スクリプトから動画へ:どんな台本も洗練された動画に変換

HeyGen の Script to Video AI を使えば、どんな台本でも数分で洗練された共有用動画に変換できます。台本を貼り付けてプレゼンターを選ぶだけで、撮影も編集者の採用も機材の購入も不要で、完成した動画をダウンロードできます。

160,500,517生成された動画
136,808,234生成されたアバター
22,790,871翻訳された動画
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世界中の何百万人もの人々がストーリーを生み出すために信頼しています。
主な機能

スクリプトから動画を作成する機能

数クリックで台本を動画に変換できる機能

台本を貼り付けるか概要をアップロードするだけで、AI搭載の「テキストから動画へ」エンジンが、ナレーション、字幕、トランジション用グラフィック、内容に合った高品質なストック映像を含む動画全体を生成します。これらの台本から動画を生成する機能により、台本をプロダクション品質の動画へと変換できます。

HeyGen turns a pasted script into a scene-by-scene video automatically.

リアルなAIアバターが、あなたの台本を自然に伝えます

自然な演技と表情、洗練されたビジュアルで台本のすべてのセリフを伝える「Avatar V」を選びましょう。上半身全体の動き、複数アングルでの一貫性、長尺コンテンツでも安定した品質を実現するため、5分間のレッスンでも短いフックと同じクオリティを保てます。

A lifelike AI avatar presenter delivering a script on screen.

音声クローンとAIボイスオーバー

スクリプトを、あなた自身の声、またはライブラリにあるスタジオ品質のAI音声によるナレーション付きの洗練された動画に仕上げましょう。AI音声クローンなら、短い音声サンプルからあなたの声のトーンを再現し、公開するすべてのスクリプトや言語で一貫性を保てます。

Voice cloning and AI voiceover controls in the HeyGen editor.

リップシンク対応の字幕を175以上の言語で

スクリプトを175以上の言語に翻訳し、新しい音声に合わせて口の動きを再現する「AIリップシンク」を適用できます。さらに、AIツールが各言語の字幕も自動生成するため、スタジオで一言も録り直すことなく、同じスクリプトで世界中の視聴者にリーチできます。

A language selection panel for translating a video into 175+ languages.

スクリプトを書いて、動画を生成

魅力的な動画台本を作成したいですか?「動画台本ジェネレーター」なら、1つのトピックや簡単な概要を入力するだけで、構成が整ったブランドらしい台本を瞬時に作成できます。下書きをそのまま台本から動画を作成するフローに取り込めば、AIによる台本生成で、プレゼンターが進行する完成動画を制作できます。

Writing a script with the AI video script generator before generating video.

ユースケース

TikTok、リール、YouTube ショート

Short-form content creation used to take hours of filming and editing. Paste your script to create videos with AI voiceovers, captions, animation, and a presenter ready to publish across every social feed in a vertical 9:16 format.

あらゆる製品に対応する解説動画

Explainer videos used to need a scriptwriter, voice talent, and a designer. Now write the script, pick an AI talking head or talking avatar, and create professional-quality explainer videos your audience finishes in two minutes.

顔出しなしのYouTubeチャンネルとチュートリアル

Faceless creators lose weeks every month to voiceover and video editing. The script-to-video tool converts scripts into videos with an AI voice generator take, B-roll, transitions, and background music. Publish a narrated tutorial without filming.

マーケティング動画、プロモーション動画、広告

A marketer's brief sits waiting for crews and editors. Drop your script into the free script to video generator, swap the presenter and brand colors, and walk out with a professional video the same afternoon you wrote the brief.

コースコンテンツとオンラインレッスン

Course creators lose days to filming and re-shoots every time a lesson changes. Paste a lesson script, generate a presenter-led module, and tweak the timeline in the AI video editor to edit videos without re-recording.

ニュースレターやブログ記事の再活用

A blog post or presentation lives in one channel only and dies there. Turn blog posts into storyboards and a video script, run them through the script-to-video feature, and republish the idea on YouTube, LinkedIn, and Instagram without rewriting.

