Developer Tools
JSON formatter, Base64, URL encoder, color converter and more developer utilities.
16 tools available
JSON Formatter
Format, validate, and beautify JSON code online with syntax highlighting.
Base64 Encoder/Decoder
Encode text or data to Base64 and decode Base64 strings back to plain text instantly.
URL Encoder/Decoder
Encode and decode URLs and query strings to handle special characters safely in web addresses.
Color Converter
Convert colors between HEX, RGB, HSL, HSV, CMYK, and other color formats instantly.
Password Generator
Generate secure, random passwords with custom length and character options.
HTML Encoder/Decoder
Encode special characters to HTML entities or decode HTML entities back to plain text with one click.
JSON Minifier
Minify, beautify, and validate JSON data instantly — reduce file size or format for readability with one click.
JWT Decoder
Decode and inspect JWT tokens — view the header, payload claims, and expiry time without any server-side code.
Regex Tester
Test regular expressions against any text and instantly see all matches with count and position.
UUID Generator
Generate cryptographically random UUID v4 or ULID identifiers in bulk — copy one or all with a single click.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 and SHA3-256 cryptographic hashes from any text input.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and convert dates back to timestamps — supports milliseconds.
Number Base Converter
Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) instantly.
CSS Minifier
Minify CSS to reduce file size by removing whitespace and comments, or beautify minified CSS for readability.
Markdown to HTML
Convert Markdown text to clean HTML with a live rendered preview and copyable HTML source code.
Cron Expression Parser
Parse cron expressions into plain English descriptions and preview the next 5 scheduled execution times.