Free Online Developer Tools - JSON, YAML, Minifiers, SQL & More
Free online developer tools including JSON formatter, YAML to JSON converter, HTML/CSS/JS minifiers, SQL formatter, hash generator, timestamp converter, color picker, and password generator.
From formatting JSON to minifying CSS, our developer tools handle the tedious parts of coding. Format, validate, convert, and compress — all in your browser with zero setup.
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💻 All Developer Tools
Color Converter
Free online color converter. Convert colors between HEX, RGB, HSL, and CMYK formats instantly. Includes color picker and live preview. Perfect for web designers and developers.
Color Picker
Free online color picker. Pick colors from a visual palette, get HEX, RGB, and HSL values instantly. Perfect for designers and developers.
CSS Minifier
Free online CSS minifier. Compress and minify your CSS by removing whitespace, comments, and unnecessary characters. Reduce stylesheet size and improve page speed.
Hash Generator
Free online hash generator. Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text instantly in your browser. No server uploads.
HTML Minifier
Free online HTML minifier. Compress and minify your HTML code by removing whitespace, comments, and unnecessary characters. Reduce page size and improve load speed.
HTTP Status Code Lookup
Look up HTTP status codes quickly. Browse all standard HTTP response codes with descriptions and categories. Free HTTP status code reference for developers and SEOs.
JS Minifier
Free online JavaScript minifier. Compress and minify your JS code by removing whitespace, comments, and unnecessary characters. Reduce script size and improve load time.
JSON Formatter
Free online JSON formatter and validator. Format, beautify, minify, and validate your JSON data instantly in your browser.
Password Generator
Generate strong, secure random passwords with our free password generator tool. Customizable length, symbols, numbers, and more. No signup required.
SQL Formatter
Free online SQL formatter. Beautify and format your SQL queries with customizable indentation. Supports SELECT, INSERT, UPDATE, DELETE, and DDL statements.
SSL Certificate Checker
Check SSL/TLS certificate for any domain. Quick links to SSL Labs, SSL Shopper, and other SSL testing tools. Includes OpenSSL command generator. Free SSL checker.
Timestamp Converter
Free online timestamp converter. Convert Unix timestamps to human-readable dates and dates to Unix timestamps instantly in your browser.
YAML to JSON Converter
Free online YAML to JSON converter. Instantly convert YAML to JSON or JSON to YAML. Supports nested objects, arrays, and complex structures. No upload needed.
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