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Data Sparrow
Local-first • uploads need consent
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Reuse saved steps

Saved Steps

Preview

Save a set of cleanup steps and reuse it on other files.

On this device or temporary online processing. This tool remains in preview while its specialist workflow and output acceptance are completed.

Start on this deviceNothing is uploaded.
Getting ready… Accepted here: CSV, TSV, JSON, NDJSON, XLSX, PARQUET
Loading saved steps…

Large files are checked before opening. On this device, a file can be up to 128 MB, 2 million rows, and 10,000 columns.

Formulas and scripts are never run. Every cell is treated as text so a file cannot run hidden instructions.