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.
Amazon's public photo guide says images must be 500 to 10,000 pixels on the longest side, and it prefers images larger than 1,000 pixels on each side and JPEG files. SelfShot's preset outputs a square 2000 by 2000 JPG, pads to white, checks for RGB 255,255,255, and places the product at about 85% of the frame. Requirements vary by category. SelfShot cannot guarantee Amazon approval.
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Amazon's public photo guide describes a white background as RGB 255, 255, 255 in most cases, and it tells sellers to fill 85% or more of the frame. SelfShot outputs 2000 by 2000, centers the product at about 85% fill on white, and checks the border for 255,255,255. If the white is off, it tells you the value it found. Seller Central's full image-rules page is behind a seller login, and some categories add different rules.
This version makes a white background by padding, which works when your product is photographed on white. Automatic subject cutout from a busy background is not part of this version. Padding is not background removal.
Amazon's public photo guide says every image must be 500 to 10,000 pixels on the longest side, in JPEG, TIFF, PNG, or non-animated GIF, and clear. It prefers images larger than 1,000 pixels on each side for zoom, and it prefers JPEG. SelfShot outputs a square 2000 by 2000 JPG, which sits inside that range. Square is a SelfShot choice. A 10 MB Amazon file limit was not on the public guide we could read. This preset still caps files at 10 MB.
The same guide says to have the product fill 85 percent or more of the frame. That line is photography guidance, and some category style guides use a different percentage. SelfShot scales the product to about 85 percent by default, and you can fine tune it between 80 and 90 percent with the fill slider.
Amazon's public photo guide says that, in most cases, product shots should use a white background at red 255, green 255, blue 255. It calls that the default setting. The guide's must-have list does not repeat the white rule, and Seller Central's full requirements page needs a seller login, so a light gray such as 250, 250, 250 may fail a stricter category check. Do not treat a passing check here as Amazon's approval.
SelfShot pads your photo onto a pure white square and then checks the result. When the check passes you see a badge reading pure white, RGB 255,255,255. When it does not, you see the off-white value it found, so you can fix the shot before you upload.
The 85 percent figure is Amazon's public photo guidance that the product should occupy about 85 percent or more of the image. Too small and the product looks lost in white space; too large and it can feel cramped or get cropped. Some category style guides cite a different share, including about 80 percent. SelfShot centers the product at about 85 percent so you have a clear starting point. It does not guarantee the listing will pass review.
To be honest about limits: this version creates a white background by padding, which works when your product is photographed on a white sweep or in a lightbox. It does not automatically cut a product out of a busy background. If your photo has a cluttered background, reshoot on white or cut the product out in another tool first, then bring it here to size and verify the white.
Current output values. They help prepare a listing photo. They do not decide whether a marketplace accepts it.
These rows are SelfShot output presets, designed around commonly published marketplace guidance. Requirements can vary by category and change over time. SelfShot cannot guarantee marketplace approval.
| Marketplace | Output size | Format | File size | Background |
|---|---|---|---|---|
| Amazon | 2000x2000 | JPG | up to 10 MB | Pad to white, check 255,255,255 |
Add a whole batch by drag and drop, file picker, or paste. iPhone HEIC files are read and rotated upright for you.

Choose Etsy, eBay, Amazon, or Poshmark. The free tool lets you pick up to two marketplaces per batch. SelfShot sizes each photo to that preset, either padding to white or cropping to fill, and compresses toward that preset's file-size cap.

Get a ZIP with correctly named files, one folder per marketplace when you cross-list. Nothing is uploaded.

Amazon's public photo guide says images must be 500 to 10,000 pixels on the longest side, and it prefers more than 1,000 pixels on each side. SelfShot's preset is a square 2000 by 2000. Square is a SelfShot choice, not a published requirement on that page. Some categories add more rules.
Amazon's public photo guide says product shots should, in most cases, use a white background at RGB 255, 255, 255. A light gray can fail a stricter category check. SelfShot pads with that value and checks the border. It cannot guarantee Amazon will accept the image.
Amazon's public photo guide says to fill 85% or more of the frame. Some category style guides use a different percentage. SelfShot defaults to about 85%, centered, so the product is not lost in white space.
It pads to pure white and checks the result. That works when your product is photographed on white. It does not cut a product out of a busy background.
An honest look at the free background removal tools, what free really means, and where a sizing tool like SelfShot fits.
The current image sizes, formats, and file-size limits for Etsy, eBay, Amazon, and Poshmark, in one place.
Amazon's scanner rejects off-white backgrounds. Here is what pure white means and how to check it.