SQL placeholder converter
SQL placeholder converter lets you convert named placeholders while preserving SQL strings and comments in your browser.
SQL formatter
SQL formatter lets you format PostgreSQL, MySQL, or SQLite SQL without connecting to a database in your browser.
SQL formatter
⌂ Inputs and results stay in this browser and are not automatically stored or sent.
Waiting for input
Input & settings
SQLSQL · 0 B
Output
Waiting for input
Complete text result
How to use
Paste SQL, select the database dialect, and format it to follow SELECT, JOIN, and WHERE relationships.
Formatting does not prove correctness or performance. No database connection, execution, or query-plan retrieval occurs; verify against the target DB specification and a suitable test environment before use.
Examples
select id,name from users where active=true order by name;Principles and limits
Each input is limited to 1,048,576 bytes, output to 33,554,432 bytes, and processing to 5,000 ms. Input is never silently truncated.
Guides
Related tools
JSON/CSV → INSERT
JSON/CSV → INSERT lets you convert JSON or CSV to reviewable dialect-aware INSERT statements in your browser.