Convert DTA to PARQUET
Free, fast DTA → Parquet. No watermarks, no sign-up.
How to convert DTA to PARQUET
1. Upload DTA
Drop your DTA file into the converter above.
2. Confirm PARQUET
Output is already set to PARQUET. Adjust only if you need to.
3. Download
Convert and download your Parquet file instantly.
Format Details
DTA
DTA is the native binary data file format for Stata, a statistical analysis package widely used in economics, epidemiology, and social science research. It stores complete datasets along with variable labels, value labels, missing value indicators, and display formats that preserve the full analytical context. DTA files can contain millions of observations and thousands of variables, making them suitable for large survey and panel datasets.
dataParquet
Apache Parquet is an open-source binary columnar storage format designed for efficient analytical data processing across the big data ecosystem. Its columnar layout enables excellent compression ratios and fast query execution when only a subset of columns is needed. Parquet is the de facto standard format for data lakes and is natively supported by Apache Spark, Hadoop, Presto, Snowflake, and most modern data processing platforms.
dataConverting DTA to PARQUET: what actually changes
DTA to Parquet is one of the conversions this site performs, but the two formats are not interchangeable containers. Here is what the file keeps, what it loses, and how to get a result you can use.
What .DTA and .PARQUET each hold
.DTA is a data format built for analysing, importing or exchanging records, storing rows, columns and value types. .PARQUET is a data format built for analysing, importing or exchanging records, storing rows, columns and value types. Converting between them is a decision about which of those two jobs the result needs to do.
What changes in the conversion
Both files belong to the data category, so this is a like-for-like repackage: the same kind of content, stored in a different container. What changes is how .PARQUET encodes rows, columns and value types — not what the file is about.
When this conversion is the right one
Reach for .PARQUET when the software, device or platform you are sending to expects it — the content is the same data, only the packaging differs. The reverse direction works the same way, so you can always convert back from .PARQUET to .DTA using the same tool.
Tips for a clean DTA to PARQUET conversion
Start from the original file
Convert the .DTA you started with, not an earlier .PARQUET output. Every extra round trip costs quality and can accumulate formatting drift.
Check the real type, not the extension
Application/x-stata becomes application/x-parquet. If a file was renamed rather than converted, it will fail to open — rename it back to its true extension before uploading and the conversion will recognise it.
Confirm the structure first
Open the .DTA briefly and check delimiters, headers and encoding. A misplaced separator or a stray quote is the usual reason the output looks wrong even though the conversion succeeded.
Limits worth knowing
Uploads are capped per file (30 MB, or 100 MB for video) and processed temporarily — nothing is kept as a permanent copy. For huge data files, split or compress the source first.
Frequently Asked Questions
How do I convert DTA to PARQUET?
Upload your DTA file on Convertek, select PARQUET as the output format, then click Convert. Your PARQUET file will be ready to download instantly.
Is the DTA to PARQUET converter free?
Yes. Converting DTA to Parquet on Convertek is completely free with no watermarks. Fair upload limits apply (typically 30 MB per file).
Is my file kept after conversion?
No. Files are processed temporarily and not stored permanently. Converted downloads are available only in your browser session.
What is the difference between DTA and PARQUET?
DTA and Parquet are different file formats with distinct use cases. Converting between them lets you use your file in software or workflows that require the PARQUET format.