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Caption Comet
Local AI captions for Mac. No Cloud. No subscription.
Generate, edit, and burn captions locally on your Mac. No cloud upload, no account, no subscription. Quick Mode batches multiple videos even with mixed codecs, resolutions and aspect ratios. Project mode lets you edit text and adjust timings for phrases or even word by word. Multiple styles: karaoke highlight, word builds, standard, and custom presets. Exports SRT, VTT, ASS, MKV, or burned-in video. Runs on any Apple Silicon Mac including 8GB. Free 30-day trial, one-time purchase.
I built this because I wanted word-by-word captions for my own videos without paying a monthly subscription. It started as a simple transcription tool and grew into a full captioning workflow with batch processing, a waveform timing editor, multiple caption styles, and burned-in video export, all running locally on your Mac.
No account. No cloud upload. Your footage never leaves your machine.
There’s a full 30-day Pro trial built into the app, no card required, so you can try everything before deciding. Happy to answer anything about how it works.
About Caption Comet on Product Hunt
“Local AI captions for Mac. No Cloud. No subscription.”
Caption Comet was submitted on Product Hunt and earned 0 upvotes and 4 comments, placing #100 on the daily leaderboard. Generate, edit, and burn captions locally on your Mac. No cloud upload, no account, no subscription. Quick Mode batches multiple videos even with mixed codecs, resolutions and aspect ratios. Project mode lets you edit text and adjust timings for phrases or even word by word. Multiple styles: karaoke highlight, word builds, standard, and custom presets. Exports SRT, VTT, ASS, MKV, or burned-in video. Runs on any Apple Silicon Mac including 8GB. Free 30-day trial, one-time purchase.
On the analytics side, Caption Comet competes within Mac, Productivity and Video — topics that collectively have 761.7k followers on Product Hunt. The dashboard above tracks how Caption Comet performed against the three products that launched closest to it on the same day.
Who hunted Caption Comet?
Caption Comet was hunted by Struck Anvil. 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.
For a complete overview of Caption Comet including community comment highlights and product details, visit the product overview.
Struck Anvil