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Base64 Encoder/Decoder

Encode or decode text to/from Base64 with shared text controls

What this tool does

Base64 Encoder/Decoder helps you encode or decode text to/from Base64 with shared text controls.

What you get

Base64 Encoder/Decoder produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.

Free to use, no watermarks, runs in your browser—nothing uploads to our servers

Input text

Sample inputs

Loaded sample: Simple text

17 characters

Options

Mode

Binary mode

Base64 output

Base64 output will appear here.

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.