Caption.IM

Caption.IM is a real-time captioning and voice-input tool for desktops. Powered by AI-driven speech-to-text and translation technologies, it provides barrier-free support for various conversational scenarios. It requires no browser plugins or complex configurations; it can directly capture system-level audio, instantly generating high-precision captions in any application such as Zoom, Google Meet, Microsoft Teams, YouTube, podcasts, and more, while also supporting real-time multilingual translation. All audio processing is performed locally, ensuring privacy and security.

Caption.IM is specifically designed to enhance communication efficiency and information accessibility, suitable for remote meetings, online courses, multilingual collaboration, and hearing assistance. Users can activate it in just three steps: ① Open the app and grant audio access permissions; ② View real-time captions with over 98% accuracy; ③ Translate captions into more than 50 languages on demand. The entire process requires no additional setup—just launch and use.

Caption.IM supports direct capture of system audio and is compatible with Zoom, Google Meet, Microsoft Teams, Webex, Slack Huddles, Discord, and various other audio/video applications. All speech processing takes place locally on the device, with no audio ever uploaded to the cloud, no tracking, and no storage, fully meeting the needs of users with stringent privacy and security requirements.

Features

Real-time captioning: Supports any system audio source (meetings, videos, podcasts, lectures), with caption accuracy exceeding 98%.

Instant translation: Offers real-time translation among over 50 languages, ideal for international conferences, cross-language teaching, and consuming multilingual content.

Use cases

Real-time meeting subtitles: Automatically generate bilingual Chinese-English real-time subtitles in meetings on Zoom, Google Meet, Microsoft Teams, and more.

Cross-language communication assistance: Instantly translate live conversations or video content into over 50 languages, supporting international team collaboration.

Audio and video content archiving: Generate exportable SRT/VTT subtitle files for system audio from podcasts, lectures, online courses, and more.

How to use

Open the Caption.IM app and grant microphone and system audio capture permissions.

The app automatically captures all system audio on the current device (no plugins or browser extensions required).

Displays subtitles with over 98% accuracy in real time, supporting automatic speaker recognition and labeling.

Enable real-time translation into over 50 languages as needed, or export text in TXT/SRT/VTT formats.

Pricing

Free version: €0/month, includes real-time captions, support for 3 languages, 5 hours of usage per month, and basic text export; Pro version: €9.9/month, offers real-time translation in 50+ languages, unlimited duration, SRT/VTT export, and priority support; Enterprise version: custom plans, supporting SSO/SAML, team management, and SLA guarantees.

Traffic data

Third-party estimates, not first-party analytics. Periods, devices and providers are shown separately.

No verifiable traffic data available

Sources

caption.im ↗