仕組み

仕組み

未加工のテキストから洗練された共有可能な動画まで、4つのわかりやすいステップで台本を動画コンテンツに仕上げます。

ステップ1

スクリプトを貼り付ける

エディターに台本を貼り付けるか、ファイルをアップロードするか、トピックを入力して動画用の台本を作成します。

Step 2

Pick a presenter

Choose an AI avatar or your own digital twin. Select a voice, language, and brand template.

Step 3

Customize visuals

Add captions, swap stock footage, refine pacing, apply brand colors, fonts, graphics, and your logo.

Step 4

Generate and share

Preview, render the video project, download an MP4 file, and share to YouTube, TikTok, or any LMS.

Pasting a script into the HeyGen script to video editor.
Choosing an AI presenter and voice for the script.
Customizing scenes, captions, and branding in the editor.
Generating and exporting the finished video.

Frequently Asked Questions (FAQs)

What is script to video AI and how does this kind of tool work?

Script to video AI converts written content into a finished video automatically. The AI brings your script to life by building a storyboard, generating AI voiceovers, matching stock footage or an AI avatar, and exporting a polished, high-quality video you publish anywhere. Once the script is ready, publish it as a full show with HeyGen's AI podcast generator.

Will an AI-generated video feel real enough to publish on my channels?

Yes. AI avatars now carry upper-body movement, expression, and long-form stability for professional videos. Creator Anton Voroniuk reached 1M+ students with AI lessons, saves 15.5 hrs weekly, and cut costs 40x.

How do I convert script to video on the platform step by step?

Convert script to video by pasting into the editor and picking an AI avatar and voice. The AI segments your script into a video storyboard with matched stock footage and captions. Tweak scenes, swap visuals, then render in minutes, not days.

What's the difference between script-to-video and text-to-video AI?

Script-to-video starts from a structured script you wrote, treating dialogue lines and scene cues as the source of truth. Text-to-video starts from text prompts. Script-to-video gives you tighter control over pacing, AI voiceovers, and on-screen delivery.

Does the script to video tool support multiple languages and translation?

Yes. The AI video translator handles 175+ languages with lip-synced dubbing and auto captions. Workday created videos in 10 to 15 languages per project using the same pipeline, cutting localization from weeks to minutes without re-shooting.

Is there a free AI script to video maker with no watermark?

Yes. HeyGen offers a free plan today with no credit card required and no watermark on standard exports. Paid plans add longer runtime, presenter customization, brand kits with fonts, and translation across 175+ languages, starting at $24 monthly. See FAQs below.

How long does it take to generate a video from a script?

Most full videos render in a few minutes, generating videos instantly for short clips. A 60-second clip is ready in under five minutes once you select the presenter and voice. Longer projects and 4K exports take more time, but still finish in the same session.

Can I use my own voice for the AI voiceover in every video?

Yes. Clone your voice from a short sample and the same AI voiceover carries across every script, every language, and every avatar. Voice cloning preserves your tone and cadence, so the narration sounds like you, not a generic AI read.

Can I add a caption, background music, or transitions to the script to video output?

Yes. The subtitle generator creates synced captions automatically and supports translation into every language. Add background music, swap a transition or graphic, then burn captions in or export as a sidecar file.

What aspect ratios and platforms does script to video support?

Export 9:16 vertical for TikTok, Reels, and Shorts, 16:9 for YouTube and LinkedIn, and 1:1 for Instagram and Facebook feeds. Pick the ratio before generating and captions, presenter framing, and stock footage adjust to fit.

Can I monetize an AI-generated script to video on YouTube and other platforms?

Yes, when you add commentary, narration, or substantive editing, which is what this workflow produces. Teams like Workday create engaging videos with this script-to-video tool to publish globally, with 100% capacity increase.

Can I edit videos after the AI generates them from my script?

Yes. Open the rendered video project in the editor, swap any scene, change the AI avatar, rewrite a line, or replace the stock footage. The platform regenerates only the affected scenes, so you never restart from scratch.

さらに詳しく見るAI 搭載のツール

Avatar IV を使って、あらゆる写真に超リアルな声と動きを与え、命を吹き込みましょう。

HeyGen で作成を始めましょう

AIを使って、あなたのアイデアをプロ品質の動画に変えましょう。

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