A quieter way to reconcile

Know what changed.
Keep control.

Compare a supplier’s earlier and newer CSV list, then review every changed field, new row, and key issue in one clear report.

Compare two lists See how matching works

Files are read and compared in this tab. The app does not send file contents to a server.

A private comparison workflow

In this tab

Files stay in your browser session. Nothing is uploaded by the comparison app.

Local file handling Source rows included Printable CSV report

Your comparison

Start with two lists.

Choose the earlier and newer CSV, then tell us which column identifies each item. Your files are processed in this page.

Choose your files

CSV format · up to 2,000 data rows per file

Earlier list

The version you want to compare from.

Choose earlier list or drop a CSV here

Encoding and delimiter options

EncodingDelimiter

Newer list

The latest version from your supplier.

Choose newer list or drop a CSV here

Encoding and delimiter options

EncodingDelimiter

Choose the match key

Select one or more shared columns that identify the same item in both lists.

By default, key values are trimmed and matched without case. Cell values are compared as text.

Exact case and spaces
Use the key values exactly as written, including capitalization and surrounding spaces.

Rows stay in page memory. Reset to clear this comparison, or close the tab when you’re done.

Choose both CSV files and at least one shared column to compare them.

Your comparison report

Changes are matched by the selected key columns.

Changes between the earlier and newer lists, with source row references
TYPE	KEY	FIELD	EARLIER VALUE	NEWER VALUE	SOURCE ROWS

No differences found

The selected columns and fields match. You can still export a report or print this summary.

Source line numbers point to the start of each CSV record, with the header at line 1. Values are shown as read from each file.

Clear matching rules

Nothing gets paired by guesswork.

Each result is linked to a key and source row so a teammate can review what happened.

Match on your key

Choose one or more shared columns. Unique keys match even when the row order changes.

Keep ambiguous rows visible

Blank key fields and duplicate keys are flagged for review instead of being paired arbitrarily.

Review each field

Changed values retain their original text and point back to their row in each source file.

Know what changed.Keep control.