Interactive data workspace

Turn raw data
into clarity.

Drop in a CSV and DataLens will profile your columns, surface missing values, detect duplicates, build charts, and help you clean the dataset without destroying the original file.

CSV preview Column profiling Cleaning history Export-ready

CSV IMPORT

Drop CSV here

or choose a file from your device

Recommended under 20 MB. Processing happens locally in your browser.

Dataset overview

Analysis

Rows 0 Current dataset

Columns 0 Detected fields

Missing 0 Empty cells

Duplicates 0 Repeated rows

Dataset health

Quality snapshot

Completeness 0%

Duplicates 0%

Type confidence 0%

Data Health is a DataLens heuristic based on completeness, duplicate rate, and consistent column typing.

Quick insights

What stands out

Preview

First rows

Column

Condition

Value

Page 1 / 1

Chart builder

Create a view

Chart type

X / Category

Y / Value

Suggestions

Visualization

Choose a chart

CHART

Select fields and generate a visualization.

Missing values

Completeness

Duplicates

Repeated rows

0 duplicate rows detected

History