diff --git a/src/web/binaryUpload.coffee b/src/web/binaryUpload.coffee
index 158fc04..60c9a61 100644
--- a/src/web/binaryUpload.coffee
+++ b/src/web/binaryUpload.coffee
@@ -7,7 +7,7 @@ import * as crypto from "../crypto"
 import * as util from "../util"
 
 export default BinaryUpload = ->
-  [encrypt, toggleEncrypt] = hooks.useToggle false
+  [encrypt, toggleEncrypt] = hooks.useToggle true
   [encrypting, setEncrypting] = useState false
   [file, setFile] = useState null
 
diff --git a/src/web/helpButton.coffee b/src/web/helpButton.coffee
index 5609733..5417537 100644
--- a/src/web/helpButton.coffee
+++ b/src/web/helpButton.coffee
@@ -28,7 +28,8 @@ export default HelpButton = ->
           so that they will <strong>not</strong> be sent to the server as part of the URL when you access the file later from your browser.
         </p>
         <p>
-          The decryption will also be done entirely in your browser. Therefore, it is not supported to access encrypted files outside of a modern browser.
+          The decryption will also be done entirely in your browser. Therefore, it is not supported to access encrypted files outside of a modern browser.&nbsp;
+          If you plan to download the shared file from outside the browser (e.g. command line) or on a low-performance device, use <strong>"Encryption: OFF"</strong>.
         </p>
       </React.Fragment>
   showHelp = useCallback showHelp, [openDialog]