Sylvaera / SQL Query Generator
POSTGRESQL · MYSQL · BIGQUERY · SQLITE · T-SQL

Free SQL Query Generator
Online

Describe what you want in plain English and get production-ready SQL instantly. Supports PostgreSQL MySQL T-SQL SQLite and BigQuery. Includes clause breakdown and plain English explanation. Free no sign-up.

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Key features

Built for real workflows

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PostgreSQL
Generates optimised PostgreSQL with CTEs, window functions, JSON operators and more.
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MySQL
Produces valid MySQL 8.0+ syntax with proper quoting, LIMIT clauses and engine-specific functions.
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BigQuery
Generates BigQuery Standard SQL with correct DATE functions, ARRAY handling and partitioning.
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Explained
Every query comes with a plain English explanation and clause-by-clause breakdown.
How it works

Three steps, instant results

1
Upload or paste your data — supports CSV, JSON and plain text. Paste directly or upload a file from your computer.
2
Configure your options — select strategies, output format and any custom preferences from the clean interface.
3
Download your results — get processed data as CSV, JSON or Excel instantly. No waiting, no email required.
FAQ

Common questions

How do I generate SQL from plain English for free?

Go to sylvaera.com/app, open the SQL Generator, describe what you want and select your SQL dialect. Get production-ready SQL instantly.

Which SQL databases are supported?

PostgreSQL, MySQL, Microsoft T-SQL (SQL Server), SQLite and Google BigQuery.

Can I paste my schema for better results?

Yes. Paste your CREATE TABLE statements as schema context and the generator produces queries matching your exact table and column names.

Is this tool completely free?

Yes. No sign-up, no credit card, no usage limits for standard datasets. 100% free. All 7 Sylvaera tools are free.

Is my data safe?

Sylvaera does not store any uploaded data. All processing happens in-memory and is discarded immediately after your session ends.

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