Find the signal.
Inspect a dataset, clean the rough edges, and leave with data you can actually use.
Loading workspace…
From input to output.
- Choose a CSV or use the synthetic sample. Check encoding, delimiter and header.
- Choose a column, apply reversible transformations, and inspect a paginated preview.
- Export the entire filtered dataset as CSV or JSON. Formula protection is enabled by default.
The useful boundaries.
20 MB · 100,000 rows · 200 columns. All cells remain text, including JSON exports. Aggregation uses fixed-point arithmetic up to 6 decimal places; averages truncate to 6 places.
Your work stays with you.
Files are processed in browser memory. They are not sent to this site’s server, the portfolio assistant, or a business demo. Export downloads a file to your device. Reloading or clearing the workspace removes the active result. Downloaded engine assets may remain in browser cache.
Manage local data · Privacy & data flow