Base64 Encoder & Decoder
Convert text to Base64 and back in one workspace. Choose a direction, swap the result into the input, then copy or download.
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How it works
Paste your content or load the example. Choose the available options, run the tool, then copy or download the result.
A practical example
Your text
Ciao
Result
Q2lhbw==
Frequently asked questions
Does Base64 encrypt my text?
No. Base64 represents data using a different set of characters; it does not use a secret key. Anyone with the encoded text can decode it. Use the direction control to encode or decode UTF-8 text in the same tool.
Is my input sent to a server?
No. Your content is processed in this browser. It is never sent to the server or saved.
What should I know about Base64 Encoder & Decoder?
Uses UTF-8 text. Invalid byte sequences are rejected. Binary input uses eight-bit groups; hex input accepts byte pairs with optional spaces. Base64 uses the standard alphabet and padding.