LogoI Hate CSV

Almost-Duplicate Nightmare

Find and merge nearly-identical records that differ by typos (e.g. "Jon Doe" vs "John Doe") because data entry is always inconsistent.

Upload a dataset to begin

Supported formats: .CSV, .XLSX, .JSON, .TXT, .TSV

Free users: Up to 1MB per file.
Sign in to upload files up to 10MB.
Upgrade for even larger files.

How you can use theAlmost-Duplicate Nightmare


Find and merge nearly-identical records that differ by typos (e.g. "Jon Doe" vs "John Doe") because data entry is always inconsistent.Category: Cleaning & Preparation
This tool alone can help you manage and analyze your data effectively. However, a composed workflow using DUPLICATE NUKER, LOOSE CONNECTION JOIN may provide even more powerful data processing capabilities. Consider exploring these related tools for a comprehensive data solution.


Often it is used together with

Almost-Duplicate Nightmare tool thumbnail