diff --git a/extension/chrome/elements/backup.htm b/extension/chrome/elements/backup.htm
index 259dd6c6d56..5e7b4006abe 100644
--- a/extension/chrome/elements/backup.htm
+++ b/extension/chrome/elements/backup.htm
@@ -16,7 +16,7 @@
     <div class="line">This backup is protected by your pass phrase. Please make sure
       to note your pass phrase down or you may lose access to your encrypted emails!</div>
     <div class="line">
-      <input class="input_pass_phrase" type="password" id="pass_phrase" placeholder="Enter your pass phrase..." />
+      <input class="input_pass_phrase" type="password" id="pass_phrase" placeholder="Enter your pass phrase..." maxlength="1000" />
       <button class="button green action_test_pass">Test your Passphrase</button>
     </div>
     <div class="line fingerprints hide_if_compact">Key Fingerprint: <span class="fingerprint good"></span></div>
diff --git a/extension/chrome/elements/passphrase.htm b/extension/chrome/elements/passphrase.htm
index 25b455a7924..bf266d80478 100644
--- a/extension/chrome/elements/passphrase.htm
+++ b/extension/chrome/elements/passphrase.htm
@@ -23,7 +23,7 @@ <h1 class="passphrase_text" data-test="passphrase-text"></h1>
     <div class="separator"></div>
     <div class="line which_key" data-test="which-key" style="display: none;"></div>
     <div class="line">
-      <input type="text" placeholder="Enter Pass Phrase" id="passphrase" data-test="input-pass-phrase">
+      <input type="text" placeholder="Enter Pass Phrase" id="passphrase" data-test="input-pass-phrase" maxlength="1000">
     </div>
     <div class="line">
       <button class="button long green action_ok" data-test="action-confirm-pass-phrase-entry">OK</button>
diff --git a/extension/chrome/settings/modules/add_key.htm b/extension/chrome/settings/modules/add_key.htm
index 5f647067f3f..a21b9e03a4d 100644
--- a/extension/chrome/settings/modules/add_key.htm
+++ b/extension/chrome/settings/modules/add_key.htm
@@ -60,7 +60,7 @@ <h1>Add Private Key <span id="spinner_container"></span></h1>
           .
         </div>
         <div class="line">
-          <input id="input_passphrase" class="input_passphrase" type="text" placeholder="Private Key Passphrase" />
+          <input id="input_passphrase" class="input_passphrase" type="text" placeholder="Private Key Passphrase" maxlength="1000" />
         </div>
         <div class="line">
           <label class="input_passphrase_save_label hidden" data-test="input-save-passphrase-label">
diff --git a/extension/chrome/settings/modules/change_passphrase.htm b/extension/chrome/settings/modules/change_passphrase.htm
index d6d112619cb..5b9311cf8d6 100644
--- a/extension/chrome/settings/modules/change_passphrase.htm
+++ b/extension/chrome/settings/modules/change_passphrase.htm
@@ -21,7 +21,7 @@
     <div id="step_0_enter_current" class="display_none">
       <div class="line sentence">Enter your current pass phrase</div>
       <div class="line">
-        <input id="current_pass_phrase" type="text" placeholder="Current pass phrase" data-test="input-current-pp" />
+        <input id="current_pass_phrase" type="text" placeholder="Current pass phrase" data-test="input-current-pp" maxlength="1000" />
       </div>
       <div class="line">
         <button class="button long green action_test_current_passphrase" data-test="action-confirm-current-pp">continue
@@ -33,7 +33,7 @@
       <div class="line ">See <a href="#" data-swal-page="/chrome/texts/passphrase_help.htm">choosing secure pass
           phrases</a>.</div>
       <div class="line">
-        <input id="new_pass_phrase" type="text" placeholder="Enter a new pass phrase" data-test="input-new-pp" />
+        <input id="new_pass_phrase" type="text" placeholder="Enter a new pass phrase" data-test="input-new-pp" maxlength="1000" />
       </div>
       <div class="line">
         <button class="button long gray action_set_pass_phrase" data-test="action-show-confirm-new-pp">SET PASS PHRASE
@@ -45,7 +45,7 @@
     <div id="step_2_confirm_new" class="display_none">
       <div class="line">Please repeat it one more time. Make sure to note the pass phrase down.</div>
       <div class="line">
-        <input id="new_pass_phrase_confirm" type="text" placeholder="Repeat pass phrase" data-test="input-confirm-new-pp" />
