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Decode Base64 to Clear Text

Decode Base64 strings without sending data to a server. Paste Base64 and get clean text instantly.

Base64 data

Paste Base64 data to decode into readable text.

Processing happens locally in your browser; nothing is uploaded.

Decoded textClear text output from Base64 input.

0 lines in0 lines outN/A runtime

Typical inputs process in under 1ms on modern browsers.

How to decode Base64

Decode in 3 steps

Takes ~5 seconds
  1. 1
    Paste Base64

    Add your Base64 string in the input box.

  2. 2
    Decode

    Click "Decode Base64" to convert it.

  3. 3
    Copy output

    Copy the decoded text for reuse.

Base64 decoding is handy for configs, tokens, and encoded content.

Who should use this tool?

  • Developers decoding payloads
  • Analysts inspecting logs
  • Teams troubleshooting integrations

Examples

Decodes a simple Base64 string.

SGVsbG8gd29ybGQh -> Hello world!

Handles numbers and symbols.

MTIzIT8= -> 123!?

Works with multi-word text.

QmFzZTY0IGlzIGhhbmR5 -> Base64 is handy

Decode Base64 quickly

Convert Base64 into readable text without manual steps.

Use this Base64 decoder to convert encoded strings into clear text. Paste Base64 data, decode it instantly, and copy the output. Everything runs locally in your browser for fast, private decoding.

Fast decoding

Convert Base64 to clear text instantly.

  • Instant output
  • No server upload
  • Works on any Base64
Copy ready

Paste decoded text into your app or docs.

  • Bulk paste
  • Line-by-line output
  • Copy or download easily
Privacy first: we never send your input to a server. Everything runs locally in your browser.

Decoding tips

Verify the source of encoded data before decoding.

  • Keep decoded output private if it contains secrets.
  • Trim whitespace before decoding.
  • Re-encode to verify results if needed.

Frequently asked questions

Does this send data to a server?>
No. All decoding happens locally in your browser.
What if my Base64 is invalid?>
The tool will return an error message if it cannot decode the input.
Can I decode multiple lines?>
Yes. Paste multiple lines to decode them as a single block.

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