Base64 encode & decode
Encode UTF-8 text as Base64 or decode it back to readable text.
Base64 Encoder and Decoder / Local
ENCODE TEXT.
DECODE IT ANYTIME.
Encode UTF-8 text as Base64 or decode it back to readable text.Your input never leaves this browser.
Start03 — BASE64 TRANSFORM
BASE64 ENCODER / DECODER
Input is processed instantly in this browser and is never uploaded.
Your input never leaves this browser.
Input is processed instantly in this browser and is never uploaded.
Local only
Base64 is easy to reverse and must not be used to protect passwords or secrets.
Tool guide / ONLY MY KIT
Encode UTF-8 text as Base64
Convert multilingual text into Base64 without external APIs or uploads.
What you can do
- Base64 represents bytes as text and is not encryption.
- Use Encode for text transport formats, never to protect passwords or secrets.
- The source stays unchanged and the result is created as a new file.
How to use it
- Paste the UTF-8 text to encode.
- Run Base64 encoding.
- Review the generated Base64 string and the safety note.
- Copy the result for the system that requires it.
FAQ
Frequently asked questions
When should I use this tool?
Use Encode for text transport formats, never to protect passwords or secrets.
Is the source sent to a processing server?
No. Supported conversion for this tool runs in the current browser.