Convert text to and from hexadecimal format instantly. Secure, fast, and works offline in your browser.
Paste your text to encode or hex-encoded text to decode in the input field.
Select encode to convert text to hex, or decode to convert hex back to text.
View your encoded/decoded output instantly and copy it to clipboard.
Encode special characters for URLs, HTML entities, and API parameters.
Store binary data as hex strings in databases that don't support binary types.
Safely transmit binary data through text-based protocols like email or JSON.
Inspect binary data, memory dumps, and network packets in readable format.
Work with cryptographic hashes, keys, and encrypted data representations.
Analyze hex-encoded malware signatures, security tokens, and certificates.
Hexadecimal (hex) encoding converts binary data into a text format using base-16 numbering system. Each byte of data is represented by two hexadecimal digits (0-9, A-F), making it easy to read and transmit binary information through text-based systems.
Every character in your text is converted to its ASCII (or Unicode) code point, then represented as a two-digit hexadecimal number. For example:
4148656c6c6ff09f9a80Hex encoding is widely used in programming, networking, and data storage because it provides a human-readable representation of binary data that can be safely transmitted through systems that only support text characters.
Hexadecimal encoding converts binary data into a base-16 text format using digits 0-9 and letters A-F. Each byte becomes two hex characters, making binary data readable and transmittable through text-only systems.
No, hex encoding is not encryption. It's a reversible conversion that makes binary data readable as text. Anyone can decode hex back to the original data without a key or password.
Valid hex characters are 0-9 and A-F (case-insensitive). Each byte is represented by exactly two hex digits, so the total length is always even.
Yes, the tool supports Unicode characters. Multi-byte characters are properly encoded using their UTF-8 byte representation in hexadecimal format.
Yes, hex encoding is completely reversible. You can always decode hex back to the exact original data, byte for byte.
Hex uses 2 characters per byte (16 possibilities), while base64 uses fewer characters but includes more symbols. Hex is more readable but less space-efficient than base64.
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