Data Studio

How it works

1. 1

   Open the workspace

   Click Open studio — your files and sidebar context stay on one page.

2. 2

   Choose a mode

   Pick a tool from the sidebar or a popular chip above. Switch anytime without reload.

3. 3

   Export or hand off

   Download the result or jump to a related studio with your file still loaded.

• SQL Query (DuckDB) online — freeRun SQL against CSV/Parquet locally with DuckDB WASM.
• Postgres Playground online — freeIn-browser Postgres (PGlite) for local SQL experiments.
• CSV to JSON — convert table dataTurn CSV data into structured JSON (and back). Tentaco CSV to JSON Converter: review input and get an instant result — free, no sign-up.
• JSON Flatten — nested to dot notationFlatten nested JSON into dot-notation keys. Tentaco JSON Flatten: review input and get an instant result — free, no sign-up.
• XML Formatter — pretty print XMLBeautify and indent XML, or minify it to one line. Tentaco XML Formatter: review input and get an instant result — free, no sign-up.