Is DiffSheets free to use?

Yes, DiffSheets is completely free to use. There are no hidden fees, subscriptions, or premium features locked behind a paywall.

Is my data safe when using DiffSheets?

Absolutely. DiffSheets processes all files 100% client-side in your browser. Your spreadsheet data never leaves your computer or gets uploaded to any server.

What file formats does DiffSheets support?

DiffSheets supports Excel files (.xlsx, .xls), CSV files, and OpenDocument Spreadsheets (.ods). You can compare files of the same or different formats.

Can I compare large Excel files?

Yes, DiffSheets uses virtual scrolling technology to efficiently handle large spreadsheets with thousands of rows without performance issues.

How does DiffSheets compare spreadsheets?

DiffSheets offers multiple comparison modes: position-based matching (row by row), key column matching (by a unique identifier), and intelligent LCS algorithm for best alignment detection.

XLSX & XLS Supported

Compare Excel Files Online

Find every difference between two Excel spreadsheets in seconds. Free, private, and works entirely in your browser.

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Benefits

Why Use DiffSheets for Excel Comparison?

Visual Side-by-Side Comparison

See changes highlighted in color. Added rows in green, deleted in red, modified in yellow.

Complete Privacy

Your Excel files never leave your computer. All processing happens locally in your browser.

All Excel Formats

Works with .xlsx, .xls, and even compare Excel to CSV files.

100% Free

No registration, no limits, no watermarks. Use it as much as you need.

Use Cases

Common Use Cases

Financial Auditing

Compare budget versions, track changes in financial reports, audit expense sheets.

Version Control

Track changes between document versions when collaborating with teams.

Data Migration

Verify data integrity after importing or exporting between systems.

Quality Assurance

Validate test results, compare expected vs actual outputs.

Ready to compare?

Find every difference between two Excel spreadsheets in seconds. Free, private, and works entirely in your browser.

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