Encoders & Hashing
Encode, decode and hash text with standards like Base64, URL encoding, HTML entities and common hash algorithms. All conversions happen locally — nothing is uploaded to a server.
Base64 Text
Free online Base64 text encoder and decoder. UTF-8 safe — works with emoji, Chinese, Arabic, anything. 100% in your browser.
Encoders & HashingURL Encoder
Free online URL encoder and decoder. Percent-encodes spaces, special characters, and non-ASCII safely. 100% in your browser.
Encoders & HashingHTML Entities
Free online HTML entity encoder and decoder. Convert <, >, &, ", ' to and from HTML entities. 100% in your browser.
Encoders & HashingJWT Decoder
Free online JWT decoder. Inspect the header, payload, and signature of any JSON Web Token. Decodes only — no signature verification. 100% in your browser.
Encoders & HashingHash Generator
Free online hash generator. Computes MD5, SHA-1, SHA-256, SHA-512 and HMAC-SHA-256 for any input. 100% in your browser using the Web Crypto API.
Encoders & HashingBase Converter
Free online number base converter. Edit any field — binary, octal, decimal, or hexadecimal — and see the others update live. 100% in your browser.
Encoders & HashingFile Hash
Drag any file to compute SHA-1, SHA-256, SHA-512 — 100% in your browser.
Encoders & HashingText/Binary
Convert text to and from binary, octal, hex. UTF-8 safe.
Encoders & HashingCaesar
Classic shift cipher. Default shift 13 = ROT13. Encode and decode in one tool.