TextEncoder and TextDecoder preserve international characters and emoji instead of corrupting non-ASCII content.
ENCODE & DECODE HTML BASE64
HTML Base64 Encoder & Decoder Online
Encode Unicode HTML as Base64 or decode a Base64 string back to HTML with accurate UTF-8 handling in your browser.
Free to useNo sign-upPrivate browser processing
INPUTHTML or Base64 source
2 lines63 B
OUTPUTBase64 or decoded HTML
0 B
or press Ctrl + Enter
WHY USE IT
A focused tool for reliable HTML work
Encode HTML to a portable Base64 string or decode Base64 back to readable source with one tool.
Source and encoded data remain on your device throughout the conversion.
HOW IT WORKS
Three quick steps
- 01Paste HTML or Base64
Enter readable source for encoding or an existing Base64 value for decoding.
- 02Choose the direction
Select Encode to Base64 or Decode Base64.
- 03Copy the result
Use the output in a data field, test fixture, transfer format or decoded HTML file.
COMMON QUESTIONS
HTML Base64 Encoder FAQ
Is Base64 encryption?
No. Base64 is a reversible text encoding and provides no secrecy. Do not use it to protect passwords, personal data or confidential source code.
Can this encode HTML containing emoji and non-English text?
Yes. The converter encodes and decodes UTF-8 bytes, so Unicode content is preserved.