All Developer Tools
Browse our complete collection of free, client-side developer tools.
Formatting & Validation
JSON Formatter
Format, validate, minify, and tree-view JSON data.
FormattingSQL Formatter
Format SQL queries with proper indentation and casing.
FormattingMarkdown Preview
Write Markdown and see rendered HTML in real-time.
EditorEncoding & Decoding
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
EncodingURL Encoder / Decoder
URL-encode or decode text for safe query strings.
EncodingJWT Decoder
Decode and inspect JWT token header, payload, and signature.
SecurityGeneration
UUID Generator
Generate UUID v4, v1, and bulk UUIDs with one click.
GeneratorLorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
GeneratorHash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
SecurityText & Compare
Text Diff Checker
Compare two text blocks and see differences highlighted.
CompareRegex Tester
Test regular expressions in real-time with match highlighting.
TextConverters
Password Generator
Generate strong, random passwords with customizable length and character sets.
SecurityUnix Timestamp Converter
Convert epoch time to human-readable dates and back, instantly.
ConverterHTML Encoder / Decoder
Escape or unescape HTML entities safely for display or storage.
EncodingNumber Base Converter
Convert between decimal, binary, hexadecimal, and octal instantly.
ConverterText Counter
Count characters, words, lines, sentences, and reading time live.
UtilitySlug Generator
Turn any title or text into a clean, SEO-friendly URL slug.
Utility