Base64 Codec

Encode text to Base64 and decode Base64 strings instantly, with full support for Unicode characters. Free and private.

Text to encode

Base64 Encoder & Decoder Online

Base64 shows up everywhere — API tokens, emails, image data, configuration files. Whether you are encoding a message or decoding a string someone sent you, Base64 Codec handles Unicode correctly and keeps everything in your browser.

How to use

1

Choose Encode or Decode mode

Decide the direction of conversion you need.
2

Enter text or a Base64 string

Paste plain text to encode, or a Base64 string to decode.
3

Copy the result

The output appears instantly and supports Indonesian characters and full Unicode.

Frequently asked questions

Can I decode strings with Indonesian characters or emoji?

Yes. This tool supports full Unicode — accented letters, Indonesian text, and emoji.

Is it safe for tokens or secrets?

Processing happens in your browser. Even so, avoid pasting sensitive secrets into any online tool.

Why does it say the input is invalid?

Usually the Base64 string is incomplete or contains spaces. Double-check your input.

What is Base64 commonly used for?

Sending binary data as text — API tokens, emails, image data, and config files.

Tools you might need

DagetHunter

Encode & decode Dana Kaget links safely before sharing to groups.

Repeater Text

Repeat text N times with a custom separator.

Extract URL

Extract all URLs from text automatically.

Extract Phone Number

Extract Indonesian & international phone numbers.

Replace Text

Find & replace text in bulk, with regex support.

Word Counter

Count words, characters, lines and sentences.