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Data Sparrow
Local by default
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transform · hybrid

Sort, Filter & Sample

Build a reproducible filtered, sorted, or sampled view.

planned
Start locallyNothing leaves this device.
Browser worker
Starting local worker… CSV, TSV, JSON, and NDJSON process locally · native formats open consent review

Local limits are enforced before work starts. This build accepts up to 128 MiB, 2 million rows, 10,000 columns, and 8 MiB per field locally. Measured public limits will be refined by cross-browser evidence.

No formulas or scripts run. Cell content is rendered as text. Formula-like CSV values are counted before export.