How to Format SQL Queries So They Are Easy to Read
Format one-line SQL from logs or ORMs for code review by choosing the right dialect, keyword case, indentation, and useful line breaks.
Developer
Developer Tools
Clean up source code, inspect structured data, test regular expressions, decode tokens, and calculate hashes without sending anything to a server. These developer tools run locally in your browser and are ready for quick checks or everyday coding work.
10 tools
Developer Tools
Popular
JSON Formatter
Format, validate and minify JSON instantly.
Code Formatter
Prettify JS, TS, CSS, HTML, YAML and more.
HTML Formatter
Clean up messy HTML with proper indentation.
CSS Formatter
Beautify CSS, SCSS and LESS stylesheets.
JavaScript Formatter
Format JavaScript and TypeScript the Prettier way.
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Regex Tester
Test regular expressions with live highlighting.
JWT Decoder
Decode claims and verify HMAC signatures.
Hash Generator
Create MD5 and SHA hashes for text or files.
SQL Formatter
Format, indent and minify SQL for any dialect.
Cron Explainer
Turn a crontab schedule into plain English.
Guides
How to Read a Cron Expression
Learn the five cron fields, read common schedules, avoid day and time-zone mistakes, and check the next five run times before deployment.
How to Decode a JWT and Read Its Claims
Learn how to decode a JWT, read its header and claims, understand Base64URL, and check an HMAC signature without confusing decoding with verification.
How to Verify a File Checksum with SHA-256
Learn how to verify a file checksum against a published SHA-256 checksum, compare common hash algorithms, and use browser or command-line tools.
Convert JSON to CSV and CSV Back to JSON
Convert JSON to CSV or CSV to JSON, flatten nested objects, choose comma, semicolon, or tab delimiters, and preserve correctly quoted cell values.
YAML vs JSON: Differences and How to Convert
Compare YAML vs JSON syntax, comments, indentation, and common uses, then learn how to convert YAML to JSON and diagnose line and column errors.
How to Format and Validate JSON
Learn how to format and validate JSON, fix common syntax errors, read line and column messages, minify data, sort keys, and compare versions.