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AI · June 4, 2026

R E F Y N E

Fix writing in any app without breaking flow

What it does

Refyne is a writing assistant designed for one thing: better text without context switching. Select text anywhere, press a hotkey, and Refyne replaces it in-place with a cleaner version. Use built-in modes for quick fixes, clarity, tone, and brevity, or create Personalized Modes for your own workflows: translate, summarize, turn notes into emails, rewrite for your brand voice, or format replies. No browser extension, no copy-paste loop, no lost focus. Just writing that keeps up with you.

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    Hey HN! I've written more words on the internet than I could count, for everyone from Zapier to Wirecutter. And for years it's bugged me that nearly every writing app still treats the writing surface as a linear sheet of paper, with paragraphs one after another and no space for experimentation. And so I and a friend build Reproof.app as what I've taken to calling a writing app for perfectionists. It's built around paragraph versions. You can add new versions to any paragraphs and swap between them to see how the different takes read in context. You can cut a paragraph as a clipping to save…

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