Base64 → HTML
Giải mã Base64 về HTML ngay trong trình duyệt — preview lại file để chắc chắn không hỏng.
Enter or Upload
Input your text or upload a file
Choose Action
Encode, decode or view information
View Results
See output and extra details
Input (Binary)
101010 111100 110101 ...
Split into 6-bit
101010 111100 110101 ...
Convert to Index
42 60 53 ...
Base64 Characters
q 8 1 ...
100% Private & Secure
All processing happens in your browser. No data is sent to any server.
Working with source files? Pair this with CSS Beautifier or use HTML to Base64 for markup-specific payloads.
Decode Base64-encoded HTML back into normal markup so you can review, format, or render it. The decoder returns text only; nothing is executed.
Decoding only returns text. Execution only happens if you render the markup somewhere; treat untrusted input with care.
No. Output is plain text; HTML parsing happens only when a browser renders it.
Yes. The data URI prefix is stripped automatically before decoding.
Yes. The decoder returns the bytes verbatim, including any & or numeric entities in the source.