Base64 Encoder / Decoder
Convert text or files to and from Base64, entirely in your browser. Nothing is uploaded.
The file is read locally and converted in your browser.
Frequently asked questions
Are my files uploaded anywhere?
No. Files are read with the FileReader API in your browser and never leave your device.
What is Base64 used for?
Base64 encodes binary data as plain text — commonly used for embedding images in code, API payloads, and data URLs.