· encryption
Generate BLAKE2b digests at 128, 256, 384 or 512 bits, or any length from 1 to 64 bytes, from text or uploaded files. It runs inside your browser.
Encryption
Checksums, encodings, text tweaks, and a few validators. Open a tool, paste your input, take the result.
The ones people open a lot.
Generate BLAKE2b digests at 128, 256, 384 or 512 bits, or any length from 1 to 64 bytes, from text or uploaded files. It runs inside your browser.
Generate BLAKE2s digests at 128, 160 or 256 bits, or any length from 1 to 32 bytes, from text or uploaded files. It runs inside your browser.
Percent-encode or decode URL text using component, path, query, fragment, or userinfo rules. It runs in your browser, so your input stays on the device.
Encode bytes with Bitcoin-alphabet Base58 or Base58Check, or decode them back. Supports optional Base58Check version-byte validation.
Generate placeholder text by paragraph, sentence or word, with control over length, vocabulary, truncation and an optional seed for repeatable output.
Transform text with the ROT13, ROT5, ROT18 or ROT47 substitution ciphers. It all runs inside your browser, so your text stays on the device.
Validate pasted or uploaded CSV data with custom delimiters, header handling and an optional expected column count. It runs inside your browser.
Encode text or uploaded files as lowercase hexadecimal, or decode hex back to binary. It all runs in your browser, so your input stays on the device.
Verify a password against an Argon2 PHC hash using the parameters embedded in the hash.
Tools we changed lately.
Generate BLAKE2b digests at 128, 256, 384 or 512 bits, or any length from 1 to 64 bytes, from text or uploaded files. It runs inside your browser.
Generate BLAKE2s digests at 128, 160 or 256 bits, or any length from 1 to 32 bytes, from text or uploaded files. It runs inside your browser.
Percent-encode or decode URL text using component, path, query, fragment, or userinfo rules. It runs in your browser, so your input stays on the device.
Encode bytes with Bitcoin-alphabet Base58 or Base58Check, or decode them back. Supports optional Base58Check version-byte validation.
Generate placeholder text by paragraph, sentence or word, with control over length, vocabulary, truncation and an optional seed for repeatable output.
Transform text with the ROT13, ROT5, ROT18 or ROT47 substitution ciphers. It all runs inside your browser, so your text stays on the device.