·Guides·7 min
Free background removal tools compared, honestly
An honest look at the free background removal tools, what free really means, and where a sizing tool like SelfShot fits.
Blog
Guides on marketplace photo sizes, white backgrounds, and selling on Etsy, eBay, Amazon, and Poshmark.
·Marketplace specs·5 min
Product photo size guide for every marketplace (2026)
The current image sizes, formats, and file-size limits for Etsy, eBay, Amazon, and Poshmark, in one place.
·Guides·5 min
Why Amazon keeps rejecting your main image, and the pure white fix
Amazon's scanner rejects off-white backgrounds. Here is what pure white means and how to check it.
·Guides·4 min
How to fix image too large errors on Etsy (the 1 MB problem)
Etsy uploads can fail when a photo is too big. Here is how to get under the limit without losing quality.
·Guides·6 min
How to make a white background for product photos (3 ways)
Three honest ways to get a clean white background, from shooting on white to cutting the product out, and when to use each.
·Guides·5 min
HEIC vs JPG: why your iPhone photos will not upload, and how to fix it
iPhones save photos as HEIC, which many marketplaces reject. Here is what HEIC is and how to convert to JPG without losing quality.
·Guides·4 min
How to resize photos for eBay so they do not get cropped
eBay crops photos to a square and can cut off the edges of your product. Here is how to pad to a square so nothing is lost.
·Tips·6 min
How to photograph products for marketplaces on a phone
Lighting, background, and framing for clean product photos using just a phone, no studio required.
·Guides·5 min
Cross-listing one photo set across Etsy, eBay, and Poshmark
Sell the same item on several marketplaces from one photo shoot. Here is how to export every required size in a single batch.
·Marketplace specs·6 min
The 85% rule and other Amazon image mistakes that suppress listings
Amazon's main image rules go beyond a white background. Here is the 85% fill rule and the other mistakes that get listings suppressed.