27 free tools
Random Generators
Secure random numbers, strings, passwords, test data, IPs, dates, Lorem Ipsum and more. 27 free tools — everything runs privately in your browser.
- Random String GeneratorGenerate random strings
- Random Number GeneratorGenerate random decimal numbers
- Random JSON GeneratorGenerate realistic fake JSON data
- Lorem Ipsum GeneratorGenerate placeholder text
- Random Name PickerPick random winners from a list
- Random IP Address GeneratorGenerate random IPv4 or IPv6 addresses
- Random MAC Address GeneratorGenerate random MAC addresses
- Random Time GeneratorGenerate random times of day
- Random Date GeneratorGenerate random dates in a range
- Random Integer GeneratorGenerate random whole numbers
- Random Integer Range GeneratorShuffle every number in a range
- Random Prime Number GeneratorGenerate random prime numbers
- Random Decimal GeneratorGenerate random numbers with fixed digits
- Random Fraction GeneratorGenerate random fractions
- Random Binary GeneratorGenerate random binary numbers
- Random Hex GeneratorGenerate random hexadecimal numbers
- Random Bytes GeneratorGenerate secure random bytes
- Random Alphanumeric GeneratorGenerate random letters and digits
- NanoID GeneratorGenerate short, URL-safe unique IDs
- Random Word GeneratorGenerate random English words
- Shuffle LinesRandomly shuffle lines of text
- Random XML GeneratorGenerate fake XML records
- Random CSV GeneratorGenerate fake CSV data
- Random TSV GeneratorGenerate fake tab-separated data
- Random Data from RegexGenerate strings that match a regular expression
- Random Bitmap GeneratorGenerate random pixel images
- Test Credit Card Number GeneratorGenerate Luhn-valid test card numbers
More categories
All 498 tools →- JSON ToolsFormat, validate, view, compare, query and repair JSON.
- ConvertersConvert between JSON, XML, YAML, CSV, TSV, TOML, HTML tables and RSS.
- CSV & ExcelView CSV, convert spreadsheets to JSON/XML/CSV and back, and build HTML tables.
- SQL ToolsFormat and minify SQL, and convert INSERT statements to and from JSON, CSV and more.
- XML ToolsFormat, validate, query (XPath), transform (XSLT), diff and convert XML.
- YAML ToolsFormat, validate, view, edit and convert YAML.
- Data to ClassGenerate typed classes and schemas from JSON or XML in 19 languages.
- Code FormattersBeautify, minify and validate JavaScript, TypeScript, Python, Go, C/C++, PHP, Java, Lua and more.
- Editors & ViewersOnline code editors, file viewers and syntax highlighting for 40 languages.
- HTML & JavaScriptFormat, minify, validate and preview HTML; convert HTML tables, JSX, PHP and Jade.
- CSS ToolsBeautify, minify and validate CSS, and convert between CSS, LESS, SCSS, SASS and Stylus.
- Markdown & BBCodeEdit and preview Markdown, and convert Markdown and BBCode to and from HTML.
- Encoders & EscapersBase64, Base32, Base58, URL, UTF-8, hex and binary encoding, HTML entities, escaping and compression.
- Hash & CryptoMD5, SHA-1/2/3, BLAKE, CRC and 20+ hashes, HMAC, bcrypt, AES encryption and passwords.
- Number & IP ToolsBinary, octal, decimal and hex converters, bitwise calculators, IP conversions and number words.
- Text & String ToolsCount words, change case, sort, de-duplicate, clean up and transform text.
- Color ToolsConvert HEX, RGB, HSL, HSV and CMYK, find color names and check WCAG contrast.
- Unit ConvertersLength, weight, volume, temperature, data size and 10 more unit converters, plus a date calculator.
- Image ToolsConvert PNG, JPG, WebP, BMP and SVG, image ⇄ Base64, GIF frames and QR codes.
- Chart MakersMake line, bar, pie, doughnut and scatter charts from your data and download them.
- Network & WebDNS, MX and reverse lookups, an API tester, URL tools and curl-to-code converters.
- Developer ToolsJWT decoder, UUIDs, regex, timestamps, cron, chmod, text diff and card validation.