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SQL Minifier

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入力

自動処理

出力

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ガイド

SQL Minifier

The SQL Minifier compresses your SQL queries by stripping out comments, collapsing whitespace, and removing unnecessary formatting — all while preserving string literals and quoted identifiers. Ideal for reducing query size before embedding in application code or transmitting over the network.

使い方

Paste your SQL query into the input textarea, or click “Try an example” to load a sample query.
The minified output appears automatically in the output field below.
Review the size reduction stats showing original vs minified size and percentage saved.
Click the copy button to copy the minified SQL to your clipboard, or download it as a file.

特徴

Comment Removal – Strips single-line comments (-- そして #) and multi-line comments (/* */).
Whitespace Collapsing – Reduces all whitespace sequences to single spaces and cleans up spaces around punctuation.
String Literal Preservation – Safely handles single-quoted strings, double-quoted identifiers, and backtick-quoted MySQL identifiers.
リアルタイム処理 – Minification runs automatically as you type with no button clicks needed.
Size Statistics – Shows original size, minified size, and percentage reduction at a glance.

 よくある質問

Does minifying SQL affect query performance?

No. SQL minification only removes formatting characters like whitespace and comments. The database engine parses and executes the query identically whether it is formatted or minified. Minification helps reduce payload size when queries are transmitted or stored in code.
What is the difference between SQL minification and SQL obfuscation?

Minification removes unnecessary characters while keeping the query fully readable and functional. Obfuscation deliberately makes code harder to understand, often by renaming aliases or restructuring logic. This tool only minifies — your query remains transparent and debuggable.
Are string literals and quoted identifiers preserved during minification?

Yes. The minifier uses a character-by-character parser that recognizes single-quoted strings, double-quoted identifiers, and backtick-quoted MySQL identifiers. Content inside these delimiters is never modified, ensuring your data values and column references remain intact.