THE CSV WORKBENCH

Big files. Smaller pieces.

Build your pipeline, inspect the plan, then Chop.

BROWSER ENGINE

Source & destination

Input file

Output directory

Choose a parent folder. Each job saves into a new results folder. Keep this tab open until saving finishes.

Output formatZIP input member optionalA member is a file inside the input ZIP archive. Leave blank if the archive has one CSV; otherwise enter the exact path of the CSV inside it, such as data/customers.csv. This setting only applies to ZIP input.

CSV dialect & encoding UTF-8 · comma · headers

Input

Output

Build a pipeline

ORDER MATTERS

Each step works within the groups made by the step before it.

Limits & resources

Maximum rows per CSVMaximum CSV bytes

Compressed size target approximateRandom seed optional

Hard byte limits include encoding, headers and quoting. Compressed targets may be exceeded; ZIP targets apply to each member.

Resource budget Bounded memory · disk-backed processing

Sort workers (0 = automatic)Working memory (MiB)Maximum output files / groupsTemporary directoryMaximum temporary bytesMaximum record working bytes

Source & destination

Input

Output

Build a pipeline

Limits & resources

Input preview