SQL Formatter
Format and beautify SQL locally with dialect selection, keyword case, indentation and syntax highlighting.
SQL input
Formatted SQL
SQL is formatted locally in your browser. Input and output are not uploaded or saved in browser storage or the URL. Large queries may take longer; formatting does not verify that a database can execute your SQL.
Your data stays private
This tool runs directly in your browser. The content you enter is processed locally and is not sent to TechFixGen servers. No account or signup is required.
SQL formatting guide
Make queries easier to review
Formatting arranges SQL clauses, expressions, and indentation so developers and QA engineers can read joins, filters, CTEs (common table expressions), and nested queries. Paste a query, choose its dialect, then click Format or press Ctrl/Cmd+Enter. Copy formatted SQL copies the complete output. Clear removes input and output while keeping your settings.
Choose your database dialect
The selector supports exactly: Standard SQL, PostgreSQL, MySQL, MariaDB, SQL Server / T-SQL, SQLite, Oracle / PL/SQL, BigQuery, Snowflake. Choose the matching dialect before formatting database-specific syntax. Standard SQL is the default, not a universal SQL mode. Database versions, SQL modes, stored procedures, and templating languages can contain unsupported syntax.
Keyword case and indentation
Uppercase and Lowercase change recognized keywords; Preserve keeps their existing case. These controls are not identifier renaming. Choose 2 spaces for compact nesting or 4 spaces for wider indentation. After changing a setting, click Format again. Formatting does not minify SQL — this tool only beautifies/pretty-prints SQL (no minify option).
Comments and string literals
The formatter recognizes quotes and comments according to the selected dialect. SQL-looking words inside a string remain literal content. Comments are retained, but their placement and whitespace can change. The read-only highlighter is a lightweight visual aid, not a complete dialect grammar.
Formatting, validation and execution
This is a formatter, not a complete SQL validator: it rearranges layout and optionally changes keyword case, but does not validate schema correctness or execute SQL. Successful formatting does not check table names, permissions, types, or whether your database can execute the query. Syntax it cannot parse is reported with a line and column when available. Formatting is intended to preserve query meaning, but semantic equivalence is not guaranteed across every dialect or edge case. Review changes and test in your target database before executing any query.
Privacy and large queries
Processing happens locally in the browser. SQL input and output are not automatically saved in the URL, localStorage, or sessionStorage and are not sent in analytics events or formatting requests. Copy writes to your clipboard only when you ask. Reloading the page clears the workspace.
Large SQL queries use browser memory and may pause the page while formatting. Split large scripts into complete statements when practical. Outputs over 100,000 characters are shown as complete plain text without syntax highlighting to reduce rendering work. This tool does not execute SQL, connect to a database, minify SQL, or resolve template placeholders.
Where to go next
To reshape query results, use CSV to SQL to turn CSV files into INSERT statements. To format other data formats, use the JSON Formatter. When reviewing a reformatted query against the original, Text Diff Checker shows line-by-line what changed. For HTTP requests that carry SQL, cURL to Code converts between cURL and code.
Frequently asked questions
Does formatting validate my SQL?
No. Formatting checks only what the formatter needs to arrange the SQL. It does not verify database schemas, permissions, or execution. A formatted query is not guaranteed valid or executable.
Does formatting change what a query does?
Formatting is intended to preserve query meaning while adjusting layout and optionally keyword case. Comments may move or be reindented. There is no absolute semantic guarantee across database edge cases: select the right dialect, review the output, and test before use.
Why does a query fail in Standard SQL mode?
Database-specific quotes, operators, or statements may require a specific dialect. Select your database in the Dialect control. Unsupported procedural SQL or template syntax may still fail; the original input is preserved.
Are comments and quoted strings preserved?
The formatter handles comments and literals according to the chosen dialect. Keyword-looking words inside quoted strings are not keyword-case targets. Comment whitespace and placement can change. Review dialect-specific escaping and SQL modes.
Is my SQL uploaded or saved?
No. Formatting runs locally in your browser. SQL content is not sent to a formatting service or analytics and is not saved in URLs, localStorage, or sessionStorage. Copy writes the output to your clipboard when clicked.
Can I format multiple statements or large scripts?
Yes, separate complete statements with semicolons. Large scripts can take longer and use substantial browser memory. Above 100,000 output characters highlighting is skipped, but the complete output remains available to select and copy.
Does this tool minify SQL?
No. This tool beautifies and pretty-prints SQL for readability. It does not compress or minify queries for production.
Does the formatted output guarantee my SQL will run in my database?
No. Formatting rearranges layout and can change keyword case, but it does not validate table names, permissions, types, or that your database can execute the query. Review the output and test it in your target database before running it.