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Base64 Encoder/Decoder

Encode or decode text to/from Base64 instantly.

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What Is Base64 Encoder/Decoder?

The Base64 Encoder and Decoder converts text and files to Base64 strings and back. It is used to embed images in HTML, encode data for email attachments, and prepare payloads for HTTP Basic Authentication.

Who Uses the Base64 Encoder/Decoder?

Developers use it to encode API credentials, embed binary data in JSON, and transfer files through text-only channels.

How to Use the Base64 Encoder/Decoder

  1. Paste the text or upload the file you want to encode.
  2. Choose encode or decode mode.
  3. Copy the resulting Base64 string or decoded output.

Why Choose Our Base64 Encoder/Decoder?

  • Encodes and decodes Base64 for text and files
  • Handles large payloads without performance issues
  • Supports UTF-8 and binary file content

Try the Base64 Encoder/Decoder above — it is free, fast, and works on any device. Bookmark this page to return whenever you need it.