Base64 Decoder
Decode Base64 encoded text back to original format.
0 characters
0 characters
SGVsbG8gV29ybGQ= → "Hello World"
Paste Base64, see what's actually in there.
Decoding Tips
Decodes to garbage? The original was probably binary data (image, PDF), not text.
JWT inspection: The middle section (between the dots) is Base64. Decode it to see claims, expiration, user data.
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