Encode text to Base64 or decode Base64 to text online. Essential for APIs, data URIs, and email encoding.
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Navigate to the Base64 Encoder/Decoder on UtilsNow. Encode or decode Base64 strings instantly.
Select Encode to convert text to Base64, or Decode to convert Base64 back to readable text.
For encoding: paste the text or data you want to encode. For decoding: paste the Base64 string.
The tool instantly processes your input and shows the encoded or decoded output in the result area.
Copy the Base64 encoded string for use in APIs, data URIs, email headers, or other applications.
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Open Base64 Encoder/DecoderBase64 is a binary-to-text encoding scheme that represents binary data using 64 ASCII characters (A-Z, a-z, 0-9, +, /). It is commonly used to embed data in text-based formats.
Base64 is used to safely transmit binary data through text-based protocols like email (MIME), JSON APIs, data URIs in HTML/CSS, and Basic HTTP authentication.
Yes, Base64 encoding increases the data size by approximately 33%. A 1KB file becomes about 1.33KB when Base64 encoded.