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Penna
You opened ChatGPT for one sentence. Never again.
Fix grammar, rewrite tone, translate, and summarize without leaving your app. Penna is a Mac menu bar AI writing tool triggered by a single keyboard shortcut.
I was tired of constantly opening ChatGPT for every small sentence during my workday just to fix grammar or tweak the tone. So I built Penna to solve that right where I’m typing.
The idea is simple: fix your grammar easily in any app or ask AI anything, instantly. I kept the focus on speed and making it feel effortless.
You can try the free plan, and it would be amazing to hear your feedback 🙌
About Penna on Product Hunt
“You opened ChatGPT for one sentence. Never again.”
Penna was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #147 on the daily leaderboard. Fix grammar, rewrite tone, translate, and summarize without leaving your app. Penna is a Mac menu bar AI writing tool triggered by a single keyboard shortcut.
On the analytics side, Penna competes within Writing, SaaS and Menu Bar Apps — topics that collectively have 112.9k followers on Product Hunt. The dashboard above tracks how Penna performed against the three products that launched closest to it on the same day.
Who hunted Penna?
Penna was hunted by Matheus Borges . 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 Penna including community comment highlights and product details, visit the product overview.
Matheus Borges 