Quick reference
Most social and ecommerce images fail because the source image ratio does not match the platform surface. A square product photo is convenient for shop grids, but it may waste space on a vertical short-video cover. A 16:9 thumbnail looks natural on YouTube, but it will be heavily cropped if reused as a 9:16 Story. Before exporting, decide whether the goal is to fill the frame, preserve the whole image, or create a polished blur-background layout.
- Instagram square post: 1080 x 1080.
- Instagram portrait post: 1080 x 1350.
- Instagram Story or Reel cover: 1080 x 1920.
- YouTube thumbnail: 1280 x 720.
- TikTok vertical cover: 1080 x 1920.
- Etsy listing image: 2000 x 2000.
- Shopify product image: 2048 x 2048.
- 小红书 vertical cover: 1080 x 1440.
Use the homepage tool when you need an immediate export. Use these guide pages when you need to understand the tradeoff behind a size: readability, crop safety, product visibility, and consistency across repeated posts.
How to choose the right ratio
Start with the destination, not the source file. If the image is going into a mobile-first surface such as TikTok, Instagram Stories, Reels, or a 小红书 cover, a vertical export usually gives the subject more space and makes the image feel native. If the image is a YouTube thumbnail, use a 16:9 landscape crop and judge the result at small mobile size. If the image is for Etsy or Shopify, clarity and product completeness matter more than dramatic cropping, so a square product image is often easier to manage across catalog grids.
The same image can be exported in several ways, but each export should have a job. A cropped cover can attract attention, a fit-with-background product image can preserve accuracy, and a blur-background version can make a mismatched source ratio look more polished. The right choice depends on what would be most damaging to lose: the product edge, the title text, the face, the logo, or the feeling of a full-screen cover.
Crop safety and text readability
Whenever a design includes text, preview it smaller than you think is necessary. Most social images are seen first in a feed, profile grid, search result, or recommendation card. A headline that looks elegant at full size may be unreadable on a phone. Keep text high contrast, use fewer words, and avoid placing important labels at the outer edge. For cover images, keep the main subject and headline inside the central safe area because platform UI, captions, badges, and preview crops can compete with the image.
Platform sizes can change
These sizes are practical presets for common publishing workflows, not a permanent guarantee from every platform. Social apps and ecommerce platforms can change crop behavior, compression, preview cards, and recommended dimensions over time. Before an important launch, campaign, or product listing, preview the image inside the destination platform. This is especially important for ads, shop hero images, video covers, and posts that include small text.
Recommended workflow
Upload the strongest source image, choose the platform preset, and check the preview before downloading. Use Crop to Fill when the image needs to fill the entire surface and the edges are not critical. Use Fit with Background when the full product, screenshot, or person must remain visible. Use Blur Background when the original ratio does not match but you still want a full-frame design. After exporting, open the image on a phone and check whether the subject is clear, the text is readable, and the crop still feels intentional.
For deeper notes, read the Instagram guide, YouTube thumbnail guide, TikTok cover guide, Etsy image guide, Shopify product image guide, and 小红书 cover guide.
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