Parquet to TSV Converter
Handle Million Rows in Your Browser

Convert Apache Parquet files to TSV (tab-separated values) format instantly in your browser. DuckDB-WASM reads Parquet natively — Snappy, Gzip, and Zstd compression are automatically handled. No file upload, no server processing.

Drag & drop your file here, or browse

Accepts: .parquet (up to 50 MB)

Your data stays in your browser. By using this tool, you agree to our Terms and Privacy Policy.

How to Convert Parquet to TSV

1

Drag & drop your .parquet file or click "browse" to select it.

2

DuckDB-WASM reads the Parquet file natively, auto-detecting schema and decompressing data.

3

Preview the TSV output with column headers, data types, and row data.

4

Click the download button to save the TSV file.

Features

100% Browser-Based

Your data never leaves your device. Processed locally via WebAssembly — no server upload, no privacy concerns.

Native Parquet Reading

DuckDB-WASM reads Parquet files natively with full schema detection. Snappy, Gzip, and Zstd compression are automatically handled.

Type-Aware Conversion

Dates, timestamps, and numeric types from the Parquet schema are correctly formatted in the TSV output.

Parquet vs TSV: What's the Difference?

Apache Parquet is a columnar binary format optimized for analytics, with compression and strict typing. TSV (Tab-Separated Values) is a simple tab-delimited text format widely used for data exchange and scientific data pipelines.

ParquetTSV
StorageColumnar binaryRow-based text (tab-delimited)
File size3-10x smaller (compressed)Larger (no compression)
Data typesInteger, Float, Date, Boolean (strict)Everything is a string
ReadabilityRequires specialized toolsColumns align visually for easy reading
Common useData lakes, Spark, BigQuery, DuckDBData exchange, bioinformatics, linguistics

Benefits of Converting Parquet to TSV

  • Universal compatibility — TSV files can be opened by any text editor, spreadsheet, or database
  • No comma conflicts — tabs as delimiters mean commas in data fields are never an issue
  • Scientific standard — TSV is widely used in bioinformatics and linguistics workflows

Frequently Asked Questions

Is my data uploaded to a server?
No. Your file never leaves your browser. All processing happens locally using DuckDB-WASM. No data is sent to any server.
What is TSV format?
TSV (Tab-Separated Values) is a text format where columns are separated by tab characters instead of commas. Useful when data contains commas.
What Parquet compression formats are supported?
DuckDB-WASM natively supports Snappy, Gzip, Zstd, and uncompressed Parquet files. Decompression is handled automatically.
What browsers are supported?
Any modern browser with WebAssembly support: Chrome, Firefox, Edge, Safari (14+).

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