ToolBoxImage to Base64
Convert a picture to a Base64 text string for code and CSS.
Free · No signup · Files stay on your device
or drop a file here
How to use Image to Base64
- 1Click the Select button and choose your file, or drag and drop.
- 2Press the Image to Base64 button.
- 3Download your result.
Your files stay private
Your file is processed on your own device. It is never uploaded to our servers.
Frequently asked questions
Is Image to Base64 free?
Yes. ToolBox is 100% free. No signup, no watermark, no daily limit.
Are my files uploaded to a server?
No. All work happens inside your browser on your own device. Your files never leave your phone or computer.
Does it work on mobile?
Yes, on Android, iPhone, tablets and desktop. Very large files can be slow on older phones.
What are the limits of Image to Base64?
Base64 text is about one third larger than the picture itself.
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