All Tools
17 free online tools for developers, designers, and creators. Everything runs in your browser — fast, private, and no sign-up required.
Developer Tools
JSON Formatter
Format, validate, and minify JSON data with syntax highlighting and error detection.
Regex Tester
Test regular expressions in real-time with match highlighting and group extraction.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to plain text instantly.
URL Encoder/Decoder
Encode and decode URLs with percent-encoding for safe transmission.
CSS Minifier
Minify CSS code to reduce file size and improve page loading speed.
Diff Checker
Compare two texts side-by-side with highlighted additions, deletions, and changes.
JWT Decoder
Decode JSON Web Tokens to inspect header, payload, and expiration status.
Markdown Preview
Write and preview Markdown with live rendering and export to HTML.
Generators & Converters
Password Generator
Generate cryptographically secure passwords with strength analysis and batch mode.
UUID Generator
Generate universally unique identifiers (UUID v4) with bulk generation support.
QR Code Generator
Generate QR codes from text or URLs with custom colors and sizes. Download as PNG.
Color Picker & Converter
Pick colors, convert formats, check WCAG contrast, and generate gradients.
Number Base Converter
Convert between binary, octal, decimal, and hex with interactive bit visualization.
Timestamp Converter
Convert between Unix timestamps and human-readable date/time formats.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words for your designs.
Text Counter
Count words, characters, sentences, and paragraphs with reading time estimation.