Base64 Encoder
Encode text or files to Base64 online. Fast, private, browser-based.
How to use Base64 Encoder
- 1Enter text or upload a file.
- 2Click Encode.
- 3Copy the Base64 output.
Frequently asked questions
What is Base64?
Base64 encodes binary data as ASCII text so it can be transmitted over text-only channels like email or JSON.
Is the Base64 Encoder really free?
Yes — every tool on ToolFlexPro is 100% free with no signup, no watermarks and no daily limits.
Is my data safe?
Everything runs directly in your browser. Nothing is uploaded to a server, so your data stays private on your device.
Does it work on mobile?
Yes. ToolFlexPro is fully responsive and works on any phone, tablet or desktop.
Do I need to install anything?
No installs. It runs instantly in any modern browser (Chrome, Safari, Firefox, Edge, Brave).