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Instant SQL Query Formatter & Minifier

PostgreSQL • MySQL • SQLite

Beautify and optimize complex SQL queries with custom indentation and keyword cases. 100% client-side execution with zero external requests.

Preset Samples:
Dialect:
Indent:
Case:
Comma:
Input SQL30 lines • 1.2 KB
Statements: 1
WITH user_ordersAS(
SELECT o.user_id,
o.order_id,
o.total_amount,
o.created_at,
ROW_NUMBER()OVER(PARTITION BY o.user_id
ORDER BY o.created_at ASC) AS order_seq,
LAG(o.total_amount, 1, 0)OVER(PARTITION BY o.user_id
ORDER BY o.created_at ASC) AS prev_amount
FROM orders o
WHERE o.status IN  ('completed', 'shipped')
  AND o.created_at >= '2025-01-01'
),
cohort_summaryAS(
SELECT u.country,
DATE_TRUNC('month', u.registered_at) AS cohort_month,
COUNT(DISTINCT u.user_id) AS total_users,
SUM(uo.total_amount) AS lifetime_revenue,
AVG(uo.total_amount) AS avg_basket_size
FROM users u
LEFT JOIN user_orders uo ON uo.user_id = u.user_id
WHERE u.is_active = TRUE
  AND u.role = 'customer'
GROUP BY u.country,
DATE_TRUNC('month', u.registered_at)
HAVING COUNT(DISTINCT u.user_id) > 10
)
SELECT cs.country,
cs.cohort_month,
cs.total_users,
ROUND(cs.lifetime_revenue, 2) AS formatted_revenue,
CASE
  WHEN cs.lifetime_revenue > 100000 THEN 'Platinum Tier'
  WHEN cs.lifetime_revenue > 25000 THEN 'Gold Tier'
  ELSE 'Standard Tier'
END AS cohort_tier
FROM cohort_summary cs
ORDER BY cs.lifetime_revenue DESC,
cs.total_users DESC
LIMIT 50
OFFSET 0;
41 lines • 1.1 KB
postgresql Dialect

Query Structure & Metrics Breakdown

Statements1
SELECT Clauses3
JOIN Operations1
WHERE / Filters2
GROUP / ORDER BY4
Size Shift-5%

Full Dialect Specialization

Tailored formatting for MySQL backticks and comments (#), PostgreSQL dollar strings ($$...$$) and typecasts (::jsonb), plus SQLite autoincrement schemas.

Zero Server Data Retention

Never send confidential production queries, table definitions, or credentials to third-party APIs. Every parsing token is processed locally in your web browser.

Minify for High Throughput

Strip comments, unnecessary spaces, and compress complex queries to single-line strings ready for embedding in application code, microservices, and serverless edge functions.

Frequently Asked Questions & SQL Formatting Best Practices

Why should SQL queries be formatted consistently?

Clean indentation makes complex JOIN hierarchies, nested subqueries, and window functions immediately readable in Git pull requests, facilitating faster debugging and performance tuning.

What is the difference between Trailing and Leading commas?

Trailing commas place the comma at the end of each column line (col1,). Leading commas position the comma at the start of the next line (, col2), preferred by some teams for cleaner git line diffs.

Is my database schema or query text stored anywhere?

No. All tokenizer loops, whitespace transformations, and syntax calculations run strictly within your local browser runtime. No analytics or server requests ever occur.

Can I use this tool for formatting DDL statements?

Yes! DDL statements such as CREATE TABLE, ALTER TABLE, and index declarations are properly indented along with column definitions and constraints.

Quick Reference & FAQ

Instant SQL Query Formatter & Minifier — Reference Guide

Beautify complex SQL queries for MySQL, PostgreSQL, SQLite with custom indentation.

Key Parameters & Controls

Input Buffer / Sourcestring | file

Raw string, payload, or file content to process.

Default: empty
Output Formatselector

Target syntax schema, indentation, or serialization format.

Default: Standard
Indent / Formattinginteger | enum

Formatting whitespace spacing (2-spaces, 4-spaces, or minified tab).

Default: 2 spaces
Strict Validationboolean

Strict linting against target standard schemas before processing.

Default: true

Pro Tips & Best Practices

Zero-Latency Client Memory

All transformations execute locally in browser memory with zero network roundtrips.

Clipboard & Keyboard Shortcuts

Use standard Ctrl+V / Cmd+V for fast clipboard ingest and instant one-click formatted copying.

Common Gotchas & Troubleshooting

Malformed syntax error

Verify input payload against JSON/YAML specs; unclosed quotes or trailing commas cause parse errors.

Large payload memory limit

Modern browsers handle up to 50MB strings in memory; split gigabyte files into chunks.

Frequently Asked Questions

Is data processed by Instant SQL Query Formatter & Minifier stored on any server?▼

No. All computations in Instant SQL Query Formatter & Minifier execute 100% locally within your browser runtime via client-side JavaScript. Zero inputs or outputs are ever transmitted to or stored on remote servers.

Can I use Instant SQL Query Formatter & Minifier offline without an active internet connection?▼

Yes. Once the web application asset is loaded, all processing logic runs self-contained inside your client environment with zero remote API dependencies.

What are the file size or processing limits for Instant SQL Query Formatter & Minifier?▼

Processing limits depend entirely on your available device memory (RAM) and browser thread quotas, typically supporting smooth processing of multi-megabyte payloads.

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