Data Format Converters

Convert CSV to JSON, JSONL, XML, YAML, Parquet, Avro, TSV and TXT — and back. Correct quoting, nested structures and binary formats, all processed locally.

CSV to JSON
Arrays, objects or keyed JSON from any CSV, with types.
JSON to CSV
Flatten nested JSON into a clean CSV table.
CSV to JSONL
One JSON object per line for BigQuery, OpenAI and Elasticsearch.
JSONL to CSV
Convert JSON Lines / NDJSON files into a CSV spreadsheet.
CSV to XML
XML with your own root and row tags from any CSV.
XML to CSV
Flatten nested XML elements and attributes into CSV.
CSV to YAML
Valid YAML with correct quoting from any CSV.
YAML to CSV
Flatten YAML sequences and mappings into a CSV table.
CSV to Parquet
Create an Apache Parquet file from a CSV in your browser.
Parquet to CSV
Read any Parquet file and export it as CSV.
CSV to Avro
Generate an Avro container file with an auto-built schema.
CSV to TSV
Comma-separated to tab-delimited, with quotes handled.
TSV to CSV
Tab-delimited to valid RFC 4180 CSV.
CSV to TXT
Plain text with tab, pipe or custom delimiters from a CSV.
TXT to CSV
Turn tab, pipe or space-delimited text files into CSV.

More tools: Spreadsheet Converters · Database Converters · Document Converters · Data Science and BI Tools · Contacts and Finance Converters

All CSV Shift converters are free, need no account and process your files locally in your browser using JavaScript — nothing is uploaded to a server.