What is SGVsbG8gV29ybGQ=?

"Hello World"

SGVsbG8gV29ybGQ=
Decoded typePlain text (text/plain)
解码后大小11 B
Base64 length16 characters
Hello World
48 65 6C 6C 6F 20 57 6F 72 6C 64

Explanation

SGVsbG8gV29ybGQ= decodes to the text Hello World. It appears in countless tutorials and documentation pages.

"Hello World" is 11 bytes long. Base64 works on groups of 3 bytes, so the last group contains only 2 bytes and needs one = padding character.

You can decode any similar value yourself with the Base64 decoder, or identify a file from its first characters with the Base64 to File converter.

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