Those functions are fundamentally broken: https://developer.mozilla.org/en-US/docs/Glossary/Base64#javascript_support https://developer.mozilla.org/en-US/docs/G

Those functions are fundamentally broken: https://developer.mozilla.org/en-US/docs/Glossary/Base64#javascript_support https://developer.mozilla.org/en-US/docs/Glossary/Base64#jav... See the whole section on converting arbitrary binary data and the complex ways to do it.