Master Redbubble’s image sizes for standout designs. Learn cover, T-shirt, and product image optimization tips for a winning online store.


Redbubble is an online marketplace where you can sell designs on a wide range of products, from T-shirts to home decor items. Ensuring your images meet Redbubble’s size requirements is essential for creating products that attract customers.

In this guide, we will cover the ins and outs of Redbubble image size requirements, focusing on cover images, T-shirt images, and the best practices for optimizing images across various Redbubble products.

redbubble screenshot

Optimizing Redbubble cover image size

The cover image is the first thing visitors see when they land on your Redbubble profile. It plays a crucial role in making a strong first impression and establishing your brand identity. An engaging cover image can grab the attention of customers, convey your creative style, and set the tone for the rest of your store. Therefore, optimizing the cover image size is essential to ensure that your artwork looks its best across different devices and screen resolutions.

Redbubble cover image size guidelines

To ensure that your cover image looks great on Redbubble, it’s essential to follow the platform’s image size guidelines. Here are some key recommendations for creating a high-quality cover image:

  • Recommended size: 2400 x 600 pixels. Your image will look sharp and crisp on most devices. Using an image upscaler could be a perfect solution for you. It will not only help you resize the cover image but also help you modify its quality if needed. An advanced image resizer like DupliChecker will also help you change the file format of your cover photo to JPG, JPEG, or PNG, depending on your requirements.
  • Aspect ratio: A 4:1 ratio ensures that your image is displayed correctly without being cropped or distorted.
  • File format: Redbubble supports JPEG, PNG, and GIF file formats for cover images. JPEG is the preferred format due to its efficient compression. But you can use PNG if you need transparency in your image.

Tips for creating an engaging cover image

Creating an eye-catching cover image for your Redbubble profile involves more than just following the technical image size guidelines. Here are some tips to help you stand out:

  • Showcase your style: Choose an image that represents your best work or a collage that showcases the diversity of your designs.
  • Use high-quality images: Ensure that your cover image is high-resolution and free of pixelation or artifacts. This will help your profile look professional.
  • Keep it simple: Avoid using overly cluttered or busy images as your cover photo. Aim for a clean design that communicates your brand’s message clearly.
  • Use bold colors and contrasts: To make your cover image pop, use bold colors and contrasts. This will help your profile stand out from the competition and make a lasting impression on visitors.
  • Add branding elements: If you have a logo or specific branding elements, incorporate them into your cover image. This will help establish brand recognition and create a cohesive visual identity across your store.
  • Update your cover image regularly: Showcase new designs, seasonal themes, or special promotions. This will encourage repeat visitors and help maintain interest in your store.

Redbubble T-shirt image size for high-quality prints

A high-resolution image ensures that your design looks sharp, vibrant, and professional when printed on a T-shirt. Low-resolution images will be pixelated or blurry, resulting in a poor-quality print. You can deliver exceptional products that satisfy your customers and boost your store’s reputation.

Redbubble T-shirt image size recommendations

To guarantee high-quality prints on Redbubble T-shirts, it’s essential to adhere to the platform’s image size recommendations:

  • Minimum size: Redbubble recommends uploading T-shirt designs with a minimum resolution of 2875×3900 pixels. This ensures that your design will appear crisp and clear when printed on the fabric.
  • Maximum size: The maximum size for T-shirt designs on Redbubble is 13500×13500 pixels. This ensures that your design can be printed on the largest available T-shirt sizes without losing quality.
  • File format: Redbubble supports JPEG and PNG file formats for T-shirt designs. PNG is often preferred for T-shirt designs because it supports transparency, allowing you to create intricate designs without a visible background.

Best practices for designing T-shirt images

In addition to following the image size recommendations, consider these best practices when designing T-shirt images for your Redbubble store:

  • Use vector graphics: When possible, create your designs using vector graphics. Vector images can be scaled up or down without losing quality, ensuring that your design looks sharp and crisp at any size.
  • Test different color combinations: Keep in mind that certain colors may appear differently on screen compared to when they are printed on fabric. Test various color combinations to ensure that your design looks great on the final product.
  • Avoid overly detailed designs: While intricate designs can be visually appealing, they may not translate well to T-shirt printing, especially on smaller sizes. Aim for a balance between complexity and simplicity to ensure that your design is easily discernible when printed.
  • Preview your design: Before submitting your design for printing, use Redbubble’s product preview feature to see how it will look on different T-shirt colors and sizes. This will help you identify potential issues and make any necessary adjustments before finalizing your design.

By adhering to Redbubble’s T-shirt image size recommendations and implementing these design best practices, you can create stunning, high-quality printed T-shirts that delight your customers and elevate your store’s reputation.

Determining the best image size for Redbubble products

Overview of image size requirements for various Redbubble products

As one of the most popular print-on-demand companies, Redbubble offers a wide range of products, from T-shirts to stickers, phone cases, wall art, and more. Each product has specific image size requirements that must be met to ensure high-quality prints. Here’s an overview of the recommended image sizes for some popular Redbubble products:

  • Stickers: min 2800×2800 pixels
  • Phone cases: min 1187×1852 pixels
  • Wall art: min 3840×3840 pixels
  • Throw pillows: min 3225×3225 pixels
  • Tote bags: min 2400×3200 pixels
  • Posters: min 4500 x 6000 pixels

Remember that these are general recommendations, and some products may have different size requirements. Always refer to Redbubble’s official guidelines for each product to ensure that your designs meet the necessary specifications.

redbubble product list
Source

Tips for optimizing images for different Redbubble products

Optimizing your images for various Redbubble products involves more than just resizing them to the recommended dimensions. Here are some tips for ensuring that your designs look their best on different products:

  • Consider the product size: Different products have different dimensions, so keep in mind how your design will look when printed on the final product. For example, a small design that looks great on a sticker may not be visible enough on a larger item like a wall art print.
  • Adjust the placement: Depending on the product, your design may be printed on a specific area or surface, such as the front of a T-shirt or the back of a phone case. Adjust the placement of your design to ensure that it looks centered and balanced on the final product.
  • Test different color combinations: As mentioned earlier, different colors may appear differently on different products. Test different color combinations to ensure that your design looks great on the final product.
  • Use high-resolution images: Always use high-resolution images that meet or exceed Redbubble’s recommended size guidelines. This will ensure that your design looks crisp and clear on the final product.

    If your images aren’t high enough in resolution, use Smart Upscaler by Icons8. This tool enhances image quality by increasing resolution, improving details, and reducing noise. It’s a great way to uplift images that fall short of Redbubble’s recommended size guidelines.
redbubble logo upscaled
  • Preview your design: Use Redbubble’s product preview feature to see how your design will look on different products and make any necessary adjustments before submitting your design for printing.

Optimizing your images for Redbubble is crucial to ensure that your designs look their best and attract potential customers to your store. By adhering to Redbubble’s image size requirements and following best practices for designing high-quality images, you can create eye-catching and visually appealing products that meet or exceed your customers’ expectations.

Check out our image size guides for eBay, Etsy, and Shopify.

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