diff --git a/scripts/aes.js b/scripts/aes.js
index f522460..bae7114 100644
--- a/scripts/aes.js
+++ b/scripts/aes.js
@@ -16,9 +16,13 @@ let tabs = new TabList({});
 
 let encForm = tabs.createForm({label: "Encryption"});
 
-let encMsg = encForm.createTextArea({label: "Message"});
+let encMsg = encForm.createTextArea({
+	label: "Message",
+	placeholder: "Type a secret message",
+});
 let encPass = encForm.createPasswordInput({
 	label: "Password",
+	placeholder: "Enter your password",
 	enabledFunc: function() {return !encManualKey.value}
 });
 let encPbkdf2Iters = encForm.createNumberInput({
@@ -122,10 +126,12 @@ let decForm = tabs.createForm({label: "Decryption"});
 
 let decMsg = decForm.createTextArea({
 	label: "Encrypted message",
+	placeholder: "Paste the encrypted output",
 	dataType: "json-b64",
 });
 let decPass = decForm.createPasswordInput({
 	label: "Password",
+	placeholder: "Enter your password",
 	enabledFunc: function() {return !decManualKey.value}
 });
 let decKey = decForm.createMediumTextBox({
diff --git a/scripts/interface.js b/scripts/interface.js
index f47a0b3..396c1d7 100644
--- a/scripts/interface.js
+++ b/scripts/interface.js
@@ -302,7 +302,7 @@ function bufToB64 (buf) {
 
 class FormElement extends InterfaceElement {
 	constructor({tag, fragment, advanced=false, form,
-		value, dataType,
+		value, dataType, placeholder,
 		labelTag, label="",
 		enabled=true, enabledFunc,
 		visibleFunc
@@ -349,6 +349,7 @@ class FormElement extends InterfaceElement {
 		this.advanced = advanced;
 
 		if (value !== undefined) this.value = value;
+		if (placeholder !== undefined) this.handle.placeholder = placeholder;
 	}
 
 	get value() {