<CarlosDev/>

ToolStable

Base64 Encoder

Encode and decode UTF-8 text as Base64 entirely in the browser, with strict invalid-input feedback.

Published

Workbench

Runs in your browserno requests

JavaScript is required to run this local tool. Your input is not submitted anywhere.

Accepts

  • UTF-8 text
  • Base64 text

Returns

  • Base64 text
  • decoded UTF-8 text

This small codec keeps Unicode boundaries explicit with TextEncoder and TextDecoder. It rejects malformed Base64 rather than returning ambiguous output.

Filed under

Evidence register

1
  • The implementation uses browser UTF-8 and Base64 primitives without network access.

    Site sourceFirst-partySource

External references