Send any suspicious email to Sentra in one click.
Drag the button below to your bookmarks bar. When you spot a sketchy email — open it, hit the bookmarklet, and Sentra opens in a new tab with the full content pre-pasted, ready to analyze.
drag-me-to-bookmarks
Send to SentraBrowsers won't let JavaScript create bookmarks programmatically — this has to be a manual drag.
How to install
Show your bookmarks bar
Chrome/Edge: Ctrl+Shift+B. Firefox: View → Toolbars → Bookmarks Toolbar.
Drag the blue button
Click and hold the gradient Send to Sentra button above, then drop it onto your bookmarks bar.
Click it on any page
On a Gmail message, an Outlook thread, a Slack copy-paste — the bookmarklet grabs the visible text and opens Sentra with it loaded.
Pro tip — Gmail's Show original
unlocks SPF/DKIM/DMARC + Received chainThe bookmarklet captures whatever text is visible on the page. To get the full Sentra analysis with header forensics, open the suspicious email in Gmail, click the three-dot menu → Show original, then click the bookmarklet on that page. Sentra will receive the raw RFC-822 message including every Received: hop and Authentication-Results header.
Source — nothing magic, view what runs
Captures document.body.innerText, base64-url encodes it, opens Sentra with ?prefill=…. Never sends to any third party. No telemetry. Truncates at 30 000 chars.
javascript:(function(){try{var t=(document.body&&(document.body.innerText||document.body.textContent))||'';var s=(document.querySelector('h1,[role=heading]')||{}).innerText||document.title||'';var raw=t.length>200?t:('Subject: '+s+String.fromCharCode(10,10)+t);if(raw.length>30000){raw=raw.slice(0,30000)}var b=btoa(unescape(encodeURIComponent(raw))).replace(/\+/g,'-').replace(/\//g,'_').replace(/=+$/,'');window.open('https://sentra-ai.vercel.app/?prefill='+b,'_blank','noopener')}catch(e){alert('Sentra bookmarklet failed: '+e.message)}})();