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Base64 Encoder / Decoder

Encode plain text to Base64 format or decode Base64 strings safely inside your browser.

About Base64 Encoder / Decoder

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. Toolerk allows you to encode and decode Base64 data with full Unicode (UTF-8) support, ensuring accented characters, emojis, and symbols translate properly.

How to Use Base64 Encoder / Decoder

  1. 1Select whether you want to "Encode" or "Decode".
  2. 2Enter your input string into the input field.
  3. 3View the converted Base64 or plain text output automatically generated below.
  4. 4Click the copy button to grab the result.

When to Use This Tool

  • •Encoding binary tokens, basic authentication headers, or API secrets.
  • •Embedding inline SVG or small image data directly in HTML or CSS.
  • •Decoding obfuscated parameters in web requests or logs.
  • •Data serialization for transfer across text-only protocols.

What to Expect from the Result

Accurate Base64 encoded or decoded text conforming to RFC 4648 standards with full UTF-8 character preservation.
Your Privacy is Guaranteed (100% Client-Side)

All Base64 encoding and decoding operations take place on your local CPU. Credentials, authorization headers, or sensitive text are never transmitted over the internet.

Frequently Asked Questions

Does Base64 encrypt my text?

No, Base64 is an encoding scheme, not encryption. Anyone can decode a Base64 string back to its original form.

Does this tool support emojis and non-ASCII characters?

Yes, our implementation uses UTF-8 byte serialization to handle all Unicode symbols, characters, and emojis cleanly.

Is there a character limit?

Because processing happens on your local device, you can encode and decode very large strings without server size restrictions.

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