RewriteBar
AI writing toolkit for macOS
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Mathias Michel

RewriteBar - Improve your writing in any macOS app with AI help

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RewriteBar
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Enhance your writing in any application using AI. Improve sentences effortlessly in Slack, emails, or a code editor. Works well with tools like Grammarly for better writing.

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Mathias Michel
Maker
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Hey Product Hunters! 👋 I love LanguageTool & Grammarly, but they only work in certain apps, and you have to pay for advanced grammar corrections. I created RewriteBar to help people who are not native speakers improve their writing in everyday conversations using AI technology. Here's how it works 👇 1️⃣ Select any sentence in any application 2️⃣ Trigger the grammar correction with a keyboard shortcut 3️⃣ Your selected sentence is replaced with the corrected version And... you can use more AI actions like: 🈂️ Translate ✍️ Simplify language 🔄 Change tone 🔀 Summarize or expand 🤖 Improve prompts 🆙 Transform to Title Case Ready to supercharge your writing? Give RewriteBar a try and let me know what you think! PS: Got feature ideas? I'd love to hear them! Let's make writing easier for everyone, together. 🚀 - Mathias
Kehui Guo
This is great! I have been using Grammarly for a very very long time and it doesn't work well in some cases. Thank you for building this!
Mathias Michel
Maker
@kehui_guo Thanks for your comment! You can also use Rewritebar in combination with Grammarly since I do not add an overlay UI.
Kehui Guo
@m91michel Even better! Thanks!
Kyrylo Silin
RewriteBar sounds incredibly useful, especially for non-native speakers. How does it handle context in more technical writing, like code documentation or academic papers? Are there specific AI models tailored for different types of content? Congrats on the launch, Mathias!
Mathias Michel
Maker
@kyrylosilin Thank you! The different types are mainly different prompt, and they use the same model under the hood (GPT-3.5 or GPT-4o). You can also choose the model if you provide your own API key. Depending on your task and input size, GPT-3.5 is enough in most cases (e.g. grammar & spelling correction) I think technical writing and code documentation should not be an issue if you are improving sentence by sentence. I did not try out with academic, but you can give it a try. :)
Andriy Semenets
Congratulations on the launch! Is this a native macOS app or some sort of web wrapper like Electron? The idea and the implementation look nice and well executed.
Mathias Michel
Maker
@semanser Thank you! Its a native app! So the app size is around 6 Mb :)
Gabriel P.
huge! congrats on the launch Mathias! 🔥🔥
Mathias Michel
Maker
@gabrielpineda Thank you 🙏
Aztec Elric
I'm excited about this! Enhance your writing effortlessly across any application using AI. Pair it with Grammarly for even more refined writing—perfect for boosting productivity and clarity ✍️
Eileen Lim
Great for improving everyday communication especially for non-native speakers. Kudos, Mathias!
Mathias Michel
Maker
@eileen_lim Thank you! Your colleagues will thank you., too :)
Jayesh Gohel
Hey @m91michel RewriteBar uses AI to make your sentences shine in any app, from emails to Slack. Is it like Grammarly but for rewriting sentences? Let's find out!
Mathias Michel
Maker
@jpgohil93 You can use it in combination with Grammarly. The difference is that Grammarly continuously checks your writing, and you have to select each correction. But with Rewritebar, you can select a text block and fix that at once.