Hash, encode, and check data in your browser

Alternate lowercase and uppercase letters through your text while preserving spacing and punctuation. It all runs inside your browser, on your device.

Convert text to snake_case, so words become lowercase and spaces become underscores. It all runs inside your browser, so your text stays on the device.

Flip text 180 degrees using Unicode lookalike glyphs, preserving characters that have no upside down form. It all runs inside your own browser.

Encode bytes with a self-identifying multibase prefix, or detect the prefix and decode an existing multibase string.

Encode bytes with a human-readable prefix and Bech32 or Bech32m checksum, or validate and decode an existing string.

Encode or decode basE91, a compact printable alphabet. Runs in your browser.

Encode or decode RFC 1924 Base85. Not Ascii85 or Z85. Runs in your browser.

Encode bytes with Bitcoin-alphabet Base58 or Base58Check, or decode them back. Supports optional Base58Check version-byte validation.

Encode text or files as RFC 9285 Base45, or decode Base45 text back to bytes. Designed for compact use with QR alphanumeric mode.

Alternate lowercase and uppercase letters through your text while preserving spacing and punctuation. It all runs inside your browser, on your device.

Convert text to snake_case, so words become lowercase and spaces become underscores. It all runs inside your browser, so your text stays on the device.

Flip text 180 degrees using Unicode lookalike glyphs, preserving characters that have no upside down form. It all runs inside your own browser.

Encode bytes with a self-identifying multibase prefix, or detect the prefix and decode an existing multibase string.

Encode bytes with a human-readable prefix and Bech32 or Bech32m checksum, or validate and decode an existing string.

Encode or decode basE91, a compact printable alphabet. Runs in your browser.