Base64 Encoder and Decoder
Encode and decode UTF-8 text and files/images to Base64 Data URI instantly and securely.
⚡ 100% Client-Side
v1.0.0
About this Tool
Encode and decode UTF-8 text and files/images to Base64 Data URI instantly and securely.
🛡️ Privacy Guaranteed: This tool runs completely in your browser on the client side. No text or code is transmitted to our servers or stored in any database. Your data stays 100% private on your device.
Usage Tips
Use the quick action buttons to load samples, clear data, or copy results with one click directly to your clipboard.
❓ Perguntas Frequentes
Is Base64 Encoder and Decoder completely free to use? ▾
Yes, Base64 Encoder and Decoder is 100% free with unlimited usage, no signup, and no subscription required.
Are my text, data, or files uploaded to any server? ▾
No! Everything runs entirely client-side inside your browser in a secure isolated sandbox. Your data never leaves your device.
Can I use Base64 Encoder and Decoder offline or on mobile? ▾
Yes! The tool is fully mobile-responsive and PWA compatible. Once cached, it runs seamlessly even without an internet connection.
How can I embed Base64 Encoder and Decoder into my website or blog? ▾
Click the 'Embed' (</>) button at the top of the tool to copy an HTML iframe snippet that works instantly on WordPress, Notion, Webflow, or custom sites.