Decode, convert, and understand

URL

Encode and decode URL percent-encoded text.

JWT

Inspect JSON Web Token header and payload.

Data URL

Create Data URLs from files and decode them to previews or downloads.

Base64

Encode and decode Base64 strings and files.

Base32

Encode and decode RFC 4648 Base32 text and files.

Base58

Convert bytes with the Bitcoin Base58 alphabet.

Base62

Encode and decode compact 0-9A-Za-z Base62 text.

Base85

Convert Adobe-style Ascii85 Base85 text.

Hex

Convert text to hexadecimal and back.

MessagePack

Convert MessagePack bytes to JSON and serialize JSON back.

CBOR

Convert CBOR bytes to JSON and serialize JSON back.

BSON

Convert BSON documents to Extended JSON and serialize them back.

UBJSON

Convert UBJSON bytes to JSON and serialize JSON back.

German

Analyze German sentences by part of speech, grammar, and word relationships.

English

Analyze English sentences by part of speech, grammar, and word relationships.

Russian

Analyze Russian sentences by part of speech, grammar, and word relationships.

Spanish

Analyze Spanish sentences by part of speech, grammar, and word relationships.

Morse Code

Translate text to dots and dashes, or decode Morse code.

ROT13

Apply the classic ROT13 letter rotation.

Atbash Cipher

Transform text with the historical Atbash substitution.

Bacon's Cipher

Encode letters as five-character A/B Bacon groups.

NATO Phonetic Alphabet

Spell letters and digits with NATO phonetic words.