Pevlika Browser Apps

Parquet Viewer

Inspect local Parquet data without uploading the file. Browse tables, query with SQLite SELECT statements and export a result page.

Runs in your browser — nothing is uploaded
50 MB maximum · read-only · 100 rows/page · memory limits apply

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How to use Parquet Viewer

  1. Open a local file, up to 50 MB.
  2. Choose a table/view and browse 100-row pages; search filters the visible page.
  3. Run a SELECT/WITH query, then download the current result page as CSV or JSON.

Questions

Does this edit my source?

No. The file stays unchanged. Queries use an in-memory copy with SQLite query_only enabled; downloads contain only the displayed result page.

What are the limits?

Uncompressed or Snappy Parquet, 100,000 rows / 250,000 cells / 200 columns, within 50 MB. A local SQLite query copy is built in batches. Int64/nested values are text and decimals use JavaScript numeric precision; SQL uses SQLite semantics. Other codecs/encryption are unsupported.

Can queries contact the internet?

No. No network filesystem, extensions, uploads or remote SQL service is configured. Queries and database values are never included in analytics.

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