Base64 Encode / Decode

Encode or decode Base64 instantly. Convert any file to Base64, decode Base64 back to text or files, toggle URL-safe output, and preview Base64 images right away. Free and 100% private.

How to use the Base64 Encode / Decode

  1. 1

    Choose Encode or Decode.

  2. 2

    Type/paste text, or click File → Base64 to encode a file.

  3. 3

    Toggle URL-safe if you need Base64URL output.

  4. 4

    Copy the result — decoded images preview instantly and can be saved.

Frequently asked questions

Can I convert a file to Base64?

Yes — click 'File → Base64' and pick any file; images also preview.

What is URL-safe Base64?

It swaps + and / for - and _ and drops padding, so the string is safe in URLs and filenames.

Is it private?

Completely — encoding and decoding run in your browser; nothing is uploaded.

Tips & discussion

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