Text-to-SQL
Generate SQL Queries Using Natural Language
Convert any language into accurate SQL and NoSQL queries in seconds, from simple selects to advanced joins and aggregations.
#1 AI-Powered SQL Tool
Generate SQL Queries in Seconds for Free
Generate, optimize, validate, format, and explain SQL queries like a PRO – 28 supported database engines.
Features
Powerful SQL Generators
Use our tailored SQL and NoSQL generators to improve your SQL workflow.
- SQL Optimizer
Optimize SQL Queries for Faster Performance
Improve slow queries with AI-powered SQL optimizations, index-aware rewrites, and clear reasoning for each performance change.
- SQL Validator
Validate SQL Syntax and Fix Query Errors
Detect SQL syntax issues instantly and get AI-assisted fixes with explanations, so you can understand errors and ship correct queries faster.
- SQL Explainer
Explain SQL Queries with Step-by-Step Breakdown
Understand what each clause does with plain-language SQL explanations, summaries, and visual breakdowns for learning and debugging.
- SQL Formatter
Format SQL Queries for Better Readability
Automatically format SQL for clean, consistent style that is easier to review, debug, share, and maintain across your team.
- SQL Converter
Convert SQL Between Database Engines
Migrate SQL queries from one database engine to another.
Customer teams
Trusted by more than 150,000 professionals
From fast-growing startups to global enterprises, teams rely on SQLAI to ship clear, production-ready queries faster.
Features
Useful Helper Tools
Helper tools enable you to get started in no time and get the most out of your queries, database and data.
- Database Schema
Import or Connect to Your Database with a Single Click
Import your database schema in seconds or connect directly to your database to give the AI schema-aware context and improve generation accuracy.
- Data Insights
Run Queries on Connected Databases
Use natural language to query connected databases and get the data you want without having to wait for the data team. Read-only connections are recommended for improved security.
- Database Rules
Use Database Rules for Even Higher Accuracy
Set rule-based instructions for each database, such as quoting identifiers or limiting rows, so generated SQL stays consistent with your standards.
- Schema Autosuggest
Access Database Schema While Typing
Use schema autosuggest for tables and columns while writing prompts, helping you reference the right entities faster and reduce naming errors.
- Large Schemas
Use Databases with Large Database Schemas
Import or connect to databases with large schemas without exhausting AI context windows and retain strong SQL output accuracy, including databases with 900+ tables.
- View Diff
Compare Original and AI-Improved SQL with Diff View
Use side-by-side SQL diff view to see every change made by the AI when optimizing, fixing, or rewriting queries for better performance and correctness.
- Query Editor
Edit SQL in a Full VS Code-Style Query Editor
Open generated queries in a full-featured SQL editor to make manual adjustments, refine logic, and finalize production-ready SQL faster.
Browse all supported databases
Search 28 databases, see which support a live connection, and jump straight into any SQL generator.
Showing 28 of 28 databases
| Database | Connection | SQL generators |
|---|---|---|
Relational10 databases | ||
 MySQLPopular | Live connect | |
 PostgreSQLPopular | Live connect | |
 SQL Server (MS)Popular | Live connect | |
 Oracle PL/SQLPopular | Live connect | |
 MariaDBPopular | Live connect | |
 SQLitePopular | Schema only | |
 DB2 | Schema only | |
 Microsoft Access | Schema only | |
 SQL (native) | Schema only | |
 Sybase | Schema only | |
Analytics10 databases | ||
 SnowflakePopular | Schema only | |
 BigQueryPopular | Schema only | |
 RedshiftPopular | Schema only | |
 Apache Hive | Schema only | |
 ClickHouse | Schema only | |
 Presto | Schema only | |
 SAP Hana | Schema only | |
 Splunk | Schema only | |
 Trino SQL (AWS Athena) | Schema only | |
 Vertica | Schema only | |
NoSQL3 databases | ||
 MongoDBPopular | Live connect | |
 Cassandra | Schema only | |
 DynamoDB | Schema only | |
Graph2 databases | ||
 Neo4j | Schema only | |
 OrientDB | Schema only | |
Query layer3 databases | ||
 GraphQL | Schema only | |
 PartiQL | Schema only | |
 Salesforce SOQL/SOSL | Schema only | |
Testimonials
Beginners and Pros Trust SQLAI
SQLAI generates, optimizes, validates, formats, and explains SQL so your team can ship with confidence.
PostgreSQL
"SQLAI turned query reviews into a five-minute step. The optimizer suggestions are clear, and the explanations make sharing insights with stakeholders painless."
Sasha M.
Head of Analytics · B2B SaaS
BigQuery + Airflow
"The validator caught a cross-engine syntax issue right before deploy and offered a fix we could ship immediately. We avoid last-minute fire drills now."
Brandon K.
Data Engineer · Marketplace
MySQL
"We feed SQLAI our schema and it generates production-ready queries from product questions. The edit-and-iterate flow feels like pair programming."
Elena P.
Product Engineer · Fintech
SQL Server
"I use SQLAI to sanity-check complex joins and get rewrite options. The guidance is specific enough to trust without losing control."
Devon R.
Database Administrator · Healthcare
Snowflake
"The formatter and explainer keep our dashboards readable. It is the first tool I reach for when I need to document logic for the rest of the team."
Hana S.
BI Analyst · Retail
Oracle DB
"We do not have time for SQL back-and-forth. SQLAI helps the whole team ship reliable queries even when we are stretched thin."
Luis A.
Founder · Early-stage Startup