Code & Data · Local-first
Base64 Encoder Online
Encode UTF-8 text as Base64.
Open Base64 EncoderFree · No sign-up · Browser-based processing
What Base64 Encoder does
Encode UTF-8 text as Base64 locally in your browser. Base64 is intended for data transport, not secrecy.
Common uses
- Prepare text for JSON or XML transport
- Create encoded configuration values
- Test Base64 round trips with Unicode input
How to use Base64 Encoder
- Paste or type the text to encode.
- Run the encoder to convert UTF-8 bytes to Base64.
- Copy the encoded result into your payload or configuration.
Privacy: Runs locally in your browser. Input is not uploaded to the DevNet Kit server.
Base64 Encoder example
Try the tool with this representative input:
Hello, world 👋Base64 Encoder FAQ
Is Base64 secure?
No. Anyone can decode Base64, so do not use it to protect secrets.
Does it work with emoji?
Yes. Input is encoded to UTF-8 bytes before Base64 conversion.
Does DevNet Kit store the input?
No. The operation runs in the browser and the site does not save the value.