#1 Text-to-SQL Generator

Generate SQL Queries in Seconds for Free

Generate, optimize, validate, format, and explain SQL queries like a SQL professional. We support most database engines, database schemas in any format and have plenty of useful helper tools to make working with SQL queries and databases as easy and accurate as possible.

Get Started for FreeSupported Databases

Features

AI SQL tools for generation, optimization, validation, formatting, and explanation

Generate SQL from text, optimize performance, validate syntax, format queries, and explain complex SQL with AI.

  1. Text-to-SQL Generator

    Generate SQL Queries Using Natural Language

    Convert plain English (or any language) into accurate SQL and NoSQL queries in seconds, from simple selects to advanced joins and aggregations.

    Try Text-to-SQL now
  2. SQL Optimizer

    Optimize SQL Queries for Faster Performance

    Improve slow queries with AI-powered SQL optimization suggestions, index-aware rewrites, and clear reasoning for each performance change.

    Try SQL optimizer now
  3. 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.

    Validate SQL now
  4. 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.

    Format SQL now
  5. 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.

    Explain SQL now

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.

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Features

SQL Datasource Features

Connect and manage SQL data sources to improve query accuracy, enforce schema rules, run natural-language insights, and scale to large database schemas.

  1. Adding Data Source

    Add SQL Data Sources With a Single Click

    Import your database schema in seconds or connect directly to your database to give AI schema-aware context and improve SQL query generation accuracy.

    • Import schemas quickly from your data source
    • Increase SQL output precision with table and column context
    Add datasource now
  2. Data Insights

    Run Queries on Connected Data Sources

    Use natural language to query connected databases and get tailored data insights without manually building complex SQL from scratch.

    • Turn business questions into executable SQL
    • Generate insights directly from your connected schema
    Run datasource queries
  3. Data Source Rules

    Use Datasource Rules for Higher SQL Accuracy

    Set rule-based instructions for each data source, such as quoting identifiers or limiting rows, so generated SQL stays consistent with your standards.

    • Enforce source-level SQL guardrails
    • Apply reusable instructions to every generated query
    Configure datasource rules
  4. 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.

    • Autocomplete table and column names from your schema
    • Speed up prompt writing and schema lookup
    Enable schema autosuggest
  5. Large Schemas

    Use Data Sources With Large Database Schemas

    Connect large schemas without exhausting AI context windows and retain strong SQL output accuracy, including databases with 600+ tables.

    • Built for high-table-count schemas
    • Keep schema coverage and query accuracy at scale
    Add large-schema datasource

Supported database engines

Generate, optimize, validate, and explain SQL across SQL, NoSQL, and analytics engines. Bring your schema and keep full control.

See full list

Features

SQL Query Helper Tools

Use built-in SQL query helper tools to run, format, compare, and edit SQL queries faster with better accuracy and readability.

Explore all helper tools in app
  1. Run Query

    Run Generated SQL on Connected Data Sources

    Execute generated SQL and NoSQL queries directly against connected data sources so you can validate results quickly without leaving your workflow.

    • Execute SQL immediately after generation
    • Validate query outputs with your real schema and data source
    Run queries in app
  2. Format Query

    Format SQL Queries With Custom Rules

    Apply SQL formatting rules instantly to keep queries consistent, readable, and review-friendly across teams, projects, and database engines.

    • Standardize SQL style across your codebase
    • Improve SQL readability for faster debugging and collaboration
    Open SQL formatter
  3. View Diff

    Compare Original and AI-Improved SQL With Diff View

    Use side-by-side SQL diff view to see every change made by AI when optimizing, fixing, or rewriting queries for better performance and correctness.

    • Review exactly what changed in each SQL clause
    • Build trust with transparent AI query edits
    View optimization diff
  4. 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.

    • Make manual SQL edits with familiar editor UX
    • Combine AI generation with precise human control
    Open query editor

Testimonials

Data teams trust SQLAI to deliver reliable queries.

From first draft to final review, SQLAI generates, optimizes, validates, formats, and explains SQL so your team can ship with confidence.

Generate in SQL in secondsOptimize SQL queries and databaseValidate across enginesExplain and format for teams
Optimizer + ExplainerPostgres + dbt
"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

Faster review cycles
ValidatorBigQuery + 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

Safer releases
GeneratorMySQL + Prisma
"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

Faster iterations
OptimizerSQL 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

Cleaner query plans
Formatter + ExplainerSnowflake
"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

Clearer handoffs
All-in-onePostgres
"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

Leaner workflow

FAQ

Frequently asked questions

Find clear answers about how SQLAI helps teams generate, optimize, validate, and explain SQL faster.