base64 decode

Base64 Decoder

Decode Base64 into readable text with Unicode support.

Runs locally in your browser No uploads Instant results

Instant results

Base64 Decode

Runs in your browserInput type: Base64Output type: Text
Examples
Options
Ready to convert

Practical use

When to use Base64 Decode

Use this utility when text has to be safely encoded, decoded or moved between URLs, forms, scripts and data payloads. Base64 Decode runs locally in the browser, so you can test real input, copy the result or download a file without uploading data to a server.

  • Unicode safe
  • Validation
  • Instant

Example

Encoded greeting

The Base64 Decode example shows the input shape this tool expects. Load it with the sample button, change values and immediately see how the output changes.

SGVsbG8g16nXnNeV150=

How to use this converter

How to use this converter

  1. Paste Base64.
  2. Decode to text.
  3. Copy the decoded result.

FAQ

FAQ

What input does Base64 Decode expect?

Base64 Decode expects Base64 input and returns Text output. Start with the sample if you are unsure about the expected structure.

Why did Base64 Decode show an error?

Errors usually mean the input is empty, incomplete or not valid Base64. Check brackets, quotes, separators and special characters before converting again.

Is my data uploaded to a server?

No. The conversion runs in your browser, so your input does not need to leave your device.

Can I use this converter for free?

Yes. The tools are free to use, with simple advertising that helps keep the site available.

Before converting

How to get a cleaner result

  • For encoding tools, keep the original text until you confirm the decoded or encoded result.
  • Try the built-in sample first to understand the expected input shape.
  • Check that the input is complete before copying or downloading the output.
  • If an error appears, reduce the input to a smaller section and test again.

Common issues

What to check if something fails

  • Partial encoded strings may fail to decode.
  • Special characters should be tested with a small sample first.
  • Double encoding can produce unexpected output.

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