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PreviewSee which rows were added, removed, changed, or left unchanged.
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
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.