Security

Base64 Encode & Decode — Free Online Base64 Converter

Encode or decode text with Base64.

Local Processing What you type (or the file you choose) stays on your device — it is processed in this browser and never sent to Fah Swe servers.

What is Base64 Encode/Decode?

Base64 Encode/Decode is a free online tool that converts text to Base64 and Base64 back to readable text. A quick utility for developers working with APIs, emails, tokens and config files.

Encode or decode text with Base64 online. Quick developer utility — free Base64 encoder/decoder on Fah Swe Tools.

Key features

  • Encode text to Base64
  • Decode Base64 to text
  • UTF-8 safe
  • Instant and private

Common uses

  • Decode Base64 strings in API responses
  • Encode credentials for Basic auth headers
  • Inspect email and config values

Also known as: Base64 Decoder, Base64 Encoder, Base64 Converter.

How it works

  1. Paste text.
  2. Choose encode or decode.
  3. Copy result.

FAQ

Binary?

For images use the Image Base64 tool.

Is Base64 encryption?

No. Base64 is encoding — anyone can decode it. Never use it to hide secrets.

Why does Base64 end with = signs?

The = characters are padding that keep the output length a multiple of four.

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