Base64 Encoder
Encode text to Base64 (UTF-8) in your browser.
Useful for data URIs and transport-safe text. Nothing is uploaded.
What is Base64 encoding?
Base64 represents binary or text using a safe ASCII alphabet.
How to encode Base64
- 1
Enter text
Paste the UTF-8 text to encode.
- 2
Encode
Bytes are Base64-encoded in your browser.
- 3
Copy output
Copy the Base64 string for APIs or data URLs.
Base64 Encoder FAQ
Binary files?
This page encodes text. For files, convert to text/data-URL workflows carefully.
URL-safe Base64?
Output is standard Base64; swap +/ and padding yourself if a API requires URL-safe form.
Uploaded?
No.
Related tools?
Base64 Decoder; URL Encoder.