Encoding calculators
Encoding tools transform text or bytes between common representations such as Base64. They do not encrypt data.
Output is a reversible encoding of the input under the named scheme. Use cryptography pages when you need hashing or confidentiality.
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Encoding
Base64 Encoder/Decoder
Encode or decode Base64 with UTF-8-safe conversion and clear errors for invalid data. Runs entirely in your browser.
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Encoding
CRC-32 Checksum
Compute a CRC-32 checksum over text. Non-cryptographic—use for integrity checks against accidental corruption only.
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Encoding
Text ↔ Hex Converter
Convert between UTF-8 text and hexadecimal byte strings using TextEncoder/TextDecoder in your browser.
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Encoding
URL Encoder/Decoder
Encode or decode URL component strings with percent-encoding suitable for query values and path segments.
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