SQL formatter
Database Tools
Online
Format or minify SQL statements with keyword-aware line breaks.
Input
Output
Runs locally in your browser.
What it does
- Format — uppercase keywords and readable line breaks.
- Minify — compress to a single line.
Other tools in this category
External
drawDB
Simple schema designer that exports SQL for several databases.
External
Redis Playground
Official Redis browser sandbox for learning commands and testing data structures interactively.
Online
SQL online test
Run SQL against an in-browser SQLite database powered by sql.js.
Online
Redis online test
Practice Redis commands in an in-browser memory simulator.
Online
SQL online IDE
Run SQL against in-browser SQLite (same engine as SQL online test).
Online
Chiner
ER diagrams with Mermaid and exportable SQL drafts for schema design.
External
SQLime
Run SQLite in the browser with shareable links and simple charts.