EmailSubjectScore Pro — 開封される件名を書こう

開封される件名を書こう。迷惑メールリスク、明瞭度、開封率をGmailでリアルタイム評価。AIによるワンクリック書き換え。

Every cold email, sales outreach, and important message lives or dies by its subject line. EmailSubjectScore Pro is a free Chrome extension that scores your email subject lines in real time inside Gmail — rating spam risk, clarity, and urgency on clear scales. When your score needs work, one click generates AI-powered rewrite suggestions that beat your original. Stop guessing and start sending subject lines that get replies. ✨How it works 1. Open Gmail and click Compose 2. Type your subject line — scores appear automatically as you type 3. See three color-coded ratings: Spam (0-100), Clarity (0-10), Urgency (0-10) 4. Click "Suggest rewrite" for 3 AI-generated alternatives 5. Click "Use this" to replace your subject instantly 6. Send with confidence 📋Features - Real-time subject line scoring inside Gmail compose — no tab switching - Three-axis scoring: Spam risk, Clarity, and Urgency - AI-powered rewrite suggestions that improve on your original scores - Color-coded score badges (green/yellow/red) for instant feedback - Works with Gmail light and dark mode - 50 free scores per month — no signup required - Lightweight: under 60KB, no slowdown - Privacy-first: subject text processed ephemerally, never stored 🔴 What we DON'T do - Never read your emails — only the subject line you type - Never track opens, clicks, or recipients - Never store your subject lines on our servers - Never sell your data - No account required for the free tier 🟢 Why not Boomerang / Mailtrack / ChatGPT for Gmail? - Boomerang Respondable scores subjects but costs $15/mo and doesn't suggest rewrites - Mailtrack tracks opens but doesn't score subjects at all - ChatGPT for Gmail generates text but doesn't score against a structured rubric - EmailSubjectScore Pro does both — score AND rewrite — free to start 🍻 Built for cold emailers, sales reps, and founders If you send important outbound emails from Gmail — sales outreach, recruiting, fundraising, freelance pitches — your subject line is the gate. EmailSubjectScore Pro is the quality check before you hit Send. 👋About EmailSubjectScore Pro is built by Amrita Labs. No bloated sales suite, no enterprise pricing, no feature creep. One job: score your subject line and help you improve it. Questions or feedback? hello@amrita-labs.com