Work function collection

CSV and JSON data handoffs tools

For analysts, automation builders, operations teams, and developers preparing structured data for another person or system.

CSV cleanup, comparison, splitting, merging, and CSV-to-JSON conversion for files that need a reviewable handoff.

Repeatable work

Start with a guided workflow

Clean, split, compare, merge, or convert CSV and JSON files into outputs that are easier to inspect and hand off.

Curated tools

6 published browser tools

Convert formats, encode or decode content, and change dimensions or structure.

2 tools

Paste or upload CSV and download formatted JSON objects built from the header row.

Paste JSON and download a CSV with object keys turned into column headers.

Normalize, filter, sort, deduplicate, and prepare cleaner inputs.

1 tool

Paste a CSV, keep only selected columns, and download the smaller CSV.

Compare two values, lists, files, or versions and explain differences.

1 tool

Compare two CSV files by a key column and see added, removed, and changed rows.

Handle repeat work, batches, splitting, merging, checklists, and packaging.

2 tools

Join two CSV tables by a shared key and download the merged rows.

Split a large CSV into smaller CSV files by row count in a local browser worker.