Encoder•Client-Side Processing
Base64 Encoder / Decoder
Encode and decode text and binary data into Base64 format with live preview and URL-safe mode.
Developer workbench
⌘ / Ctrl + Enter to runConfigure. Run. Inspect.
Runs locally. Inputs and results are not automatically saved.
16 input bytes
Output
How to Use Base64 Encoder / Decoder
01
Enter plain text to encode into Base64, or enter Base64 to decode.
02
Switch between 'Encode' and 'Decode' modes.
03
Copy your result instantly.
Frequently Asked Questions
Does this support UTF-8 special characters?
Yes, full UTF-8 emojis, accented letters, and multi-byte characters are encoded correctly.
Related Developer Tools
Explore more free client-side developer utilities in this category