Quick answer
You must provide either text to encode to Base64 or a Base64 string to decode.
Base64 Empty Input
You must provide either text to encode to Base64 or a Base64 string to decode. Empty input cannot be processed.
Common causes
- Submitting without entering any content.
- Clearing the input field by mistake.
How to fix
- Enter the text you want to encode, or paste a Base64 string to decode.
- Use Encode for plain text → Base64; use Decode for Base64 → plain text.
FAQ
- Can I encode an empty string?
- Encoding an empty string yields an empty Base64 string. For decode, empty input is invalid.
Fix it now
Try in validator (prefill this example)