Product Photo & CSV Prep for Online Sellers

Pad and convert supplier photos, rename by SKU, reshape the import file. One description, finished catalog files. Free to run.

New supplier, new pile of photos and a messy spreadsheet

Pad to square, convert to WebP, rename by SKU, reshape the import file. One description, finished catalog files. Free to run.

Jobs you can hand it

Photo batch prep. A new supplier sends photos in mixed formats and wrong sizes. Convert them all to WebP, pad to 1200x1200, rename each file by SKU from the sheet, zip the batch.

Run this: Convert these 40 supplier photos to WebP, pad them to 1200x1200, and rename each one by SKU from this sheet.

Import file fit. The supplier spreadsheet doesn't match the marketplace template. Rename the columns to match, drop blank rows, dedupe by SKU.

Run this: Rename these columns to match the import template, drop blank rows, and dedupe by SKU.

Season cleanup. Old listings out, new ones in: filter the export down to the SKUs you're keeping, flatten the nested columns, sort by category, hand the clean file to whoever lists them.

Run this: Keep only the SKUs marked active in this sheet, flatten the nested columns, and sort by category.

How it works

Attach the files. Up to 50 files, 200 MB in total.
Describe the job. Plain English, as many steps as the job needs.
Download the result. Finished files, not a conversation.

Where your platform's own tools are better

Marketplace bulk editors and import apps edit live products in place. For a quick change to a listing you already have open, they win. Use them.

Uncomplex prepares the files before they go in: the photo batch, the reshaped CSV, the season's cleanup. It sits upstream of the import, so the editor or the import button gets a file that fits.

Files and privacy

Supplier data, pricing sheets, catalog exports. Browser tasks never leave your device: the script runs on your machine and nothing is uploaded. Cloud tasks run in a temporary, isolated space, and your uploads are deleted automatically within 24 hours. The AI plans the steps. The script is what touches your files. Full details on the privacy page.

Free, within fair-use limits

Uncomplex is free. There is no billing today: no plans, no card. Fair-use limits keep it running for everyone: 10 custom tasks per 5 hours, 50 files and 200 MB per task. The single-purpose tools run without an account.

What it doesn't do

It works on the structure of files, not what's inside them. It can't write product descriptions, read an invoice, or judge which photo looks better. It can't log into Seller Central or your store admin. Structural work is the job: convert, resize, rename, merge, dedupe, reshape.

FAQ

What can't Uncomplex do?

Structural work only: convert, resize, rename, merge, dedupe, reshape. No reading file contents, no browsing, no logging into stores. Limits: 10 custom tasks per 5 hours, 50 files and 200 MB per task.

Is it really free?

Yes. There is no billing today: no plans, no card, no credits. Fair-use limits (10 custom tasks per 5 hours) keep it running for everyone.

Do I need an account?

The single-purpose tools run without one. Custom tasks require sign-in, and everything on them is free.

What happens to my files?

Browser tasks never leave your device. Cloud uploads are deleted automatically within 24 hours. The AI plans the steps, and the script is what touches your files. Full detail on the privacy page.

My supplier sends 200 photos at a time. Can I run that?

Up to 50 files fit in one task, 200 MB in total. Split the batch into piles of 50 and run them one after the other. The description stays the same.