What does Base64 decoding do?
It converts Base64 encoded text back into the original data.
Tool workspace
Decode Base64 online instantly. Convert Base64 encoded strings back into readable text or original data.
Output
Base64 Decoder converts encoded Base64 strings back into their original text or binary representation. Developers frequently need to decode Base64 data when inspecting API responses, authentication headers, or embedded data URLs.
Input
aGVsbG8=
Output
hello
Base64 decoding reverses the encoding process by converting Base64 characters back into the original binary or text data.
It converts Base64 encoded text back into the original data.
Yes if the input is not valid Base64.
No it simply restores the original representation.
No it is only encoding, not encryption.
Yes Base64 often represents binary data.
Yes processing occurs entirely in your browser.