Ascii85 encoder and decoder with Adobe, btoa and RFC 1924 Base85 variants. Built for PDF streams and Git binary patches. Free, runs in your browser.
Encode text to Base32 or decode Base32 strings back to UTF-8. Supports RFC 4648 alphabet, optional padding, copy, and download.
Encode UTF-8 text to Base58 or decode Base58 strings used in crypto wallets and compact IDs - browser-based, no data leaves your device.
Encode numbers or text to Base62 and decode strings back instantly in your browser. Ideal for URL shorteners and short IDs. Free, no signup, bulk conversion.
Free online tool to encode or decode Base64 data. Fast, private, and easy to use with no login required. All processing happens in your browser.
Encode or decode URL-safe Base64 strings used in JWTs, OAuth tokens, and signed URLs - runs in your browser, no data sent.
Encrypt or decrypt text with the Caesar cipher. Choose any shift from 1-25, use ROT13 instantly, and copy the result in one click.
Free online tool to encode or decode HTML entities. Fast, private, and easy to use with no login required. All processing happens in your browser.
Encode and decode HTML entities instantly in your browser. Converts <, >, &, ", and 20+ named entities. Supports numeric encoding for Unicode characters. Free, no signup.
Quoted-printable encoder and decoder for MIME email bodies. Handles =XX escapes, soft line breaks at 76 columns and UTF-8 text. Free, no signup.
String escape and unescape tool for JS, JSON, HTML, URL, XML, SQL, and regex. Browser-based, handles special characters easily.
Encrypt and decrypt text using AES-256 encryption. Secure your sensitive data with password-based encryption in your browser.
Free online tool to encode or decode URL components. Fast, private, and easy to use with no login required. All processing happens in your browser.
Vigenere cipher tool encrypts and decrypts text with any keyword, preserves case and punctuation, and shows the key stream lined up under your message. Free, no signup.