Developer Tools
Browse free online developer tools for text, JSON, encoding, hashes, and other common development tasks.
Encoding & Hashing
Base64 Encoder & DecoderEncode and decode Base64 strings online with UTF-8 support. Fast, simple, and processed entirely in your browser.Open toolMD5 Hash GeneratorGenerate MD5 hashes online instantly. Simple, fast, and processed entirely in your browser.Open toolSHA-1 Hash GeneratorGenerate SHA-1 hashes online instantly. Note that SHA-1 is considered cryptographically weak and should not be used for security-sensitive applications.Open toolSHA-256 Hash GeneratorGenerate SHA-256 hashes online instantly. Fast, simple, and processed entirely in your browser.Open toolSHA-512 Hash GeneratorGenerate SHA-512 hashes online instantly. Fast, simple, and processed entirely in your browser.Open toolBcrypt Hash Generator & VerifierGenerate and verify Bcrypt password hashes online. Passwords are processed entirely in your browser and are not sent to a server.Open tool
Generator
UUID GeneratorGenerate UUID v4 and UUID v7 identifiers locally in your browser.Open toolULID GeneratorGenerate valid ULIDs with configurable quantity and casing.Open toolRandom String GeneratorGenerate secure random strings with configurable character sets.Open toolPassword GeneratorGenerate strong random passwords locally in your browser.Open toolQR Code GeneratorCreate QR codes for URLs and plain text directly in your browser.Open toolQR StudioCreate styled QR codes locally in your browser.Open toolLorem Ipsum GeneratorGenerate Lorem Ipsum placeholder text by paragraphs, sentences, or words.Open tool
Developer Tools
Base64 Encoder & DecoderEncode and decode standard Base64 text in your browser with UTF-8 support.Open toolURL Encoder & DecoderEncode and decode URL components locally in your browser.Open toolJWT DecoderDecode JWT header, payload, and signature locally in your browser.Open toolRegex TesterTest JavaScript regular expressions with flags, match details, and capture groups locally.Open toolUnix Timestamp ConverterConvert Unix timestamps and ISO 8601 UTC dates locally in your browser.Open toolHash GeneratorGenerate SHA hash digests from text locally in your browser.Open toolCron ExpressionValidate Unix cron expressions, explain fields, and preview upcoming local runs.Open toolCSS MinifierMinify CSS locally in your browser and see the exact byte savings.Open toolJavaScript MinifierMinify JavaScript locally in your browser and see the exact byte savings.Open tool