Files Read in Your Browser
Your selected CSV files are read locally and are not sent to the Compare2Word document-processing API.
Compare CSV Files Online
Choose two CSV files and review changed values by row and column in a focused CSV diff.
Click to select or drag file
Supports .csv
MAX 50MBRead and compared on this device.
Click to select or drag file
Supports .csv
MAX 50MBRead and compared on this device.
Row-and-Column Comparison
Compare values by their positions in the two files and see where data was added, removed, or changed.
Readable CSV Differences
Review data changes without placing two exports side by side or scanning every field manually.
Find Data Changes Between Two CSV Exports
Useful for recurring exports
Compare two versions of an inventory, analytics report, contact list, or system export when the rows and columns follow the same structure.
How CSV rows are matched
The comparison lines up rows and columns by position. It works best when both files use the same column order and records have not been sorted differently.
Know the positional limits
The tool does not match records by a primary key and cannot ignore row order. Inserting or reordering rows can therefore make later values appear changed even when the records still exist.
CSV File Comparison FAQ
How do I compare two CSV files?
Select the original and revised CSV files, then start the comparison to highlight values that differ by row and column position.
Does the tool match rows by ID or primary key?
No. Rows are compared by position, not by an ID, email address, or other key field.
Can the CSV diff ignore row order?
No. Reordered or inserted rows can affect the differences shown after that point. Sort both files the same way before comparing when possible.
Are my CSV files uploaded for processing?
The selected files are read in your browser and are not sent to the Compare2Word document-processing API.