Built for ecommerce operators

Know exactly what your supplier changed.

Compare two supplier CSVs in seconds. Catch new prices, MOQ changes, discontinued SKUs, inventory shifts, and title edits before they hit your store.

Files are processed in your browser and are never uploaded.
Comparison complete
Changed2
Added1
Removed0
Changed
KP25762Travel vacuum backpack
price
$38.50
Changed
TW7705Vacuum travel bag
MOQ
5001,000
MOQ is tracked separately from inventory.
Browser-onlyPrivate file processing
SKU matchedReliable change detection
Shopify readyExport a reviewable draft
No setupWorks with ordinary CSVs

One clean workflow

From messy supplier files to a useful decision.

01

Upload two catalogs

Choose the previous and latest supplier CSV. Large product lists stay on your device.

02

Confirm the columns

Catalog Delta guesses SKU, title, price, MOQ, inventory, and Shopify handle columns.

03

Review and export

Filter additions, removals, and edits. Export a full audit or a Shopify update draft.

Made for real supplier data

It understands the changes that affect your margin.

Supplier sheets rarely agree on naming. Catalog Delta normalizes common column labels and numeric formats, while keeping MOQ distinct from stock.

Price additions and increasesSee old and new values together
MOQ changesNever mistaken for sellable inventory
New and removed SKUsCatch assortment changes immediately
Exportable reportsKeep an audit trail or prep Shopify

Simple subscription

Spend less time checking spreadsheets.

Unlimited browser-based comparisons, full change reports, Shopify drafts, and billing you can cancel yourself.

Monthly subscription 7-day free trial · card required · then billed monthly until canceled Get started