diff --git a/frontend/src/components/SchedulePage.jsx b/frontend/src/components/SchedulePage.jsx
index d000507..eabacc9 100644
--- a/frontend/src/components/SchedulePage.jsx
+++ b/frontend/src/components/SchedulePage.jsx
@@ -663,11 +663,14 @@ function EventForm({ event, userGroups, eventTypes, selectedDate, onSave, onCanc
   return (
     <>
     <div style={{width:'100%',maxWidth:1024,overflowX:'auto'}}>
-      <div style={{minWidth:500}} onKeyDown={e=>{if(e.key==='Enter'&&e.target.tagName!=='TEXTAREA') e.preventDefault();}}>
-        {/* Title */}
-        <div style={{marginBottom:20}}>
-          <input className="input" placeholder="Add title" value={title} onChange={e => setTitle(e.target.value)} autoComplete="off" autoCorrect="off" autoCapitalize="sentences" style={{fontSize:20,fontWeight:700,border:'none',borderBottom:'2px solid var(--border)',borderRadius:0,padding:'4px 0',background:'transparent',width:'100%'}}/>
-        </div>
+      {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+          on individual inputs is ignored by Chrome but respected on the form element */}
+      <form autoComplete="off" onSubmit={e => e.preventDefault()}>
+        <div style={{minWidth:500}} onKeyDown={e=>{if(e.key==='Enter'&&e.target.tagName!=='TEXTAREA') e.preventDefault();}}>
+          {/* Title */}
+          <div style={{marginBottom:20}}>
+            <input className="input" placeholder="Add title" value={title} onChange={e => setTitle(e.target.value)} autoComplete="off" autoCorrect="off" autoCapitalize="sentences" style={{fontSize:20,fontWeight:700,border:'none',borderBottom:'2px solid var(--border)',borderRadius:0,padding:'4px 0',background:'transparent',width:'100%'}}/>
+          </div>
 
         {/* Event Type */}
         <FormRow label="Event Type">
@@ -766,6 +769,7 @@ function EventForm({ event, userGroups, eventTypes, selectedDate, onSave, onCanc
           {event&&(isToolManager||(userId&&event.created_by===userId))&&<button className="btn btn-sm" style={{marginLeft:'auto',background:'var(--error)',color:'white'}} onClick={()=>onDelete(event)}>Delete</button>}
         </div>
       </div>
+      </form>
     </div>
     {showScopeModal&&<RecurringChoiceModal title="Edit recurring event" onConfirm={doSave} onCancel={()=>setShowScopeModal(false)}/>}
     </>
diff --git a/frontend/src/components/UserManagerModal.jsx b/frontend/src/components/UserManagerModal.jsx
index 7202e82..60f261f 100644
--- a/frontend/src/components/UserManagerModal.jsx
+++ b/frontend/src/components/UserManagerModal.jsx
@@ -290,12 +290,15 @@ export default function UserManagerModal({ onClose }) {
   return (
     <div className="modal-overlay" onClick={e => e.target === e.currentTarget && onClose()}>
       <div className="modal" style={{ maxWidth: 600, width: '100%' }}>
-        <div className="flex items-center justify-between" style={{ marginBottom: 20 }}>
-          <h2 className="modal-title" style={{ margin: 0 }}>User Manager</h2>
-          <button className="btn-icon" onClick={onClose}>
-            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
-          </button>
-        </div>
+        {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+            on individual inputs is ignored by Chrome but respected on the form element */}
+        <form autoComplete="off" onSubmit={e => e.preventDefault()}>
+          <div className="flex items-center justify-between" style={{ marginBottom: 20 }}>
+            <h2 className="modal-title" style={{ margin: 0 }}>User Manager</h2>
+            <button className="btn-icon" onClick={onClose}>
+              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
+            </button>
+          </div>
 
         <div className="flex gap-2" style={{ marginBottom: 20 }}>
           <button className={`btn btn-sm ${tab === 'users' ? 'btn-primary' : 'btn-secondary'}`} onClick={() => setTab('users')}>All Users ({users.length})</button>
@@ -421,6 +424,7 @@ export default function UserManagerModal({ onClose }) {
             )}
           </div>
         )}
+        </form>
       </div>
     </div>
   );
diff --git a/frontend/src/pages/GroupManagerPage.jsx b/frontend/src/pages/GroupManagerPage.jsx
index 5e14088..c57fa2e 100644
--- a/frontend/src/pages/GroupManagerPage.jsx
+++ b/frontend/src/pages/GroupManagerPage.jsx
@@ -741,12 +741,16 @@ export default function GroupManagerPage({ isMobile = false, onProfile, onHelp,
           </div>
         )}
 
-        {/* Content */}
-        <div style={{ flex:1, display:'flex', overflow: isMobile ? 'auto' : 'hidden', paddingBottom: isMobile ? 'calc(82px + env(safe-area-inset-bottom, 0px))' : 0 }}>
-          {tab==='all' && <AllGroupsTab allUsers={allUsers} onRefresh={onRefresh} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
-          {tab==='dm'  && <DirectMessagesTab allUserGroups={allUserGroups} onRefresh={onRefresh} refreshKey={refreshKey} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
-          {tab==='u2u' && <U2URestrictionsTab allUserGroups={allUserGroups} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
-        </div>
+        {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+            on individual inputs is ignored by Chrome but respected on the form element */}
+        <form autoComplete="off" onSubmit={e => e.preventDefault()}>
+          {/* Content */}
+          <div style={{ flex:1, display:'flex', overflow: isMobile ? 'auto' : 'hidden', paddingBottom: isMobile ? 'calc(82px + env(safe-area-inset-bottom, 0px))' : 0 }}>
+            {tab==='all' && <AllGroupsTab allUsers={allUsers} onRefresh={onRefresh} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
+            {tab==='dm'  && <DirectMessagesTab allUserGroups={allUserGroups} onRefresh={onRefresh} refreshKey={refreshKey} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
+            {tab==='u2u' && <U2URestrictionsTab allUserGroups={allUserGroups} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
+          </div>
+        </form>
 
