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Clean Data Before Analysis
Find duplicate rows in CSV exports or database dumps before analytics work.
Sin necesidad de registro
Output will appear here…Data Cleanup tips
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For customer data deduplication, paste a column (e.g. emails or phone numbers) — find collisions before running joins.
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For log file analysis, the "Count occurrences" mode quickly tells you the most-frequent log entries.
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For database row deduplication, export to a single-column list, find duplicates, then craft a DELETE query for them.
Cómo funciona
1
Introducir
Enter your data into the tool above. Everything stays local to your browser.
2
Procesar
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Descargar
Get your result instantly. Nothing is stored after you leave the page — complete privacy.
¿Por qué usar el nuestro?
✓Completamente gratis — sin costes ocultos, nunca
✓Sin cuenta, correo ni registro requerido
✓Los archivos nunca salen de tu dispositivo
✓Sin límite de tamaño de archivo en absoluto
✓Sin marcas de agua en ningún resultado
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