#image-size
Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
3:4 Aspect Ratio (2026): Sizes in Pixels, 1080x1440 and 3x4 Explained
Every 3:4 size from 600x800 to a full phone photo, the formula, 3:4 vs 4:5 and 2:3, and how to turn square photos into 3:4 without cropping the product.
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TikTok Ad Sizes (2026): Video, Carousel and Profile Photo Specs
TikTok's official ad specs for in-feed video, carousel and profile photos, the safe zone, and how to turn product photos into TikTok ads.
Social Media Profile Picture Size (2026): Every Platform, From Official Help Pages
The profile picture size each platform publishes, the ones that publish none, and how to make one square file that survives every circle crop.
Instagram Ad Sizes (2026): Feed, Stories, Reels and Carousel Specs
Meta's recommended Instagram ad sizes for feed, Stories, Reels, carousel and video ads, the safe zones, and how to fit one product photo to all of them.
Facebook Post Size (2026): Best Image Dimensions for Photo and Link Posts
The best Facebook post image size for photo and link posts, which numbers Meta actually publishes, and how to resize product photos without cropping them.
3:2 Aspect Ratio (2026): Sizes in Pixels, Prints and How to Convert
Every common 3:2 size, the formula, prints from 4x6 to 20x30, how 3:2 compares with 4:3 and 16:9, and how to convert camera photos for listings.
4:3 Aspect Ratio (2026): Sizes in Pixels, Formula and How to Convert
Every common 4:3 size, the formula, where phones, screens and marketplaces use it, and how to turn a 4:3 photo into square, 4:5 or 9:16.
Snapchat Ad Sizes (2026): Dimensions, File Limits and Safe Areas
Every Snapchat ad size from Snap's specs pages, the file and text limits, Story ad tiles, safe areas and how to make 9:16 ads from square product photos.
Bluesky Image Size (2026): Posts, Profile Picture, Banner and Limits
The best Bluesky sizes for posts, profile pictures, banners and link cards, with the official limits from Bluesky's lexicons and app code.
4:5 Aspect Ratio (2026): 1080x1350, 5:4 and Sizes in Pixels
Every 4:5 size from 800x1000 to print, the formula, where Instagram and other platforms use it, and how to turn square or phone photos into 4:5.
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