Base64 Decode to Text — Free & Private (In-Browser)
Decode Base64 back to text in your browser. Handles UTF-8 and reports invalid input clearly. No upload, no signup. Free.
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How to use Base64 Decode
- 1Paste a Base64 string into the input box.
- 2It is decoded to UTF-8 text locally in your browser.
- 3Invalid input shows a clear error instead of garbled output.
- 4Copy the decoded text. (aGVsbG8= decodes to "hello".)
Base64 Decode FAQ
- What happens with invalid Base64?
- You get a clear error instead of garbled output. Decoding happens locally; nothing is uploaded.
- base64 decode('aGVsbG8=') equals?
- It decodes to "hello" — try it. All decoding runs in your browser.