Are my files uploaded?

No. Files are opened and processed by your browser on this device. Nothing is sent to a server, so it works with private documents and even offline once the page has loaded.

No. Everything happens in your browser and your inputs are saved only on this device.

Nightroll

Free SQL Formatter

Paste a query to make it readable.

select u.id, u.name, count(o.id) as orders from users u left join orders o on o.user_id = u.id where u.created_at > '2026-01-01' group by u.id, u.name having count(o.id) > 3 order by orders desc limit 20;

DialectKeywordsIndent

Formatting only; the query is not run or checked against a database.

How to make formatted SQL

Paste your SQL.
Pick the dialect, keyword case and indentation.
Copy the formatted query.

Frequently asked questions

Are my files uploaded?: No. Files are opened and processed by your browser on this device. Nothing is sent to a server, so it works with private documents and even offline once the page has loaded.
Is my data stored?: No. Everything happens in your browser and your inputs are saved only on this device.