Developer bench

UTF-8 Base64

Encode Unicode text as Base64 or decode Base64 bytes back into UTF-8 text.

PRACTICAL WORKFLOW

UTF-8 Base64: inputs, results and limitations

Encode Unicode text as Base64 or decode Base64 bytes back into UTF-8 text.

How to use UTF-8 Base64

  1. Paste your text or use the example to inspect the operation.
  2. Review the options before running: Operation: encode
  3. Inspect the preview or result, then download a new file.

An illustrative use case

An Arabic message round-tripped through UTF-8 Base64.

Sample input

مرحبا Tabaix

What to inspect in the output

Select encode for plain text and decode for encoded input. Preserve padding and characters when copying. The output remains text, not a general arbitrary-file decoder.

Where this tool stops

Review the output before using it. Your original input is not changed.

Settings and starting values

ControlStarting value
Operationencode

Troubleshooting UTF-8 Base64

Check source syntax and distinguish literal characters from their escaped representation. Run the example first, then compare with your failing input to isolate the invalid part.

Questions about UTF-8 Base64

Does Base64 protect a password?

No. Base64 is reversible encoding. It offers neither confidentiality nor password hashing.

What input does UTF-8 Base64 need?

Use the sample text shown below, then replace it with your own input. Review the result for the destination where it will be used.

Which options does UTF-8 Base64 provide?

Operation. Review the starting values in the table and adjust them for your input.

Your original input is preserved. Review the new output before using it in a published page, customer delivery or production workflow.

JavaScript enables the interactive workspace.

JSON formatter

URL component encoder

HTML entities

CSS comment cleaner

JavaScript minifier

HTML comment cleaner

Regex tester

Hex ↔ RGB

Unix timestamp converter