SQL Linter

Lint SQL for style and common anti-patterns. Free browser-based SQL Lint — no signup, runs locally.

Introduction

SQL Linter is a free, browser-based utility in our Code Tools collection. Lint SQL for style issues and common anti-patterns while you draft queries. SQL Linter flags style and foot-gun patterns so reviews spend less time on SELECT * debates and more on logic. Rules are guidance - your team standards still win. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include style and anti-pattern hints.

Features

Style and anti-pattern hints
Feedback while drafting
Complements the formatter

How to use

1
Paste SQL.
2
Lint and read the suggestions.
3
Apply the ones that match your team standards.

Example

Select star

Input

SELECT * FROM orders

Output

Hint: avoid SELECT * in production queries

Benefits

Run SQL Lint entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
Style and anti-pattern hints
Feedback while drafting
Complements the formatter
Pair it with SQL Formatter and SQL Validate when your workflow needs adjacent utilities.

FAQs

It advises; it does not connect to or lock a database.

Use the suggestions as a checklist alongside your own lint rules in CI.

Yes.

Yes. SQL Lint on EverydayDevTools is free, with no account, watermarks, or usage caps for normal interactive use.

No. SQL Lint runs in your browser. Your input is processed locally and is not sent to EverydayDevTools servers.

Lint SQL for style issues and common anti-patterns while you draft queries. It fits everyday code tools tasks when you want a fast local utility instead of installing a CLI or opening a heavy IDE feature.

Core capabilities include: Style and anti-pattern hints; Feedback while drafting; Complements the formatter.

Developers often pair SQL Lint with SQL Formatter, SQL Validate. Open Related tools on this page for quick links.