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Open-source macOS app that captures system audio, transcribes it live, and translates it into readable side-by-side text or floating captions. Apple frameworks are the default; GPT realtime modes are optional when you bring your own OpenAI API key.
Hey Product Hunt,
I built AirTranslate because I kept running into the same awkward problem: the audio I needed to understand was already playing on my Mac, but most transcription workflows still expected microphone routing, virtual cables, or a meeting-specific setup.
AirTranslate captures Mac system audio directly, turns it into a live transcript, and translates it in real time. You can keep the source and translation side by side, or use the floating caption window over a lecture, video, interview, stream, or meeting.
The default path uses Apple Speech and Apple Translation frameworks. GPT realtime transcription and translation are optional for people who want them, and AirTranslate only enables those modes after you add your own OpenAI API key. Keys stay in macOS Keychain, and saved transcripts are plain text files on your Mac.
This is an open-source macOS app, still early but already useful for multilingual listening workflows. I would love feedback on the capture flow, caption readability, and which language pairs or accessibility features would make it more useful.
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About AirTranslate on Product Hunt
“Live captions and translation for Mac audio”
AirTranslate was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #153 on the daily leaderboard. Open-source macOS app that captures system audio, transcribes it live, and translates it into readable side-by-side text or floating captions. Apple frameworks are the default; GPT realtime modes are optional when you bring your own OpenAI API key.
AirTranslate was featured in Productivity (651.7k followers) and GitHub (41.2k followers) on Product Hunt. Together, these topics include over 153.6k products, making this a competitive space to launch in.
Who hunted AirTranslate?
AirTranslate was hunted by MetCaster. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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