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Base64 Encoder/Decoder

Encode text or files to Base64 and decode Base64 strings instantly. All processing in your browser.

FreeNo SignupNo Server UploadsZero Tracking

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text. Drag and drop files for file-to-Base64 conversion.

Auto-detects Base64 input
Input
Output

How to Use Base64 Encoder/Decoder

  1. 1

    Enter your input

    Type or paste text to encode, or paste a Base64 string to decode. You can also drag and drop a file onto the input area.

  2. 2

    Select mode

    The tool auto-detects whether your input is Base64 or plain text. You can manually switch between Encode and Decode modes.

  3. 3

    Copy the result

    Click the Copy Output button to copy the encoded or decoded result to your clipboard.

Frequently Asked Questions

Base64 is a binary-to-text encoding scheme that represents binary data as an ASCII string. It is commonly used to embed binary data in JSON, URLs, email attachments, and data URIs.

Yes. All encoding and decoding happens entirely in your browser. No data is sent to any server.

Yes. Drag and drop any file onto the input area, or click the Choose File button. The file will be converted to its Base64 representation.

Yes. The tool properly handles Unicode characters by using UTF-8 encoding before Base64 conversion.