Rated 5 Stars by 1 million+ users worldwide

🛠️ Trusted developer with a suite of highly rated extensions

🔐 Privacy-first: Requires minimal permissions

🚀 Lightning-fast email previews, alerts, and smart tools

🎨 Clean, modern Material Design UI

🔔 Push notifications and background alerts

🧠 Voice notifications — hear your emails read aloud (perfect for multitasking or accessibility)

🧩 Works with multiple Gmail & Google Workspace accounts

🧍‍♂️ See profile photos of senders

🔄 Real-time sync across inboxes, labels, and custom filters

🆕 Tons of options, features, and regular updates

✨ Option to quickly reply & compose emails with AI using prompts in any language

🆘 Access to an extensive FAQ and fast, personal tech support

🧱 Now supports the Chrome side panel

🧑‍🍳 Your suggestions help shape new features

🎁 Extra features unlocked with any contribution

📥 Read, archive, mark as read, or delete — right from the popup

🔇 Add your own notification sounds or voices

Options:

Welcome Section
• Language selection (40+ languages supported)

Notification Section
• Notification sound (on/off, volume control)
• Text-to-speech voice notifications (multiple voices, volume, pitch, rate controls)
• Spoken words limit (summary, paragraph, whole email)
• Voice notification only if idle (configurable delays)
• Desktop notifications (off, text, rich)
• Rich notification buttons customization (clicking anywhere on notification)
• Custom notification buttons 1 & 2 (multiple action options)
• Notification button icons (none, white, gray)
• Close notification after X seconds (3-30 seconds or never)
• Recycle notification
• Move notifications into action center (Windows only)
• Notification wakes up screen temporarily (Windows only)
• Show notification email image preview
• Show contact photos
• Notification display options (private, from, subject, message)
• Display sender names (first name only or full name)
• Repeat notification interval (off, 1-30 minutes)
• Display account receiving email
• Show notifications on startup
• Show notifications for missed emails while idling
• Show snoozed notifications
• Show notifications for older date emails
• Do not show notification if Gmail tab is open
• Run in background (Chrome only)

Button Section
• Pin extension to toolbar
• Button icon style (default, blue, green, yellow, native, mini, OS X, bubbly, custom)
• Button click action (8+ options: open popup, side panel, Gmail popup, Gmail tab, compose, etc.)
• If no unread mail action (varies by selected button action)
• Animate button icon (on/off)
• Show button tooltip (on/off)
• Hide unread count (on/off)
• Show only recent unread emails
• Reset email unread icon when button clicked
• Unread mail count color (background color picker)
• Quick action buttons selection (archive, spam, delete, move, reply, open, mark as unread, mark as read, archive all, mark all as spam, mark all as read, add to calendar, listen to email)

Accounts / Labels Section
• Account adding method (auto detect or OAuth)
• Polling interval (real-time, 30 seconds - 5 hours)
• Account management (add, ignore, set open label, signature settings, conversation view)
• Monitor specific labels per account (with sound, notification, and voice settings)

Compose Section
• Show Checker Plus compose in popup (on/off)
• Show Checker Plus compose in Gmail (on/off)
• Open Checker Plus compose in Gmail action (popup window or side panel)

Do Not Disturb Section
• DND in fullscreen mode (on/off)
• DND during calendar event (on/off)
• Show gray icon in DND (on/off)
• Sync DND across devices (on/off)
• Only mute sounds during DND (on/off)
• Only prevent notifications during DND (on/off)
• DND schedule (per account, with time settings)

General Section
• Previewing marks as read (on/off)
• Archive read emails (on/off)
• Replying marks as read (on/off)
• Deleting marks as read (on/off)
• Starring marks as read (on/off)
• Moving marks as read (on/off)
• Starring applies inbox label (on/off)
• 24-hour mode (on/off)
• Set popup window position and size (on/off, with customizable left, top, width, height)
• Show context menu item (on/off)
• Email preview (on/off)
• Always display external content (on/off)
• Show end of message (on/off)
• Hide "sent from" text (on/off)
• Remove share links (on/off)
• Auto collapse conversations (on/off)
• Progressively load emails (on/off)
• Enable swiping (on/off)
• Delete after OTP (on/off)
• Open Gmail in new tab (on/off)
• Insert signature before quoted text (on/off)
• Appearance (light, dark, system default)
• Max emails to show per account (0-20)
• Show send and archive button (on/off)
• Show send and delete button (on/off)
• Open compose/reply action (in tab or popup window)
• Auto advance to (newer, older, conversation list)
• Clicking Checker Plus logo (open help or Gmail tab)
• Extension updates notifications (none, interesting, all)
• Quick compose email (email address and nickname)
• Open mailto links with Gmail

Skins & Themes Section
• View and install custom skins and themes

Keys Section
• Keyboard shortcuts reference
• Keyboard exception for R key (reply or mark as read)

Admin Section
• Save/load options via browser sync
• Export/import options via file
• Delete custom sounds
• Reset translation settings
• Revoke all account access
• Reset settings to defaults