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Base64 encode & decode

Encode or decode Unicode text with Base64.

01

Enter your text

On-device processing
Input · Up to 2 MB
02

Output options

No account. No uploads.

Base64 encode & decode · How to use

Encode or decode Unicode text with Base64.

  1. Enter your text
  2. Set your options
  3. Convert
  4. Inputs and results are not saved automatically. Copy or download the results you need.

Example

Hello → SGVsbG8= · Select decode to recover the original text.

Things to know

Base64 is an encoding, not encryption. Korean text and emoji use UTF-8.

Your files and results are never sent to a server. Everything is processed in this browser.

Save only the tools you need.