Quick guide

1. Type or paste plain text into the left editor and press Encode → to get Base64.
2. Paste Base64 into the right editor and hit ← Decode to restore text.
3. URL-safe buttons switch +// to -/_ and trim trailing =.
4. File → Base64 encodes any local file; Download Decoded saves the right pane back to a file.
5. 📋 and 🗑 copy or clear a pane; use them on both Text and Base64 panels.

FAQ

Is Base64 encryption?
No – it is a reversible encoding, anyone can decode it.

Do large files leave my browser?
Never. Encoding/decoding is 100 % client-side; nothing touches a server.

Need help or have ideas?
Visit our Support Center for assistance or to share suggestions.