Free, privacy-first TXT to Parquet converter. Transform text files to columnar Parquet format directly in your browser. No uploads, no servers, no sign-up.
Tabs, pipes, semicolons, fixed-width columns -- ExploreMyData figures out the structure of your TXT file and parses it into clean columns automatically.
Parquet uses columnar storage with built-in compression. Your converted files are smaller and faster to query than raw text, CSV, or JSON equivalents.
The exported Parquet files work natively with BigQuery, Apache Spark, Athena, Snowflake, Pandas, and every major data tool.
Your TXT file stays on your device. No data is sent to any server. Everything runs locally in your browser using DuckDB WASM.
No sign-up, no trial, no watermarks. Convert as many TXT files to Parquet as you need, completely free.
Once loaded, ExploreMyData works without an internet connection. Convert TXT to Parquet even on a plane.
Drag a .txt file onto the page. It loads instantly and columns are detected automatically.
Review the parsed data. Filter rows, rename columns, or reshape as needed.
Click Export, choose Parquet, and download your compressed, columnar Parquet file.
Open exploremydata.com/app, drag your TXT file onto the page. ExploreMyData auto-detects delimiters (tabs, pipes, fixed-width). Then click Export and choose Parquet.
ExploreMyData auto-detects common delimiters including tabs, commas, pipes, semicolons, and fixed-width columns. Your TXT data is parsed into structured columns automatically.
Parquet is a columnar storage format that offers efficient compression and fast analytical queries. It's the standard format for BigQuery, Spark, Athena, and other data tools. Converting TXT to Parquet makes your data ready for modern data pipelines.
Yes. ExploreMyData uses DuckDB WASM which handles files with millions of rows efficiently, all running locally in your browser without uploading anything.
No sign-up, no upload, no tracking. Just drop your file and export.
Convert TXT to Parquet Free