YouTube TD翻訳ツール
YouTubeビデオのタイトルと説明文を翻訳して、グローバルな視聴者にリーチしましょう。YouTubeアカウントを接続し、動画を選択し、ターゲット言語を選んでAIに任せるだけ。
使い方
YouTube/Googleアカウントでサインインしてください。YouTubeの公式APIを通じて安全に動画リストにアクセスします。
翻訳したい動画を選択し、ターゲット言語を選んでください。AIがSEOキーワードを保ちながらタイトルと説明文を翻訳します。
翻訳を確認し、ワンクリックでYouTubeにローカライズされたメタデータとして書き込みます。動画が新しい市場で発見されるようになります！
このツールはYouTube Data APIとGoogle Gemini AIを使用しています。データは安全に処理され、サーバーに保存されることはありません。
Why Translate Your YouTube Videos?
Over 80% of YouTube's audience is outside English-speaking countries, yet most creators only upload English titles and descriptions. Translating your metadata is the single easiest way to tap into Spanish, Chinese, Portuguese, and Japanese-speaking audiences — without re-recording a single second of content. The YouTube TD Translator uses AI to translate your video's title and description into multiple languages simultaneously, then writes the translations back to YouTube directly through the API.
Reach 80% More Viewers
Translated metadata helps YouTube surface your videos to non-English speakers who are searching for the same topic in their language.
AI-Quality Translation
Context-aware AI translation preserves the meaning, tone, and keyword intent of your original text — not word-for-word literal output.
One-Click Write-Back
Translations are pushed directly to your YouTube video via the API. No copy-pasting into YouTube Studio for each language.
4+ Languages at Once
Translate to Spanish, Chinese, Japanese, Portuguese, and more in a single generation — parallel processing for all target languages.
Secure OAuth Login
Uses YouTube's official OAuth authentication. We never store your credentials or access your videos beyond the translation write-back.
Free to Use
No subscription required. Connect your YouTube account and start translating immediately at no cost.
Frequently Asked Questions
Which languages are supported?▾
The tool currently supports Spanish, Simplified Chinese, Japanese, Portuguese (Brazil), French, German, and Korean. Additional languages are being added regularly.
Will translating my metadata change the original English title?▾
No. YouTube stores translated metadata separately from your original title and description. Your English content remains untouched. Viewers in different regions will see the localized version automatically based on their language settings.
Is it safe to connect my YouTube account?▾
Yes. The tool uses YouTube's official OAuth 2.0 flow — the same authentication system used by YouTube Studio. We only request the minimum permission needed to update video metadata. We never access your private data or videos beyond the specific write-back action.
How accurate is the AI translation?▾
The AI produces high-quality translations that preserve keyword intent and natural phrasing in the target language. It significantly outperforms direct machine translation for idiomatic content. We recommend reviewing the output before writing back, particularly for languages you can verify.
Can I translate videos from multiple channels?▾
Yes. As long as you authenticate with the YouTube account that owns the videos, you can translate metadata for any video on that channel. Switch accounts to manage multiple channels.
Is there a limit on how many videos I can translate?▾
There is no hard limit imposed by FacelessHub. However, YouTube's API has rate limits that apply to all third-party apps. For bulk operations (50+ videos), we recommend spacing out your translations.
What Creators Are Saying
"I translated my top 20 videos into Spanish and within 60 days I had a consistent stream of Spanish-speaking subscribers. It's the easiest international growth strategy I've found."
Elena R.
Finance Creator
"The write-back feature saves enormous time. I used to manually update each language in YouTube Studio — this does it in one click. My channel now has localized titles in four languages."
James W.
@faceless_history
"As a non-native English speaker I was worried about translation quality. But the AI output is natural and idiomatic — not the robotic phrasing I expected. Definitely recommend."
Yuki N.
Tutorial Creator