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Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to text instantly in your browser.
Base64
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How to use this tool
Choose Encode or Decode depending on what you want to do, then type or paste your input into the box on the left. The result updates automatically in the output box on the right as you type, and any errors are shown above the input.
FAQ
Is this Base64 tool free to use?
Yes, this tool is completely free to use with no limits on how often you can use it.
Does my text get uploaded anywhere?
No. All encoding and decoding happens directly in your browser. Your data never leaves your computer.
What happens if I try to decode invalid Base64?
The tool will show a clear error message letting you know the input isn't valid Base64.