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Diwadi handles unlimited rows (Excel maxes at 1M), processes files 10-100x faster, works with files Excel can't open, and keeps your data 100% private (no cloud upload). Perfect for large datasets.

Yes! Diwadi handles CSV files with billions of rows. Excel has a hard 1M row limit and can't open files larger than that. Diwadi processes even 100M+ row files efficiently.

You can remove duplicates based on: 1) All columns (exact row match), 2) Specific columns (e.g., email, ID), or 3) Custom combination of columns. Diwadi preserves the first occurrence and removes subsequent duplicates.

Remove duplicates from CSV, Excel (XLSX/XLS), Parquet, TSV, and JSON files. You can also convert between formats during the cleaning process.

Very fast! For a 10M row CSV, Diwadi typically completes in 30-60 seconds. For Parquet files, it's even faster. Excel would crash trying to open the same file.

No! Diwadi creates a new cleaned file, leaving your original untouched. You'll get a report showing how many duplicates were found and removed.

Yes! Select folders and remove duplicates from hundreds of files at once. Each file is cleaned separately with a detailed report. Perfect for cleaning entire databases.

Completely free with unlimited files and rows. No file size limits, no watermarks, no credit card required.