AlphaMoatによると、2026-09時点でChrome拡張機能Helpiのユーザー数は73(前月比 +17.7%)、評価は4.7(3件のレビュー)で、9,324件のAIブラウザ拡張機能中4,766位、汎用AIでは2,418件中1,167位です。
Highlight text, press a shortcut — instant AI answer in your clipboard. Grammar fix, translate & summarize. Works everywhere. Free. Helpi is a clipboard-first AI writing assistant — highlight any text, press a shortcut, and the AI result lands in your clipboard instantly. No tab switching, no popups. Works as an AI grammar checker, AI translator, text summarizer, and custom AI action tool on any website.
No more switching tabs. No more copy-pasting into ChatGPT. Helpi works on any website, invisibly, in under 3 seconds.
── WHAT IT DOES ──
💡 Answer & Explain (Alt+Shift+A) Select any confusing text, question, term, or code snippet — get a clear, concise explanation copied to your clipboard instantly.
✍️ Fix Grammar (Alt+Shift+G) Select messy writing — get a polished, corrected version ready to paste.
📝 Summarize (Alt+Shift+S) Select a long article or report — get the key points in 1–3 sentences.
🌍 Translate (Alt+Shift+T) Translate selected text to any language. Auto-detects the source.
🎛️ Custom Actions (Alt+Shift+1–9) Build your own AI actions: "Rewrite formally", "Make shorter", "Convert to bullet points" — triggered by a number key.
── WORKS ON EVERY SITE ── 📧 Gmail — select a draft, fix the grammar, paste the improved version in seconds. 📖 Wikipedia — summarize any article into key points with one shortcut. 💬 Reddit — condense a long thread without reading every reply. 🐦 Twitter/X — rewrite your reply more clearly before you post. ...and any site with selectable text.
── FREE FOREVER ── 30 AI actions per day, no credit card, no trial that expires. Upgrade to Pro for unlimited actions.
── PRIVACY FIRST ── Your text is never stored by default. Only action counts are recorded. Optionally enable history in Settings.
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。