Convert text and binary data to hexadecimal format and decode hex back to readable text directly in your browser. Useful for debugging, protocol analysis, hashes, file inspection, and low-level data processing. Supports UTF-8, Unicode, spaces, and multiline hex sequences.
Hello
48656C6C6F
Convert readable text into hexadecimal byte representation.
48656C6C6F
Hello
Restore the original text from a hexadecimal sequence.
{"id":123,"status":"ok"}
7B226964223A3132332C22737461747573223A226F6B227D
Inspect JSON data at the byte level using hexadecimal notation.
Café ☕
436166C3A920E29895
Hex preserves UTF-8 byte sequences, accented characters, and emoji.
Hexadecimal format represents each byte using two characters from 00 to FF. Unlike binary, which uses only 0 and 1, hexadecimal uses sixteen symbols: 0–9 and A–F.
Because one hex digit represents four binary bits, hexadecimal notation is much shorter and easier to read than raw binary data. It is commonly used for debugging, protocol analysis, file inspection, memory dumps, hashes, color values, and low-level data processing.
Hexadecimal uses sixteen symbols (0-9 and A-F). Each hex digit represents 4 binary bits, and every byte is written as two hex characters from 00 to FF.
Hex is a byte representation format, not an encryption method. A hex string can be converted back to original data without a password or secret key. This format helps display and transfer binary data as text, but it does not provide protection or confidentiality.
Hex is commonly used when binary data needs to be displayed in a readable form. Typical use cases include protocol debugging, binary file inspection, cryptographic hashes, memory analysis, color values such as #FF0000, and byte-level troubleshooting.
Developers often use hexadecimal notation to inspect network packets, file contents, certificates, keys, and other data that would be difficult to read in raw binary format.
Hex and Base64 are both ways to represent binary data as text, but they serve different purposes. Hex is easier for humans to inspect because every byte is displayed directly as two hexadecimal characters.
Base64 is more compact and is commonly used for transporting binary data through APIs, email, JWT tokens, and other text-based systems. Hex is typically preferred for debugging and analysis, while Base64 is preferred for transmission.
Encode text and binary payloads to Base64 and decode them back with UTF-8 support.
Encode and decode URL strings and query params for safe transport in HTTP and APIs.
Convert text into 8-bit binary groups and decode binary bytes back into readable text.
Convert ASCII characters and numeric codes for protocol and parser workflows.
Decode JWT tokens in-browser and inspect header, payload, claims, and expiration data.
Convert text to Unicode escapes and decode Unicode escapes, HTML entities, and multilingual text.