SUPPLIER REVIEWWorking prototype · Free to try
For supplier price-list updates

See what changed.
Before you update your catalogue.

Compare your previous and latest supplier CSVs. Review price movements, missing products and records that need a closer look, then save a clear change report.

Try the working tool →View an example report

No signup. No file uploads. Your files stay in your browser's memory.

A fictional example, not customer data
Product identifierPrevious priceUpdated priceReview outcome
PART-10112.0013.20Price increased 10.00%
PART-2028.508.50Unchanged
PART-303Duplicate identifier15.00Blocked for review, no guessed match

From two files to one review.

01 / SELECTChoose the two versions

Use the built-in example, or choose your own UTF-8 CSV files. Select the identifier and price columns in each.

02 / REVIEWFind the changes that matter

Filter price changes, additions and removals. Duplicate identifiers and unclear prices are flagged separately.

03 / KEEPSave a readable record

Download a printable HTML report or a review CSV. Your original files are left unchanged.

A focused checking step.

Useful to try if you regularly receive updated supplier price lists and currently check them by hand or with spreadsheet formulas.

This is a review tool. It does not connect to or update your shop, and its report is not a store import file.

Download the portable demo kit

Check the fit first.

  • Exact identifiers only, including case and spaces. No fuzzy matching.
  • Decimal-point prices up to 128 characters, without currency symbols or thousands separators.
  • Both lists must use the same currency and unit basis.
  • Up to 10 MB per file. A 10,000-row comparison has been checked; other sizes and mobile use are not fully tested.

No measured customer savings or paid results yet. No price or purchase required for this prototype.

Need a hand with your supplier files?

If you have tried the tool and would like help setting up a repeatable check, tell us which step is getting in the way. We will confirm whether we can help before agreeing any work.

Ask Ready Take Studio about setup

Please describe the issue first. Do not send supplier files, confidential information or account details.

Tell us how it went.

What was useful, and what could be clearer? You can share feedback in our Shopify Community discussion. A community account may be needed to reply.

View the discussion

The comparison tool remains free to use. These links do not upload your files or send a message automatically.