FAQ
Image to Base64 Free — FAQ
How do I convert an image to Base64 for free?
Go to hugmypdf.com, click Image to Base64 in the Image Tools section, upload your image, and copy the Base64 string. Free, no account, runs in your browser.
What is Base64 image encoding?
Base64 encoding converts binary image data into a text string (data URI) that can be embedded directly in HTML, CSS, or JavaScript without needing a separate image file.
How do I use a Base64 image in HTML?
Use it as the src attribute: 
. Replace {your_base64_string} with the copied value.
. Replace {your_base64_string} with the copied value.Are my images safe when encoding to Base64?
Yes. Encoding runs entirely in your browser using FileReader API. Your image never reaches any server.
What's the maximum image size for Base64 encoding?
HugMyPDF supports images up to 50MB. Note that Base64 strings are ~33% larger than the original binary, so a 1MB image produces a ~1.33MB string.