Free Developer Tool
Base64 Encoder & Decoder
Encode and decode Base64 instantly in your browser.
What is Base64 Encoder & Decoder?
Base64 encoding converts text or binary data into ASCII strings for safer transport across systems and APIs.
How to use
- Paste text into the input field.
- Choose encode or decode.
- Copy the result instantly.
Features
- Encode Base64 strings
- Decode Base64 instantly
- Fast browser processing
- No server requests
- Works offline
Example
Input
Hello world
Output
SGVsbG8gd29ybGQ=
FAQ
Is Base64 encoding secure?
No. Base64 is encoding, not encryption.
Does this tool store data?
No. Everything happens locally in your browser.
Can I decode Base64 safely?
Yes. Decoding is fully client-side.