Encode, decode, and hash data instantly. Base64, URL encoding, cryptographic hashes, JWT tokens, HMAC signatures, and more — all processed locally in your browser.
Encode or decode Base64 strings
Encode or decode URL components
MD5, SHA-1, SHA-256, SHA-512
Decode and inspect JWT tokens
Encode & decode HTML entities
Convert images to Base64 data URIs
Escape strings for JS, Python, HTML, SQL
Convert text to binary, hex, octal
Generate HMAC-SHA256/384/512
Encode & decode Base32 strings
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