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Converters and encoders are the kind of tools you reach for ten times a day during development or technical work. Encode a binary file to Base64 for embedding, decode a JWT to inspect its claims, generate a SHA-256 hash to verify a download, or convert a Unix timestamp into something humans can read. The collection also includes less common utilities like Punycode conversion for internationalized domains, Morse code translation, and font format conversion between TTF, WOFF, and WOFF2.
These tools frequently handle sensitive inputs: API keys pasted into a Base64 decoder, passwords fed to a hash generator, tokens being inspected in a JWT viewer. Running conversions locally guarantees that none of those values are logged or transmitted. Speed matters here too - conversions happen in microseconds with no network overhead, so the result appears as you type.
Generate barcodes in CODE128, CODE39, EAN13, UPC formats
Encode and decode text or files to/from Base64
Calculate file checksums and verify integrity (MD5, SHA-1, SHA-256)
Convert between HEX, RGB, HSL, and CMYK color formats
Generate harmonious color schemes using color theory
Convert between 30+ world currencies with offline exchange rates
Encrypt and decrypt files using AES encryption. Your data never leaves your browser for complete privacy.
Convert fonts between TTF, OTF, WOFF, and WOFF2 formats. Preview fonts with custom text, view font details, and generate CSS @font-face code.
Generate MD5, SHA1, SHA256, SHA384, SHA512 hashes from text
Create and sign JSON Web Tokens (JWT) with custom claims. Support for HS256, HS384, HS512 HMAC algorithms
Decode and inspect JSON Web Tokens (JWT). View header, payload, claims, expiration status, and signature without needing the secret key
Convert text to Morse code and back. Play audio of the Morse code with adjustable speed and tone.
Convert text to NATO phonetic alphabet (Alpha, Bravo, Charlie...) and back. Includes pronunciation guide and text-to-speech.
Convert numbers between binary, octal, decimal, and hexadecimal
Convert internationalized domain names (IDN) between Unicode and Punycode ASCII encoding. Support for non-ASCII domains.
Generate QR codes from text or URLs
Create URL-friendly slugs from text for SEO and clean URLs
Convert time between different timezones worldwide
Convert length, weight, temperature, and volume units
Convert between Unix/Epoch timestamps and human-readable dates. Supports seconds and milliseconds with timezone information
URL encode or decode text for safe use in URLs
Generate random v4 UUIDs with multiple format options
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