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Base64 Encoder Decoder - Encode and Decode Base64 Online
Use this free Base64 encoder decoder to encode text to Base64 and decode Base64 back to plain text instantly online.
What this tool does
Encode plain text into Base64 format instantly for data transfer, storage, and testing.
Decode Base64 text back into readable content when you need to inspect encoded values.
This tool is useful for developers, API testing, debugging, and working with encoded strings online.
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How this Base64 encoder decoder works
Paste plain text into the input box and click Encode Base64 to convert it into Base64 format.
Paste Base64 text into the input box and click Decode Base64 to convert it back into readable text.
You can copy the result instantly for use in APIs, debugging, data transfer, or testing workflows.
Frequently Asked Questions
What is Base64 encoding?
Base64 encoding converts text or binary data into an ASCII string format that is easier to transfer and store in some systems.
Can I decode Base64 back to text?
Yes. This tool can decode Base64 input and return readable plain text when the input is valid.
Why does Base64 decoding fail?
Decoding usually fails when the input is incomplete, corrupted, or not valid Base64 text.
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