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Konjac
Capture, OCR, and translate without leaving the camera
Konjac turns every shutter press into an OCR note with an automatic translation, without leaving the camera. Capture passages from books, subtitles, and anything else, then keep the original and translation together. Use Apple on-device processing where available, or choose your own OpenAI, Claude, or Gemini provider. The standard iPhone and iPad app is free and includes consent-gated ads.
Hi Product Hunt,
I built Konjac for the moments when I want to capture several passages without breaking my reading or viewing flow. Most scanner workflows make each capture feel like a separate task. Konjac keeps the camera, OCR results, translations, and saved notes together in one continuous workspace.
Press the shutter and a new OCR note appears. If translation is enabled, the original and translation stay together. Then the camera is ready for the next passage. This is especially useful for foreign-language books and video subtitles.
Konjac can use Apple on-device OCR and translation where available. People who prefer another provider can configure their own OpenAI, Claude, or Gemini API key, which is stored in the device Keychain. Notes stay on the device and can sync through the user's private iCloud database. The standard App Store version is free and includes consent-gated native ads.
Konjac is available for iPhone and iPad in English, Japanese, and Simplified Chinese. I would especially value feedback on the continuous capture workflow and how well it supports language learning. Please tell me what you capture first.
About Konjac on Product Hunt
“Capture, OCR, and translate without leaving the camera”
Konjac was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #43 on the daily leaderboard. Konjac turns every shutter press into an OCR note with an automatic translation, without leaving the camera. Capture passages from books, subtitles, and anything else, then keep the original and translation together. Use Apple on-device processing where available, or choose your own OpenAI, Claude, or Gemini provider. The standard iPhone and iPad app is free and includes consent-gated ads.
On the analytics side, Konjac competes within Productivity, Notes and Education — topics that collectively have 745.8k followers on Product Hunt. The dashboard above tracks how Konjac performed against the three products that launched closest to it on the same day.
Who hunted Konjac?
Konjac was hunted by Yusuke Kawada. 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 Konjac including community comment highlights and product details, visit the product overview.
Yusuke Kawada