CMD+C – Instant Grammar Correction Across All Apps for macOS
Hey HN! Here is my simple native macOS app for correcting grammar — CMD+C. I'm a non-native English speaker working in English-speaking teams, and I care about how my Slack messages and other communications come across. Frustrated with switching between grammar tools, apps that don't support some input boxes, and endless copy-pasting, I built CMD+C — a simple macOS app that corrects grammar on the fly in any app, with just a triple-click. Features: 1) Triple-click "⌘+C" to correct any selected text instantly, no matter where you're typing. 2) Use your own API key (OpenAI, Anthropic) or…
CMD+C – Instant Grammar Correction Across All Apps for macOS launched on November 3, 2024 with 5 votes and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Effortlessly correct grammar, punctuation, and style across any app on macOS with a simple triple CMD-C shortcut, powered by AI.
In the maker’s words, at launch
Hey HN! Here is my simple native macOS app for correcting grammar — CMD+C. I'm a non-native English speaker working in English-speaking teams, and I care about how my Slack messages and other communications come across. Frustrated with switching between grammar tools, apps that don't support some input boxes, and…
Does a similar job
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Refine – A Local Alternative to Grammarly2025 · refine.sh · ▲408Fix grammar, rewrite sentences, translate text, and get clear explanations across your Mac apps. Do it all offline with local AI.
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