What is Base64 Encoder?
Base64 represents bytes using 64 printable ASCII characters, so binary or Unicode data can travel through systems that expect plain text. DevKitly first converts your text to UTF-8 bytes, which avoids the errors the browser's btoa() throws on non-Latin characters.
How to use Base64 Encoder
- Paste your input into the editor above, or select Sample to load an example.
- Select Encode Base64. If the input cannot be processed, a message explains what to fix.
- Use Copy or Download to take the result with you, and Clear to start again.
Example
Input
Hello, DevKitly!Output
SGVsbG8sIERldktpdGx5IQ==Practical use cases
- Prepare Basic Auth fragments
- Embed small text values
- Inspect encoded payloads
Common problems
- Treating Base64 as encryption
- Using a Latin-1-only encoder
- Encoding secrets into public URLs
Frequently asked questions
Is Base64 encryption?
No. Anyone can decode Base64. Use it for transport and embedding, never to protect secrets.
Is Base64 Encoder free to use?
Yes. Base64 Encoder is free and does not require an account.
Does my input leave the browser?
No. This tool performs its processing locally in your browser and does not need to upload your input.