SQL Formatting & Query Utilities
62 toolsSQL Formatter / Beautifier
Format SQL into a readable, consistently indented query.
→🗄️SQL Minifier
Remove unnecessary whitespace and comments from SQL.
→🗄️SQL Validator
Perform safe client-side structural checks without executing SQL.
→🗄️SQL Keyword Case Converter
Convert common SQL keywords to upper, lower, or title case.
→🗄️SQL Indentation Formatter
Apply configurable indentation to a SQL statement.
→🗄️SQL Comment Remover
Remove SQL line and block comments while preserving query text.
→🗄️SQL Query Line Counter
Count total, non-empty, and comment lines in SQL.
→🗄️SQL Statement Counter
Count SQL statements separated by semicolons, ignoring empty fragments.
→🗄️SQL Query Length Calculator
Calculate SQL character, byte, word, and line counts.
→🗄️SQL Placeholder / Parameter Generator
Convert named placeholders to positional parameters.
→🗄️SQL Escape / Unescape Tool
Escape common SQL string characters for a single-quoted literal.
→🗄️SQL Query Complexity Analyzer
Estimate structural complexity from joins, subqueries, predicates and set operations.
→🗄️SELECT Query Generator
Generate a parameterized SELECT query.
→🗄️INSERT Query Generator
Generate a parameterized INSERT statement from columns and values.
→🗄️UPDATE Query Generator
Generate an UPDATE statement with a required WHERE clause.
→🗄️DELETE Query Generator
Generate a DELETE statement with a required WHERE clause.
→🗄️CREATE TABLE Generator
Generate portable CREATE TABLE DDL from field definitions.
→🗄️ALTER TABLE Generator
Generate common ALTER TABLE operations.
→🗄️CREATE INDEX Generator
Generate CREATE INDEX SQL.
→🗄️DROP TABLE Generator
Generate a guarded DROP TABLE statement.
→🗄️JOIN Query Generator
Generate a SELECT with a configurable JOIN.
→🗄️WHERE Clause Generator
Build a WHERE clause from simple predicates.
→🗄️SQL CASE Statement Generator
Generate a searched CASE expression.
→🗄️SQL Pagination Query Generator
Generate LIMIT/OFFSET pagination for common SQL dialects.
→🗄️Database Schema Designer
Turn a compact table definition into readable schema DDL.
→🗄️CREATE TABLE / DDL Analyzer
Analyze tables, columns, keys and constraints in CREATE TABLE SQL.
→🗄️SQL DDL Generator
Generate CREATE TABLE DDL from field specifications.
→🗄️Primary Key Helper
Compare common primary-key strategies and generate a simple definition.
→🗄️Foreign Key Generator
Generate a FOREIGN KEY constraint.
→🗄️Composite Key Helper
Generate a composite PRIMARY KEY and explain when to use one.
→🗄️Database Normalization Calculator
Check a simple table description for common normalization warning signs.
→🗄️1NF / 2NF / 3NF Checker
Run a guided heuristic check for first, second and third normal form.
→🗄️ER Diagram Generator
Generate Mermaid ER diagram code from compact table definitions.
→🗄️Database Relationship Analyzer
Summarize one-to-many, one-to-one and many-to-many relationship definitions.
→🗄️Database Size Calculator
Estimate database storage from row counts, row size and indexes.
→🗄️Table Size Calculator
Estimate table data plus index overhead.
→🗄️Row Size Calculator
Add field storage estimates to calculate average row bytes.
→🗄️Index Size Calculator
Estimate index payload size from key width and row count.
→🗄️Database Growth Calculator
Project storage growth over time.
→🗄️Storage Requirement Calculator
Estimate production storage including headroom and backups.
→🗄️Record Capacity Calculator
Estimate how many records fit in a storage allocation.
→🗄️VARCHAR Storage Calculator
Estimate payload bytes for a VARCHAR value under common encodings.
→🗄️INT / BIGINT Storage Calculator
Calculate storage for integer columns using common fixed-width sizes.
→🗄️Database Backup Size Calculator
Estimate backup storage across full and incremental copies.
→🗄️CSV → SQL INSERT
Convert CSV rows into INSERT statements.
→🗄️JSON → SQL INSERT
Convert a JSON array of objects into SQL INSERT statements.
→🗄️SQL INSERT → JSON
Convert simple INSERT statements into a JSON array.
→🗄️SQL INSERT → CSV
Convert simple INSERT statements into CSV.
→🗄️SQL Table → Markdown
Convert simple SQL column definitions into a Markdown table.
→🗄️SQL Result → HTML Table
Convert CSV-style result data into a safe HTML table.
→🗄️SQL Result → YAML
Convert a simple JSON array or CSV-like result into YAML.
→🗄️SQL Result → XML
Convert a JSON array into simple XML rows.
→🗄️SQL Data Type Reference
Compare common SQL data types and typical use cases.
→🗄️SQL Function Reference
Look up common SQL functions and their purpose.
→🗄️SQL Operator Reference
Look up common SQL operators.
→🗄️SQL JOIN Reference
Compare INNER, LEFT, RIGHT and FULL JOIN behavior.
→🗄️SQL Constraints Reference
Look up PRIMARY KEY, FOREIGN KEY, UNIQUE, CHECK and DEFAULT.
→🗄️SQL NULL / Three-Valued Logic Helper
Evaluate simple comparisons involving NULL using SQL three-valued logic.
→🗄️Database Connection String Builder
Build common connection URLs from host, port, database and credentials.
→🗄️Database Port Reference
Look up common default database ports.
→🗄️SQL Dialect Converter
Convert a small subset of common syntax between MySQL, PostgreSQL and SQL Server.
→🗄️SQL IN Clause Generator
Generate a safe SQL IN-list from newline or comma-separated values.
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