Drop in your spreadsheets
Add an old file and a new file. Excel or CSV, even with different column orders.
LESS CHECKING. MORE CLARITY.
Two files.
Every difference.
Reconcile your spreadsheets in seconds.
Find what changed, what’s new, and what’s missing.
✓
Your data stays yours.
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No uploads. No account. No worries.
Excel diff & compare
XLSX + CSV1 Add your files2 Choose keys3 Explore differences
Match rows using
Choose a column name present in both files to match the same record. Select multiple column names if one column is not unique.
Exclude columns from the diff
Select any number of columns. Their values stay in exports but do not count as differences. Matching key columns cannot be excluded.
Choose columns to exclude
Value exceptions (optional)
Ignore a specific change in a column, from the File A value to the File B value. Enter values exactly as shown; leave a value empty to match a blank cell. Add as many exceptions as you need.
Comparison rules
Values are compared exactly, including letter case, whitespace, and data type. Blank cells are equivalent to empty strings. Formulas use their saved results; formatting is ignored. Non-key columns are compared unless excluded. Value exceptions ignore only the specified old-to-new change. Columns absent from one file count as changed on matched rows.
Repeated keys in either file are marked Duplicate on both sides and excluded from other statuses. Rows with an empty key are also flagged Duplicate for review. The first row must contain unique, non-empty column names.
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THE FULL PICTURE
Your reconciliation
Excel highlights changed cells and new or missing records in yellow. CSV includes status and changed-column labels; it cannot store colors. Exports follow your column exclusions and value exceptions.
File A · Old / baseline
File B · New / updated
Scroll either sheet—both move together.
File A · Old
File B · New
A LITTLE LESS MANUAL WORK
Tell us what makes a match
Choose a column name present in both spreadsheets to match the same record across files. Select multiple column names if needed. We’ll compare the remaining values.
Leave with clear answers
Filter every change and take the results with you as a yellow-highlighted Excel workbook or a CSV file.
LEARN THE WORKFLOW
Compare spreadsheets with confidence
New to spreadsheet reconciliation? Our practical guides explain how matching keys, exclusions, statuses, and exports work.
Your spreadsheets stay on your side of the screen.
Reading, matching, searching, and exporting happen entirely in your browser. We don’t send your file contents anywhere or store them. Close the tab or start over to clear your session.
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