Base64 Encoder

Paste a URL or choose a file from your computer, then press Encode:

...or upload a file

Base64 Decoder

You can also decode base64 strings using the form below, paste your base64 string and press Decode to recover the original decoded content:

Base64 Encoder is a free online tool to convert any file (images, favicons, webfonts, sounds…) or text/string into a Base64 encoded string that you can then embed into your HTML, CSS or JS file and avoid an extra HTTP request to the server hence increasing the loading speed of your site, or it can also be great for offline caching, or even to avoid bots from reading the contents (i.e. email addresses).

This Base64 Encoder/Decoder free simple online tool works very fast and is very easy to use. There is no need to download or install any software in your computer since everything is done online through this website. To convert a file to a base64 string, simply select a file from your computer or paste a URL and press the Encode button. Convenient options such as the HTML favicon code, CSS code for sprite images, CSS code for web fonts via @font-face, image HTML code, javascript HTML code and CSS file HTML code are ready to copy-paste and save time while developing your projects. You can also use the Decoder tool, simply paste a base64 string and it will decode it to the original file.

The current maximum file size the tool accepts is 505 KB, if you need more get in touch. Your information is completely safe since submitted files are processed on the fly in a private server and destroyed afterwards, nothing is stored or tracked on the server nor read by a human.