Which size should I use for an Amazon listing?

1000 x 1000 is the preset that matches the size Amazon's image help describes as the point where zoom on the product page starts working. 1600 x 1600 gives that zoom more to work with. If your camera files are large enough, resize to 1600 and let Amazon generate the smaller copies.

My photos are only 800 x 800. Can this make them 1000 x 1000?

It can, if you tick the enlarging box, but it cannot invent detail the camera never captured. You get the same photo with softer edges, and it looks it beside a sharp one. Reshooting is the honest answer when the product matters.

Will it crop my product?

Only if you ask it to. Fit inside and pad never cut anything off. Fill covers the box and crops whatever hangs over the edge, which is what you want for a banner and not what you want for a product standing on a plain background.

Does resizing change my file names?

The name is kept, with the extension changed only if you asked for a different format. If you also need names in a pattern for a bulk upload, run the batch through the bulk rename tool afterwards - that one does not touch the pixels at all.

Can it open iPhone HEIC photos?

Only in Safari. Chrome, Firefox and Edge cannot decode HEIC, and every image here is decoded by your own browser, so those files come back with a message saying so. Set the iPhone camera format to Most Compatible, or export the shots as JPG from the Photos app first.

Resize listing photos to Amazon and Flipkart sizes

A photo off a phone is usually around 4000 pixels wide and several megabytes, and a listing wants neither. Amazon's image help asks for at least 1000 pixels on the longest side before the zoom on a product page switches on, Flipkart's recommended listing size is 1500 x 1500, and Meesho catalogues are square at 1080 x 1080. None of those is what your camera hands you.

This resizes a whole folder to one size in a single pass. Pick a preset - 1000 x 1000, 1600 x 1600, 2000 x 2000, 1500 x 1500 or 1080 x 1080 - or type a width and height of your own, say whether the picture should fit inside that box, fill it, be padded out to it or be stretched to it, and take the ZIP.

Resize images Needs an account. The trial is free and takes a WhatsApp code.

How it works

Put the photos in one place. Select every image for the listing, or drop the whole folder on the page. Anything that is not an image is skipped with a note rather than silently dropped.
Look at what you have. Each photo appears in a grid with its real pixel size and file size underneath, so you can see which ones were already below 1000 before you resize anything.
Pick the size. The preset list holds 1000 x 1000 and 1600 x 1600 for Amazon, 1500 x 1500 for Flipkart, 1080 x 1080 for Meesho and social, and 2000 x 2000 for a large master copy. Typing a width or height by hand clears the preset.
Choose how it should fit. Fit inside keeps the whole picture and gives you something no larger than the box. Fill covers the box and crops the overflow. Pad fits the picture and fills the rest with a colour, white by default. Stretch forces the exact numbers and distorts the shape.
Export. One image comes back as a file, several come back as a ZIP called resized-images. The originals on your disk are not touched.

What it handles

Presets for Amazon 1000 x 1000 and 1600 x 1600, Flipkart 1500 x 1500, Meesho and social 1080 x 1080, and a 2000 x 2000 master copy
Any width and height up to 10000 pixels typed by hand, for shapes like the 1080 x 1440 portrait that fashion listings use
Four ways to fit the box: fit inside, fill and crop the overflow, pad with a background colour, or stretch
Enlarging is off unless you tick it, because a 600-pixel photo blown up to 1000 only looks softer
Output as JPG, PNG or WEBP at four quality settings, or keep whatever format each file arrived in
Sideways phone photos are stood upright first - the EXIF orientation tag is read before anything is resized
Any photo can be left out of the run with the x on its card, and put back with Ctrl+Z

Your files stay on your computer

This runs inside your browser tab. The file is read and written on your own device and is never uploaded — not the order PDF, not the customer names and addresses printed on it. There is no upload endpoint to send it to.

Questions

Which size should I use for an Amazon listing?: 1000 x 1000 is the preset that matches the size Amazon's image help describes as the point where zoom on the product page starts working. 1600 x 1600 gives that zoom more to work with. If your camera files are large enough, resize to 1600 and let Amazon generate the smaller copies.
My photos are only 800 x 800. Can this make them 1000 x 1000?: It can, if you tick the enlarging box, but it cannot invent detail the camera never captured. You get the same photo with softer edges, and it looks it beside a sharp one. Reshooting is the honest answer when the product matters.
Will it crop my product?: Only if you ask it to. Fit inside and pad never cut anything off. Fill covers the box and crops whatever hangs over the edge, which is what you want for a banner and not what you want for a product standing on a plain background.
Does resizing change my file names?: The name is kept, with the extension changed only if you asked for a different format. If you also need names in a pattern for a bulk upload, run the batch through the bulk rename tool afterwards - that one does not touch the pixels at all.
Can it open iPhone HEIC photos?: Only in Safari. Chrome, Firefox and Edge cannot decode HEIC, and every image here is decoded by your own browser, so those files come back with a message saying so. Set the iPhone camera format to Most Compatible, or export the shots as JPG from the Photos app first.

Related tools

Resize images