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Encoding Tools

Encode and decode Base64, URL components, UTF-8, hex strings, ROT13/47, and UUencoding. All processing runs locally in your browser.

What you can do

  • Encode binary data as Base64 for APIs and data URIs
  • Percent-encode URLs and query strings safely
  • Convert between hex, UTF-8 text, and legacy encodings

All tools run locally in your browser. No account required.

Tools in this cluster

developer tools
Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to text. Support for UTF-8 and binary data.

developer tools
URL Encoder/Decoder

Encode special characters for URLs or decode URL-encoded strings. Essential for web development.

converters
Hex ↔ Text

Decode hex to text or encode text to hex (UTF-8). A simple Ethereum log & calldata decoder tool for EVM developers. Fast, client-side processing.

text tools
UTF-8 Encode/Decode

Encode text to UTF-8 bytes (hex) or decode UTF-8 hex to text. Handle Unicode and special characters.

text tools
Uuencode / Uudecode

Encode text with Uuencode or decode Uuencoded text. Classic Unix encoding for binary in text.

password tools
ROT13 Strings

Encode or decode text with ROT13. Rotates letters by 13 positions. Self-inverse: apply twice to get original text.

password tools
ROT47 Strings

Encode or decode text with ROT47. Rotates all printable ASCII (33–126) by 47 positions. Self-inverse.

All convertersDeveloper tools