Online UTF-8 Tools
Online UTF-8 Tools is the OnlineTools.com sub-site for UTF-8 encoding — base conversions, code-point handling, case operations, and cross-encoding utilities.
Encoders & Decoders(26)
ASCII to UTF8
Re-encodes ASCII text as UTF-8 (a no-op for plain ASCII).
Arbitrary Base to UTF8
Decodes an arbitrary-base representation back to UTF-8 text.
Base64 to UTF8
Decodes a Base64-encoded payload back to UTF-8 text.
Binary to UTF8
Converts binary bits back to UTF-8 text.
Bytes to UTF8
Converts raw byte sequences to UTF-8 text.
Data URL to UTF8
Decodes a Data URI back to UTF-8 text.
Decimal to UTF8
Converts decimal byte values to UTF-8 text.
HTML Entities to UTF8
Decodes HTML numeric entities back to UTF-8 characters.
Hex to UTF8
Converts hexadecimal byte values to UTF-8 text.
Octal to UTF8
Converts octal byte values to UTF-8 text.
URL-decode UTF8
Decodes percent-encoded UTF-8 text back to plain text.
URL-encode UTF8
Percent-encodes UTF-8 text for URL transport.
UTF16 to UTF8
Re-encodes UTF-16 data as UTF-8.
UTF32 to UTF8
Re-encodes UTF-32 data as UTF-8.
UTF8 to ASCII
Approximates UTF-8 text as ASCII by stripping non-ASCII characters.
UTF8 to Arbitrary Base
Encodes UTF-8 text in an arbitrary numeric base.
UTF8 to Base64
Encodes UTF-8 text as a Base64 string.
UTF8 to Binary
Converts UTF-8 text to binary bit representation.
UTF8 to Bytes
Converts UTF-8 text to raw byte sequences.
UTF8 to Data URL
Encodes UTF-8 text as a Data URI for inline embedding.
UTF8 to Decimal
Converts UTF-8 text to decimal byte values.
UTF8 to HTML Entities
Encodes UTF-8 characters as HTML numeric entities.
UTF8 to Hex
Converts UTF-8 text to hexadecimal byte values.
UTF8 to Octal
Converts UTF-8 text to octal byte values.
UTF8 to UTF16
Re-encodes UTF-8 text as UTF-16 code units.
UTF8 to UTF32
Re-encodes UTF-8 text as UTF-32 code units.
Text & Encoding(5)
Code Points to UTF8
Builds UTF-8 text from a list of Unicode code points.
Randomize UTF8 Case
Randomly mixes the case of UTF-8 characters.
UTF8 to Code Points
Extracts the Unicode code points from UTF-8 text.
UTF8 to Lowercase
Converts all UTF-8 characters to lowercase, including non-Latin scripts.
UTF8 to Uppercase
Converts all UTF-8 characters to uppercase, including non-Latin scripts.