For a short you already posted. Send the video plus a screenshot of its retention graph (or your average % viewed) and get the curve redrawn with the drop-offs marked, the frame on screen at each drop, every leak ranked, a cut list with the new target length, and a verdict printed next to its threshold.
ポッドキャスト、対談、配信、講演の動画を送ると、完成した縦型クリップが返ってきます。単独で伝わる場面を選んで9:16に切り抜き、1語ずつ光る字幕、話し手を追うフレーミング、音量の調整まで済ませ、タイトル・冒頭の一言・投稿文も付けます。文字起こしは不要です。動画をアップロードするか、ファイルの直リンクを貼ってください。
Your opening is leaking viewers. Get a band-by-band diagnosis of the full first 30 seconds — plus 5 rewritten hooks you can film word-for-word. English & 中文. 你的视频开头正在流失观众。逐段诊断完整前 30 秒，再送你 5 条可以逐字照着拍的改写开头。支持英文与中文。
ショート動画を送ると、冒頭の6秒を1コマずつ読みます。毎秒、画面に何が映り何が聞こえるか、映像が止まる所や音が途切れる所、秒ごとのリスクとその理由、撮り直せる冒頭案を3つお渡しします。レポート画像1枚と診断内容をTikTok、Reels、YouTube Shorts向けにまとめます。
Upload your finished Short, Reel, or TikTok. Get timestamped checks and fixes for captions, on-screen text, and visual mistakes before you publish.
Upload a video and HookScan measures its first 8 seconds: when the first word is spoken, when the picture first changes, cuts, movement, on-screen text, faces, loudness and silences. Each check is PASS or FIX with the change in seconds. You also get two re-cut videos: trimmed_open.mp4 with the silent start and long pauses removed, and cold_open.mp4 that opens on your strongest line. No retention guesses, only measured numbers. A 10-minute 1080p file took about 3 minutes in our test.
Diagnose why the first 6 seconds of your short-form video loses viewers — get a second-by-second evidence timeline, up to 3 named findings, 3 structurally different replacement hooks, and a timecoded edit table you can cut today.
Turn one long speech-led video into a tighter finished MP4 at your target length — without cutting away the context that makes it make sense.
Diagnose what is really limiting your YouTube growth using your own channel data — then get clear next-video ideas, titles, thumbnail concepts, and a 7-day action plan.