Free, runs entirely in your browser — no sign-up, no file upload to a server.
What does Base64 Encoder do?
It encodes text to Base64 or decodes a Base64 string back to plain text.
How do I use it?
Paste your input and switch between Encode and Decode mode — the result updates instantly.
Is my input sent anywhere?
Everything runs in your browser — nothing you type or paste is sent to a server.
How do I report a problem or request a feature for this tool?
Use the Contact / Feedback page — select "Base64 Encoder" as the related tool so we know exactly which tool you mean, then describe the bug or the feature you'd like to see.