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Base64 Encoder/Decoder

Instantly encode text into Base64 format or decode a Base64 string back to text.

About Base64 Encoder/Decoder

Dealing with data encodings? The Free Base64 Encoder Decoder makes it simple. Widely used as the Best Base64 Encoder Decoder, it's a fast base64 converter online that works entirely offline, protecting your sensitive strings.

Features

  • Two-way conversion: Encode to Base64 and Decode to Text
  • Full UTF-8 support for emojis and foreign characters
  • URL-safe Base64 formatting options
  • Instant client-side execution
  • One-click copy and clear

How to Use

  1. Select whether you want to Encode or Decode.
  2. Paste your text or Base64 string into the input box.
  3. The result will be generated instantly.
  4. Click "Copy" to save your result.

Frequently Asked Questions

What is Base64 used for?

Base64 is a way to represent binary data using printable text characters. It is commonly used in email attachments, data URIs, and basic API authentication.

Is Base64 an encryption method?

No! Base64 is merely an encoding format, not encryption. Anyone can easily decode it. Do not use it to secure passwords.

Does it support Emojis?

Yes, our tool uses proper UTF-8 encoding, which safely handles emojis and special symbols before converting to Base64.

Is there a size limit?

It is limited only by your browser's memory. For multi-megabyte strings, it might take a brief moment to process.

Can it encode images to Base64?

This specific tool is designed for text strings. For images, please use our Universal Image Converter.

Does it handle UTF-8 characters?

Yes, it properly encodes and decodes Unicode and special characters.

Is Base64 encryption?

No, Base64 is an encoding scheme, not encryption. It does not secure your data.

Is this a free base64 encoder decoder?

Yes, it is a fully free base64 encoder decoder tool.

Is the best base64 encoder decoder secure?

Yes, since it operates as a client-side base64 converter online, your data is never uploaded.

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