Base64 encoder & decoder
Encode UTF-8 text to Base64 or decode it back.
The current tool handles plain text only; it does not encode or restore files.
0 B / 5.00 MiB
0 B / 5.00 MiB
What is Base64 encoder & decoder?
Base64 represents bytes with printable characters and is common in configuration and data transport. This tool works with UTF-8 text only, does not process files, and should not be mistaken for encryption.
How to use it
- Choose encode or decode.
- Enter UTF-8 text or valid Base64.
- Run, copy, or swap the result.
Capabilities
- Full UTF-8 support
- Encode/decode modes
- Copy and swap
Limits
- 5 MB text maximum
- No file mode
- Base64 is not encryption
Frequently asked questions
Is text uploaded to the server?
No. Inputs, files, and results stay in this browser. ByteCoding receives only content-free operational events.
Is the result saved automatically?
No. Results exist only on the current page until you explicitly copy or download them.
Data & encoding