit RUN to start.

Pro Tips: Crop & Replace Background for Uploading Images to Websites

If you want to crop your images and change the image background like white background, Aiarty Image Matting is your go-to option.

Aiarty Image Matting is State-Of-The-Art image background removal and replacement software with cropping and quality enhancement functionalities. It adeptly recognizes subjects and extracts them with accuracy and clarity, effortlessly blending them with new color/lifestyle backgrounds to elevate the appeal of your product images on websites.

Aiarty Image Matting Optimize Amazon Image

All functions in Aiarty Image Matting to optimize images for websites:

  • Crop image sizes & dimensions, like 4,000 × 4,000px to 2,000 × 2,000px.
  • Turn image background into transparent.
  • Replace image background with white, solid color, or image background.
  • Upscale images by ×2 up to 10K for quality prints and zooming in.
  • Batch process up to 3,000 listing images to save time.

In conclusion, understanding and applying the best image sizes for websites is crucial for enhancing page load times, improving user experience, and boosting website’s performance. By choosing the right image size, you can ensure high-quality and visually appealing images that perform well across all devices and platforms.

FAQs

1. What is the best image size for websites?

The ideal image size for a website depends on the type of image and its placement. Here are some general recommendations:

  • Hero images (large banners): 1920 × 1080 px (full HD) or higher.
  • Blog images: 1200 × 630 px (ideal for social sharing as well).
  • Product images: 800 × 800 px to 1000 × 1000 px (for clear display).
  • Thumbnail images: 150 × 150 px.
  • Background images: 1920 × 1280 px or higher.
2. What file format is best for website images?
  • JPEG: Best for photographs and images with gradients (smaller file sizes).
  • PNG: Ideal for images with transparency or simple graphics (larger file sizes).
  • WebP: Provides high-quality compression, making it suitable for faster page loads (supported in most modern browsers).
  • SVG: Best for vector graphics like logos or icons.
3. What is the ideal resolution for images on a website?

72 DPI (dots per inch) is the standard web resolution. It’s optimized for screen display, ensuring smaller file sizes without sacrificing quality.

4. What is the best image size for mobile websites?

For responsive web design, images should scale according to screen size. A general guideline is to use images around 720 px wide for smaller devices, but larger resolutions can be used for larger screen sizes.

Retina displays (such as on iPhones or high-definition monitors) may require images that are 2x or 3x the standard resolution to ensure they look crisp.

5. How can I optimize an image for my website?

You can optimize images by:

  • Compressing images: Use tools like TinyPNG, ImageOptim, or TinyJPG to reduce file sizes without losing quality.
  • Resizing images: Use a tool like Aiarty Image Enhancer to optimize images to the best image size like 2048 × 2048 pixels for Shopify.
  • Using appropriate formats: JPEG for photos, PNG for transparency, WebP for a balance of quality and file size.
  • Changing image background: Use a tool like Aiarty Image Matting to remove and replace image background, like white background for product images on e-commerce websites.

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Brenda Peng is a seasoned editor at Digiarty Software who loves turning ordinary photos into extraordinary works of art. With years of experience behind the lens and in front of the computer, Brenda shares her passion for photography, image enhancement, and editing through easy-to-follow tutorials.

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