高速で正確な結果を自動生成し、公開準備完了

ビデオをアップロードして、数秒で正確なキャプションを取得

.mp4、.mov、.mkvファイルを10分または50MBまでサポート。

The best free AI caption generator

Generate captions for your videos with AI-powered speed and accuracy

Use our AI caption generator to create auto-synced captions in 99 languages—featuring character-level timestamps, speaker labels, and audio-event tags for unmatched precision.

Generate captions in seconds

Drag and drop any file or select one from your device. We support all major video formats with uploads from local storage or cloud.

  • Upload your audio

    Upload your video

    Drag and drop any file or select one from your device. We support all major video formats with uploads from local storage or cloud.

  • Edit your transcript

    Edit your captions

    Click directly on words to fix, cut, or reformat. Word-level timestamps make caption editing fast and precise.

  • Export your transcript

    Export your captions

    Download captions in SRT, VTT, TXT, DOCX, PDF, or JSON. Perfect for social platforms, accessibility, and publishing workflows.

Transcribe audio effortlessly

Broad format support

Generate captions for any video

Our AI caption generator supports a wide range of audio and video formats—so you can add captions to podcasts, webinars, interviews, and social clips without extra steps.

Fast, accurate transcripts

Fast, accurate captions

High-accuracy captions at speed

Create captions with unmatched accuracy using Scribe—our state-of-the-art Speech to Text model. Built for speed and precision, it delivers structured, speaker-labeled captions for videos of any length.

Why use ElevenLabs AI Caption Generator

Captioning is effortless with ElevenLabs. Whether you’re auto-generating subtitles, improving accessibility, or boosting engagement on social platforms, our AI delivers accurate captions in 99 languages. Upload videos of any kind and get structured, time-synced captions ready to share.

Lightning fast transcription

Lightning-fast results

Get captions in seconds—even for long videos. Spend less time creating subtitles and more time publishing content.

Speaker labeling

Speaker labeling

Automatically detect and label speakers, making captions easier to follow in interviews, podcasts, and group discussions.

Split & Merge Segments

Split and merge segments

Use ‘adjust segments’ to fine-tune your captions. Split or merge segments to match timing perfectly or assign speakers more accurately.

Audio event tagging

Audio event tagging

Automatically tag non-speech sounds—like laughter or applause—for captions that capture full context.

High accuracy

Edit by clicking on words

Make changes directly from the transcript. Fix errors instantly with word-level timestamps and streamline your workflow.

Go beyond words

Go beyond speech

Capture non-verbal moments in captions—like music or applause—to make your videos more engaging and inclusive.

Break language barriers with captions

Instantly generate captions in 99 languages. Expand your reach, unlock global engagement, and make your videos accessible to all audiences.

Break language barriers with AI

One video. Infinite formats.

Repurpose a single video into content for blogs, podcasts, and social platforms. AI-generated captions make repurposing simple and fast.

One audio file. Infinite formats.

Boost discoverability with captions

Make your videos searchable. Captions turn speech into indexable text, improving visibility across Google, YouTube, and more.

Make your content searchable

Reach every viewer, everywhere

Auto-generate accurate, time-synced subtitles. Make videos accessible for people watching without sound or those with hearing impairments.

Reach every listener, everywhere

よくある質問

最高品質のAIオーディオで創造する