All Tools
Every TextUtil utility in one place — 50 free online text and developer tools that run entirely in your browser. Nothing is uploaded, and there is no sign-up.
- Text Case ConverterConvert text between different cases: uppercase, lowercase, title case, etc.
- Sort TextSort lines of text alphabetically, numerically, or by length
- Remove DuplicatesRemove duplicate lines from text
- Text DiffCompare two texts and highlight differences
- Find and ReplaceFind and replace text with literal or regex matching, capture groups, and whole-word options
- Unicode InspectorReveal invisible and zero-width characters, flag homoglyphs, and inspect Unicode code points
- Data ExtractorExtract emails, URLs, IP addresses, dates, and other structured data from any text
- Text CleanerClean up messy text: whitespace, line breaks, empty lines, and more
- URL Slug GeneratorConvert any text or title into a clean, URL-safe slug
- Base64 Encode/DecodeEncode text to Base64 or decode Base64 to text
- URL Encode/DecodeEncode text for URLs or decode URL-encoded text
- HTML Encode/DecodeEncode text for HTML or decode HTML entities
- JWT DecoderDecode, verify, and sign JWT tokens
- Morse Code TranslatorTranslate text to and from International Morse code, with audio playback and a light flash
- Caesar Cipher (ROT13)Encode, decode, and brute-force Caesar shift ciphers — with ROT13, ROT47, and Atbash
- Text to Binary ConverterConvert text to binary, hex, decimal, and octal — and back
- Base32 / Base58 / Base85 EncoderEncode and decode text with Base32, Base58, or Base85
- String Escape / UnescapeEscape or unescape string literals for JSON, JavaScript, Java, C/C++, Python, and Unicode
- UUID GeneratorGenerate random UUIDs and ULIDs
- Password GeneratorGenerate secure random passwords and passphrases
- Lorem Ipsum GeneratorGenerate lorem ipsum placeholder text
- Hash GeneratorGenerate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text
- Test Credit Card GeneratorGenerate Luhn-valid fake credit card numbers for software testing
- Test Data GeneratorGenerate structured test data in JSON, CSV, or SQL format
- QR Code GeneratorGenerate a QR code from a URL or text
- HMAC GeneratorCompute keyed HMAC digests (SHA-1, SHA-256, SHA-384, SHA-512) from a message and secret key
- Regex TesterTest and debug regular expressions with live match highlighting, capture groups, and replace.
- Color Contrast CheckerCheck color pairs against WCAG contrast requirements with a live preview and color-format conversion.
- MIME Type LookupFind the MIME type for a file extension, or the extensions for a MIME type
- URL ParserBreak a URL into its components and list its query parameters
- JSON Schema GeneratorGenerate a JSON Schema from a sample JSON payload, inferring types, formats, and required properties
- HTTP Status Code LookupSearch and look up every HTTP response status code by number or name
- Cron Expression ParserTranslate cron expressions to plain English, preview run times, and build schedules
- Semver CalculatorParse, bump, compare, and range-test semantic versions
- Color ConverterConvert a color between HEX, RGB, HSL, HSV and CSS names with a preview and shades
- Chmod CalculatorConvert Unix file permissions between checkboxes, octal (755), and symbolic (rwxr-xr-x)
- JSON DiffCompare two JSON documents and see a structural, path-level diff of what changed