Remove Duplicates - Free Desktop App
Remove duplicates from CSV, Excel, Parquet files offline. Handle files with billions of rows that Excel can't open. Fast, private, no upload required.
Remove Duplicate Rows
Clean data from billions of rows
Remove duplicate rows from CSV, Excel, and Parquet files. Choose which columns to check for duplicates.
Note: Handle files with billions of rows that Excel can't even open.
Why Desktop Duplicate Removal Beats Online Tools
| Feature | Online Tools | Diwadi Desktop |
|---|---|---|
| Upload Required | ❌ Required | 🎯 Never |
| File Size Limit | ❌ 50MB max | ♾️ Unlimited |
| Speed | ⏳ Slow (upload/download) | ⚡ Instant |
| Batch Processing | ❌ 1 file | ✅ 1000s |
| Privacy | ⚠️ Risky (cloud upload) | 🔒 100% Local |
| AI Features | ❌ No | 🤖 Yes |
| Offline | ❌ No | ✅ Yes |
| Cost | Free | Free ✅ |
Real-World Use Cases
Customer Database
10M customer records with duplicate emails
Excel: Can't open (over 1M limit)
Diwadi: Cleaned in 60 seconds → Removed 2.3M duplicates
Sales Transactions
50M transaction records with duplicate IDs
Excel: Impossible
Diwadi: Parquet format → Cleaned in 2 minutes
Email Marketing List
5M email addresses from multiple sources
Online tools: File size limit, privacy risk
Diwadi: 100% private, instant → 1.2M duplicates removed
Data Migration
Multiple CSV exports merged with overlap
Manual: Risky, error-prone
Diwadi: Batch clean all files → 100% accurate
How It Works
Download & Install
Takes just 30 seconds. No account, no credit card required.
Drag & Drop Your Data Files (CSV, Excel, Parquet)
Select one file or thousands. Batch processing supported.
Get Cleaned Data Files (duplicates removed) (Instant)
Processing happens locally on your computer. No upload wait.
Why Choose Diwadi Desktop?
Privacy First
Files never leave your computer. No cloud upload, no data collection, 100% local.
Lightning Fast
Process files 10x faster than online tools. No upload wait, no download wait.
No Limits
Convert unlimited files of any size. Batch process thousands in one click.
AI-Powered
Smart formatting detection, auto-cleanup, better accuracy.
Works Offline
No internet required. Perfect for flights, secure environments.
Free to Use
No trial limits, no watermarks, no credit card required.