String to Byte Converter
Convert a string to its UTF-8 byte values in decimal (0–255).
Encoders & Decoders Runs in your browser
How do you convert a string to bytes?
A string to byte converter shows the raw byte values behind a string. Snabbit encodes your string as UTF-8 and lists each byte as a decimal number from 0 to 255, separated by spaces, so “Hi” becomes “72 105”. Multi-byte characters expand to several values. It runs in your browser, keeping your string private.
How to use the String to Byte
- 1 Type or paste your string.
- 2 The decimal byte values appear instantly, space-separated.
- 3 The string is UTF-8 encoded, so each byte is 0–255.
- 4 Copy the byte values.
What you can use it for
- Building a byte array literal for code.
- Inspecting how a string is stored in memory.
- Preparing byte test data for low-level functions.
- Teaching the difference between characters and bytes.
Frequently asked questions
Are these the same as ASCII codes?
For plain English characters the byte value equals the ASCII code. Accented letters and emoji are UTF-8 encoded, so they appear as several byte values rather than one.
What is the range of each value?
Each number is a single byte, so it ranges from 0 to 255. A character that needs several bytes simply produces several numbers in a row.
How do I rebuild the string?
Paste the numbers into the Byte to String converter to decode the bytes back into your original string.
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