d.DataPrep DeskDeveloper utilities
● Local-first processing

Data Workbench

Inspect and clean data in the browser. Upload a CSV, TSV or JSON array, or paste your own text. Nothing is submitted to our servers.

Maximum 3 MB · 10,000 rows · 100 columns

01 / Load your data

CSV · TSV · JSON
Choose a file or drag it here

CSV, TSV or JSON (max 3 MB)

02 / Cleaning options

Non-destructive preview

Select only the transformations you need. Re-import the source if you want to start over.

Cells remain text to preserve IDs and leading zeros. Downloads protect common spreadsheet-formula injection patterns by default; avoid treating exported values as trusted.

03 / Export

Files generated locally

Download the current table as a new file. Export does not overwrite your original.

Dataset overview

Nothing loaded
▦No dataset yetLoad a file or choose the sample to see its quality summary.

Row preview

First 12 rows
☷Your table preview appears hereValues are displayed as text, never executed as HTML.