CSV and JSON data tools.
Clean, transform, compare, merge, filter, and inspect structured data entirely in your browser.
Work locally, download directly
Process CSV, TSV, JSON, and JSON Lines data locally—useful for private exports, customer lists, reports, and development fixtures.
JSON Merger
Deep-merge multiple JSON objects with configurable array handling.
JSON Difference
Find added, removed, and changed values using precise JSON Pointer paths.
JSON Array Sorter
Sort primitive or object arrays by nested text or numeric property paths.
JSON Array Deduplicator
Remove repeated JSON values or objects sharing a nested property value.
JSON Lines Converter
Convert JSONL or NDJSON records to a JSON array and back again.
CSV Cleaner
Trim fields and remove empty or duplicate rows from CSV and TSV files.
CSV Sorter
Sort CSV or TSV rows by a chosen text or numeric column.
CSV Deduplicator
Remove duplicate CSV rows using all fields or selected matching columns.
CSV Column Selector
Keep only the columns you need from a CSV or TSV file.
CSV Transposer
Swap CSV rows and columns while preserving quoted cell content.
CSV Merger
Combine multiple CSV or TSV files and align columns by their headers.
CSV Splitter
Divide a large CSV into row-limited parts and download them as a ZIP.
CSV Delimiter Converter
Convert between comma, semicolon, tab, and pipe-delimited data safely.
CSV Data Profiler
Inspect column types, unique values, empty cells, ranges, and duplicate rows.
CSV Row Filter
Keep rows matching text, numeric, or empty-value conditions in one column.
CSV Column Renamer
Rename CSV or TSV headers while preserving every data row and quoted cell.
CSV Key Join
Combine two CSV tables with an inner or left join on selected key columns.
CSV Row Sampler
Extract first, last, or repeatable random samples from large CSV files.