AirCaption

Free

Discover AirCaption, the offline AI tool that transcribes and captions audio or video files in 60+ languages with high accuracy and export options.

Video GeneratorsFreeFree tier

Inputs: audio, videoOutputs: text, video

Type

Saas

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About AirCaption

AirCaption is an offline AI tool for transcribing and captioning audio and video files. It uses the latest NVIDIA AI models to generate captions in up to 67 languages, with a focus on privacy and local processing—no internet required. Users can easily edit text and timing, import existing caption files, and export in SRT, VTT, text, or video formats. The tool is available for Mac and Windows, offers a free Essentials tier with unlimited transcription, and a Pro tier ($9.99/month) for larger models and batch queuing. AirCaption is used by video editors, podcasters, language learners, legal professionals, marketers, researchers, event organizers, online course creators, and journalists.

Key Features

Unlimited AI transcription (free tier)

Works entirely offline with no internet required

Supports caption generation in up to 67 languages (beta)

Uses latest NVIDIA AI models (larger models on Pro)

Easily edit text and timing of captions with hotkeys

Import and edit existing caption files

Available for Mac and Windows

Privacy-first: media never leaves computer

Export captions as SRT, VTT, text, or video files

Find keywords within audio/video

Pros & Cons

Pros

High accuracy speech-to-text as verified by user testimonials
Privacy-focused with all processing done locally
Free unlimited transcription tier available
Supports over 60 languages for captioning
Intuitive editing interface with hotkeys for speed
Works offline without internet connectivity
Allows importing of existing caption files for editing
Batch processing for large projects (Pro tier)

Cons

Pro subscription ($9.99/month) required for larger AI models and batch queuing
Only available for Mac and Windows (no Linux or web version)
67 languages support marked as beta
No mobile app mentioned

Best For

Transcribing and subtitling video footage for editorsTranscribing podcast episodes for blog posts or captionsAdding subtitles for language learning comprehensionTranscribing legal proceedings and depositionsCaptioning promotional videos to increase engagement and SEOTranscribing interviews and audio recordings for researchCaptioning event recordings for better accessibilityAdding captions to online course videos for enhanced learning

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FAQ

Is AirCaption free?

Yes, AirCaption offers a free Essentials tier with unlimited AI transcription, keyword search, and export options. The Pro tier is $9.99/month for larger models and batch queuing.

What export formats does AirCaption support?

AirCaption supports exporting captions as SRT, VTT, text, and video files.

Does AirCaption require an internet connection?

No, after downloading the software, all transcription and captioning works entirely offline. Your media never leaves your computer.

What operating systems are supported?

AirCaption is available for Mac and Windows.