Text ⇔ Base64
Paste text or Base64, pick a direction. Whitespace in Base64 is ignored.
File → Data URI
Any local file becomes a data: URI. Nothing is uploaded.
Text ⇔ Base64, URL-safe alphabet, file → data URI — fully offline.
Paste text or Base64, pick a direction. Whitespace in Base64 is ignored.
Any local file becomes a data: URI. Nothing is uploaded.