✓ Runs locally in your browser

Base64 Encoder / Decoder

Convert text to and from Base64 locally in your browser.

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About this tool

What is Base64 Encoder / Decoder?

Base64 Encoder / Decoder represents text as ASCII-safe Base64 or restores a valid Base64 value to text.

Three simple steps

How to use Base64 Encoder / Decoder

  1. 01

    Paste the text or Base64 value into the input area.

  2. 02

    Select Encode or Decode for the direction you need.

  3. 03

    Run the conversion and copy the output.

Common questions

Base64 Encoder / Decoder FAQ

Does Base64 make data secure?

No. Anyone can decode Base64; use proper encryption when confidentiality matters.

Is Base64 Encoder / Decoder private to use?

Yes. Encoding, decoding and generation happen locally in your browser; Toolnera does not receive the input.