+        <input id="new_pass_phrase_confirm" type="text" placeholder="Repeat pass phrase" data-test="input-confirm-new-pp" maxlength="1000" />
       </div>
       <div class="line">
         <button class="button long green action_change" data-test="action-confirm-new-pp">CONFIRM PASS PHRASE</button>
diff --git a/extension/chrome/settings/modules/compatibility.htm b/extension/chrome/settings/modules/compatibility.htm
index c7407e780ad..ea6613e8a03 100644
--- a/extension/chrome/settings/modules/compatibility.htm
+++ b/extension/chrome/settings/modules/compatibility.htm
@@ -24,7 +24,7 @@ <h1>OpenPGP key compatibility test</h1>
     </div>
 
     <div class="line left">
-      <input id="input_passphrase" class="input_passphrase" type="password" placeholder="Private Key Passphrase" style="height: 37px !important;" />
+      <input id="input_passphrase" class="input_passphrase" type="password" placeholder="Private Key Passphrase" style="height: 37px !important;" maxlength="1000" />
       <button class="button green large action_test_key" style="float: right;">test compatibility</button>
     </div>
 
diff --git a/extension/chrome/settings/modules/help.htm b/extension/chrome/settings/modules/help.htm
index 39272cf47c0..c716b79913f 100644
--- a/extension/chrome/settings/modules/help.htm
+++ b/extension/chrome/settings/modules/help.htm
@@ -22,7 +22,7 @@ <h2>Send message to FlowCrypt developers</h2>
     </div>
     <br>
     <div class="line">
-      <textarea id="input_text" placeholder="" data-test="input-feedback-message"></textarea>
+      <textarea id="input_text" placeholder="" data-test="input-feedback-message" maxlength="100000"></textarea>
     </div>
     <div class="line">
       <input type="email" id="input_email" placeholder="Your email address" style="width: 316px; margin-right: 20px;" />
diff --git a/extension/chrome/settings/modules/my_key.htm b/extension/chrome/settings/modules/my_key.htm
index 164d1e1d75b..f3a25c3b849 100644
--- a/extension/chrome/settings/modules/my_key.htm
+++ b/extension/chrome/settings/modules/my_key.htm
@@ -40,7 +40,7 @@
         class="action_download_revocation_cert display_none" data-test="action-revoke-certificate">revocation certificate</a>
     </div>
     <div class="line enter_pp" style="display: none;">
-      <input id="input_passphrase" type="text" placeholder="Enter your pass phrase" />
+      <input id="input_passphrase" type="text" placeholder="Enter your pass phrase" maxlength="1000" />
     </div>
     <div class="line enter_pp" style="display: none;">
       <button class="button green action_continue_download">download</button>
diff --git a/extension/chrome/settings/modules/my_key_update.htm b/extension/chrome/settings/modules/my_key_update.htm
index 520fb557855..2b078b414bc 100644
--- a/extension/chrome/settings/modules/my_key_update.htm
+++ b/extension/chrome/settings/modules/my_key_update.htm
@@ -28,7 +28,7 @@
     </div>
     <div class="line">
       <input class="input_passphrase" type="password" data-test="input-passphrase"
-        placeholder="Private Key Passphrase" />
+        placeholder="Private Key Passphrase" maxlength="1000"/>
     </div>
     <div class="line"><span class="button green long action_update_private_key" data-test="action-update-key">update
         private key</span></div>
diff --git a/extension/chrome/settings/modules/security.htm b/extension/chrome/settings/modules/security.htm
index c85375a1870..f0c3873b7f1 100644
--- a/extension/chrome/settings/modules/security.htm
+++ b/extension/chrome/settings/modules/security.htm
@@ -41,7 +41,7 @@ <h3>Private key pass phrase</h3>
       </div>
       <div class="line passphrase_entry_container" style="display: none;">
         <input type="text" id="passphrase_entry" placeholder="Enter pass phrase to confirm"
-          data-test="input-confirm-pass-phrase" />
+          data-test="input-confirm-pass-phrase" maxlength="1000" />
       </div>
       <div class="line passphrase_entry_container" style="display: none;">
         <button class="button green confirm_passphrase_requirement_change"
diff --git a/extension/chrome/settings/modules/test_passphrase.htm b/extension/chrome/settings/modules/test_passphrase.htm
index 936c47e0a07..0723dca8065 100644
