Base64 Encode & Decode

Convert text to Base64 or decoded

Text to Encode

Tip: The selected type is used for both encoding and decoding.
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Encoded text to Decode

Base64 Encode and Decode Text

Encode text to Base64 or decode Base64 back to readable text instantly. Base64 encoding converts data into a safe ASCII format commonly used in APIs, emails, configuration files, and data transmission. All processing happens directly in your browser for speed and privacy.

What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents data using 64 printable ASCII characters: A–Z, a–z, 0–9, +, /, with optional padding using =. It allows binary or special characters to be safely transmitted through text-only systems.

How does Base64 encoding & decoding work?

When encoding, text is converted into binary data and mapped to Base64 characters. When decoding, the Base64 string is translated back into its original readable form. The process is fully reversible and does not provide encryption.

Diagram showing Base64 encoding and decoding process
Plain text β†’ Base64 encoded string β†’ decoded back to original text

How to use this Base64 tool

This tool lets you quickly encode plain text into Base64 or decode Base64 back into readable text using your selected character encoding.

How to encode and decode Base64 text using the online tool
Paste text, choose Encode or Decode, and copy the result instantly
  1. Paste your plain text or Base64 string into the input field.
  2. Choose either Text to Encode or Encoded text to Decode.
  3. Choose the correct character encoding (UTF-8 recommended).
  4. The processed result appears immediately.
  5. Copy the output as needed.

πŸ”’ Privacy: All encoding and decoding happens locally in your browser. No data is uploaded or stored.

Why use this Base64 tool?

Base64 encoding is essential when working with text-only systems that need to handle binary or special characters. This tool provides fast, client-side conversion without any limits or data exposure.

  • Instant results: Encode or decode large text instantly.
  • 100% private: Runs entirely in your browser.
  • Developer-friendly: Ideal for APIs, tokens, headers, and config files.

Tips for best results

Follow these tips to avoid encoding or decoding issues:

  • Use UTF-8 encoding to support emojis and non-English characters.
  • Remove extra spaces or line breaks when decoding Base64.
  • Remember: Base64 is encoding, not encryption.
  • For files or images, ensure the tool supports file input.

Frequently Asked Questions

Is Base64 encoding secure?

No. Base64 is not encryption. It only transforms data into a readable text format. Anyone can decode it. Use encryption algorithms for sensitive data.

Can I encode any text?

Yes. You can encode plain text, JSON, tokens, or configuration data. UTF-8 is recommended for best compatibility.

Does this tool work offline?

Once loaded, the tool runs entirely in your browser and does not require an internet connection.

Can I encode files or images?

This version is designed for text. Use a file-based Base64 tool if you need to encode binary files or images.

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