Small examples
Option A
Base64 is convenient
Option B
Upload is extra work
FAQ Guide
Base64 Data URL or File Upload?
Base64 data URLs are convenient for small inline examples, but normal file uploads are better for larger real files.
Quick comparison
Large files
Option A
Base64 gets bulky
Option B
Upload is better
Best for
Option A
Demos
Option B
Production files
Questions and answers
Why does Base64 increase size?
Encoding adds overhead compared with the original binary file.
When is Base64 useful?
Use it for small examples, data URLs, or transport through text-only systems.
Is Base64 private?
No. It is reversible encoding, not encryption.