Developer Tools
68 free online tools — runs entirely in your browser
Text ToolsDiffWeb & URLJWTHTMLMarkdownCSSJavaScriptJSONXMLYAMLCSVSQLEncodingHashGeneratorsColorNumbersRegex
Text Tools
Word Counter
Count words, characters, sentences and paragraphs in your text.
textcounterwords
Lorem Ipsum Generator
Generate placeholder text for your designs and layouts.
textloremplaceholder
Case Converter
Convert text between uppercase, lowercase, title case, camelCase and more.
textcaseuppercase
Line Sorter
Sort lines alphabetically, numerically, or reverse order.
textsortlines
Whitespace Remover
Remove extra whitespace, trim lines, and clean up messy text.
textwhitespacetrim
Diff
Web & URL
URL Decoder
Decode percent-encoded URL strings back to readable text.
urldecodepercent-encoding
URL Encoder
Encode text for safe use in URLs using percent-encoding.
urlencodepercent-encoding
URL Parser
Parse URLs into components: protocol, host, path, query, hash.
urlparserquery
Slug Generator
Generate URL-friendly slugs from titles and text.
slugurlseo
JWT
HTML
HTML Validator
Check HTML for common errors and malformed tags.
htmlvalidatecheck
HTML Formatter
Beautify and indent HTML code for better readability.
htmlformatbeautify
HTML Decoder
Decode HTML entities back to their original characters.
htmldecodeentities
HTML Minifier
Minify HTML by removing whitespace, comments and unnecessary attributes.
htmlminifycompress
HTML Tag Stripper
Remove all HTML tags and extract plain text content.
htmlstriptags
Markdown
CSS
JavaScript
JavaScript Formatter
Beautify and format JavaScript code with proper indentation.
javascriptformatbeautify
JavaScript Minifier
Minify JavaScript by removing whitespace and shortening code.
javascriptminifycompress
JavaScript String Escape
Escape special characters in JavaScript strings.
javascriptescapestring
JavaScript String Unescape
Unescape JavaScript string escape sequences.
javascriptunescapestring
JSON
XML
XML Formatter
Format and indent XML for readability.
xmlformatbeautify
XML to JSON
Convert XML data to JSON format.
xmljsonconvert
XML Validator
Validate XML syntax and check for well-formedness.
xmlvalidatecheck
XML Minifier
Minify XML by removing whitespace and comments.
xmlminifycompress
XML Encoder
Encode special characters for safe use in XML.
xmlencodeentities
XML Decoder
Decode XML entities back to their original characters.
xmldecodeentities
YAML
CSV
SQL
Encoding
Base64 Decoder
Decode Base64 strings back to original text.
base64decodeconvert
Base64 Encoder
Encode text or data to Base64 format.
base64encodeconvert
Image to Base64
Convert images to Base64 data URIs for embedding in HTML/CSS.
imagebase64data-uri
Hex Decoder
Decode hexadecimal strings back to text.
hexdecodeconvert
URL Encode Text
Encode all characters in text using percent-encoding.
urlencodepercent-encoding
Hex Encoder
Encode text to hexadecimal representation.
hexencodeconvert
Base64 to Hex
Convert Base64 encoded data to hexadecimal.
base64hexconvert
Base32 Decoder
Decode Base32 strings back to text.
base32decodeconvert
Base32 Encoder
Encode text to Base32 format.
base32encodeconvert
Hex to Base64
Convert hexadecimal data to Base64 encoding.
hexbase64convert
Base58 Decoder
Decode Base58 encoded strings back to text.
base58decodebitcoin
Base58 Encoder
Encode text using Base58 encoding (Bitcoin-style).
base58encodebitcoin
Hash
MD5 Hash Generator
Generate MD5 hashes from text input.
md5hashchecksum
SHA-256 Hash Generator
Generate SHA-256 hashes from text input.
sha256hashchecksum
SHA-1 Hash Generator
Generate SHA-1 hashes from text input.
sha1hashchecksum
SHA-512 Hash Generator
Generate SHA-512 hashes from text input.
sha512hashchecksum
SHA-3 Hash Generator
Generate SHA-3 (Keccak) hashes from text input.
sha3keccakhash
SHA-384 Hash Generator
Generate SHA-384 hashes from text input.
sha384hashchecksum
SHA-224 Hash Generator
Generate SHA-224 hashes from text input.
sha224hashchecksum
Generators
Password Generator
Generate strong random passwords with customizable options.
passwordgeneratorsecurity
UUID Generator
Generate unique UUIDs (v4) for use as identifiers.
uuidguidgenerator
Passphrase Generator
Generate memorable passphrases from random words.
passphrasegeneratorsecurity
PIN Generator
Generate random numeric PINs of configurable length.
pingeneratorrandom