Data Cleaning Studio · DataMadEasy

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CSV, Excel, or TSV — up to 10MB

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CSV format

· Comma-separated values with a header row

· Supports UTF-8, Korean (CP949), Latin-1

Sample datasets

File format

CSV

Excel

TSV

Encoding

First row = header

Upload a file to see your data profile

Cleaning Operations

Changes apply in order and are reversible

🔁 Remove Duplicates — ▶

Check based on columns (empty = all)

Keep

First

Last

Remove all

🕳️ Handle NULL Values — ▶

Target columns (empty = all with NULLs)

Action

✂️ String Cleaning — ▶

Target columns (empty = all text)

Operations

Strip whitespace Uppercase Lowercase Title Case Remove special characters

🔄 Convert Column Type — ▶

Column

Convert to

On error

Coerce → NaN

Ignore

📊 Outlier Detection — ▶

Column

Method

Action

Remove rows

Replace with NaN

🗑️ Drop Columns — ▶

Columns to drop

Change Log

No operations applied yet.

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