--- a/extension/chrome/settings/modules/test_passphrase.htm
+++ b/extension/chrome/settings/modules/test_passphrase.htm
@@ -22,7 +22,7 @@
     <div class="line">We <b class="red">STRONGLY</b> encourage you to check that you remember your passphrase
       correctly.</div>
     <div class="line">
-      <input id="password" type="text" placeholder="Your pass phrase" data-test="input-test-passphrase" />
+      <input id="password" type="text" placeholder="Your pass phrase" data-test="input-test-passphrase" maxlength="1000" />
     </div>
     <div class="line">
       <button class="button green long action_verify" data-test="action-test-passphrase">VERIFY</button>
diff --git a/extension/chrome/settings/setup.htm b/extension/chrome/settings/setup.htm
index 70661535cd8..2487ea85f13 100644
--- a/extension/chrome/settings/setup.htm
+++ b/extension/chrome/settings/setup.htm
@@ -110,10 +110,10 @@ <h1>Set Up FlowCrypt</h1>
           data-swal-page="/chrome/texts/passphrase_help.htm">choosing
           secure pass phrases</a></div>
       <div class="line left">
-        <input class="input_password" type="text" placeholder="Pass phrase" style="margin-bottom: 0;" id="step_2a_manual_create_input_password" data-test="input-step2bmanualcreate-passphrase-1" />
+        <input class="input_password" type="text" placeholder="Pass phrase" style="margin-bottom: 0;" id="step_2a_manual_create_input_password" data-test="input-step2bmanualcreate-passphrase-1" maxlength="1000" />
       </div>
       <div class="line left">
-        <input class="input_password2" type="text" placeholder="Repeat pass phrase" id="step_2a_manual_create_input_password2" data-test="input-step2bmanualcreate-passphrase-2" />
+        <input class="input_password2" type="text" placeholder="Repeat pass phrase" id="step_2a_manual_create_input_password2" data-test="input-step2bmanualcreate-passphrase-2" maxlength="1000" />
       </div>
 
       <div class="line left">
@@ -195,7 +195,7 @@ <h1>Set Up FlowCrypt</h1>
               a random one</a>.
           </div>
           <div class="line left">
-            <input class="input_passphrase" type="text" placeholder="Private Key Passphrase" id="step_2b_manual_enter_passphrase" data-test="input-step2bmanualenter-passphrase" />
+            <input class="input_passphrase" type="text" placeholder="Private Key Passphrase" id="step_2b_manual_enter_passphrase" data-test="input-step2bmanualenter-passphrase" maxlength="1000" />
           </div>
           <div class="line left">
             <label class="input_passphrase_save_label hidden" data-test="input-step2bmanualenter-save-passphrase-label">
@@ -231,10 +231,10 @@ <h1>Set Up FlowCrypt</h1>
           data-swal-page="/chrome/texts/passphrase_help.htm">choosing
           secure pass phrases</a></div>
       <div class="line">
-        <input class="input_password" type="text" placeholder="Pass phrase" id="step_2_ekm_input_password" data-test="input-step2ekm-passphrase-1" />
+        <input class="input_password" type="text" placeholder="Pass phrase" id="step_2_ekm_input_password" data-test="input-step2ekm-passphrase-1" maxlength="1000" />
       </div>
       <div class="line">
-        <input class="input_password2" type="text" placeholder="Repeat pass phrase" data-test="input-step2ekm-passphrase-2" id="step_2_ekm_input_password2" />
+        <input class="input_password2" type="text" placeholder="Repeat pass phrase" data-test="input-step2ekm-passphrase-2" id="step_2_ekm_input_password2" maxlength="1000" />
       </div>
 
       <div class="line">
@@ -254,7 +254,7 @@ <h1>Set Up FlowCrypt</h1>
       <div class="line recovery_status">Found <span class="backups_count_words"></span> of your account key. Enter your
         pass phrase to continue.</div>
       <div class="wide line recovery_passphrase_container">
-        <input type="text" id="recovery_password" placeholder="Enter your pass phrase" data-test="input-recovery-pass-phrase" />
+        <input type="text" id="recovery_password" placeholder="Enter your pass phrase" data-test="input-recovery-pass-phrase" maxlength="1000" />
       </div>
       <div class="wide line">
         <button class="button green longer action_recover_account" data-test="action-recover-account">RECOVER ACCOUNT</button>