Upload
Load CSV or Excel files securely
Drop CSV or Excel here
Up to 200 MB • Local processing • No upload
Dataset Snapshot
Quality —No dataset loaded.
Data Preview
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Ready to clean this dataset?
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Clean
Fix quality issues
Missing values
0
across 0 columns
Duplicates
0
exact row matches
Outliers
0
robust MAD + IQR
Quality score
—
Recalculates after cleaning
Action history
Undo 0 • Redo 0 • Snapshots 0/50 • Est. history memory 0 B
No actions yet.
Missing Value Manager
Text Standardization
Transform
Reshape and calculate
Transform Preview
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Transform Operation Results (non-destructive previews)
These previews do not overwrite your cleaned main dataset preview.
Calculated ColumnNo preview.
Filter RowsNo preview.
Join / Combine ColumnsNo preview.
Aggregate / Group ByNo preview.
Calculated Column
Expression Builder (numeric columns)
Filter Rows
Aggregate / Group
Join / Combine Columns
Join Another CSV
No secondary dataset loaded.
Visualize
Build charts instantly
Basic builder
X-Axis usually represents categories or time. Y-Axis usually represents numeric values.
No chart configured yet
Advanced encoding & axes
Pie charts work best with fewer categories. Scatter plots require numeric X and Y values.
No chart configured yet — pick fields to visualize. Tip: use category/date on X and numeric on Y.