         {/* Mobile footer — fixed, hidden when any input is focused (keyboard open) */}
         {isMobile && !inputFocused && (
diff --git a/frontend/src/pages/UserManagerPage.jsx b/frontend/src/pages/UserManagerPage.jsx
index 40279a3..2a1ee27 100644
--- a/frontend/src/pages/UserManagerPage.jsx
+++ b/frontend/src/pages/UserManagerPage.jsx
@@ -621,32 +621,35 @@ export default function UserManagerPage({ isMobile = false, onProfile, onHelp, o
         )}
 
         {/* Content */}
-        <div style={{ flex:1, display:'flex', flexDirection:'column', overflow:'hidden', minHeight:0, background:'var(--background)' }}>
+        {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+            on individual inputs is ignored by Chrome but respected on the form element */}
+        <form autoComplete="off" onSubmit={e => e.preventDefault()}>
+          <div style={{ flex:1, display:'flex', flexDirection:'column', overflow:'hidden', minHeight:0, background:'var(--background)' }}>
 
-          {/* LIST VIEW */}
-          {view === 'list' && (
-            <>
-              <div style={{ padding:'16px 16px 8px', flexShrink:0 }}>
-                <input className="input" placeholder="Search users…" value={search} onChange={e => setSearch(e.target.value)}
-                  onFocus={onIF} onBlur={onIB}
-                  autoComplete="off" autoCorrect="off" spellCheck={false}
-                  style={{ width:'100%', maxWidth: isMobile ? '100%' : 400 }} />
-              </div>
-              <div style={{ flex:1, overflowY:'auto', padding:'0 16px', paddingBottom: isMobile ? 'calc(82px + env(safe-area-inset-bottom, 0px))' : 16, overscrollBehavior:'contain' }}>
-                <div style={{ background:'var(--surface)', borderRadius:'var(--radius)', boxShadow:'var(--shadow-sm)', overflow:'hidden' }}>
-                  {loading ? (
-                    <div style={{ padding:48, textAlign:'center' }}><div className="spinner" /></div>
-                  ) : loadError ? (
-                    <div style={{ padding:32, textAlign:'center', color:'var(--error)' }}>
-                      <div style={{ marginBottom:12 }}>⚠ {loadError}</div>
-                      <button className="btn btn-secondary btn-sm" onClick={load}>Retry</button>
-                    </div>
-                  ) : filtered.length === 0 ? (
-                    <div style={{ padding:32, textAlign:'center', color:'var(--text-tertiary)', fontSize:14 }}>
-                      {search ? 'No users match your search.' : 'No users yet.'}
-                    </div>
-                  ) : (
-                    filtered.map(u => <UserRow key={u.id} u={u} onUpdated={load} onEdit={goEdit} />)
+            {/* LIST VIEW */}
+            {view === 'list' && (
+              <>
+                <div style={{ padding:'16px 16px 8px', flexShrink:0 }}>
+                  <input className="input" placeholder="Search users…" value={search} onChange={e => setSearch(e.target.value)}
+                    onFocus={onIF} onBlur={onIB}
+                    autoComplete="off" autoCorrect="off" spellCheck={false}
+                    style={{ width:'100%', maxWidth: isMobile ? '100%' : 400 }} />
+                </div>
+                <div style={{ flex:1, overflowY:'auto', padding:'0 16px', paddingBottom: isMobile ? 'calc(82px + env(safe-area-inset-bottom, 0px))' : 16, overscrollBehavior:'contain' }}>
+                  <div style={{ background:'var(--surface)', borderRadius:'var(--radius)', boxShadow:'var(--shadow-sm)', overflow:'hidden' }}>
+                    {loading ? (
+                      <div style={{ padding:48, textAlign:'center' }}><div className="spinner" /></div>
+                    ) : loadError ? (
+                      <div style={{ padding:32, textAlign:'center', color:'var(--error)' }}>
+                        <div style={{ marginBottom:12 }}>⚠ {loadError}</div>
+                        <button className="btn btn-secondary btn-sm" onClick={load}>Retry</button>
+                      </div>
+                    ) : filtered.length === 0 ? (
+                      <div style={{ padding:32, textAlign:'center', color:'var(--text-tertiary)', fontSize:14 }}>
+                        {search ? 'No users match your search.' : 'No users yet.'}
+                      </div>
+                    ) : (
+                      filtered.map(u => <UserRow key={u.id} u={u} onUpdated={load} onEdit={goEdit} />)
                   )}
                 </div>
               </div>
@@ -677,6 +680,7 @@ export default function UserManagerPage({ isMobile = false, onProfile, onHelp, o
             </div>
           )}
         </div>
+        </form>
 
         {/* Mobile footer — fixed, hidden when keyboard is up */}
         {isMobile && !inputFocused && (