Base64 Tools

Encode and decode Base64 text, and convert files to Base64 data URLs. Everything runs locally.

Text ↔ Base64

Text or Base64 URL-safe Base64 (- and _)

Result

Pick a file to get its Base64 data URL. Large files use a lot of memory; keep files under ~10 MB.

Choose a file Base64 data URL

Files are read in your browser with FileReader and are never uploaded.