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Purifai

App-aware copy/paste that removes unsupported formatting

Mac
Productivity
Menu Bar Apps

Text copied from AI tools or the web often pastes with fonts and headings you'd never use yourself, especially in email or chat. It immediately looks pasted. Paste text-only fixes the mess, but also removes bold text, lists, and structure, forcing you to rebuild everything by hand. Purifai cleans the text so it fits naturally in the app you're pasting into. It removes weird formatting while keeping paragraphs, lists, and spacing intact. Lightweight App (11MB). Fully offline. No tracking.

Top comment

I struggled with this problem for a long time. Before, I used to paste the text into Messenger first to strip the formatting, then copy it from there onward. But later I found Shift+Option+Command+V ;)

Comment highlights

usually I am doing that through Google Translate. You pate text there and copy back.

Congrats on the launch! This is a simple but massive time-saver. Dealing with weird formatting after pasting from the web is such a daily frustration for anyone who writes emails or docs

Does Purifai also handle stripping out hidden links, or is it focused purely on visual formatting like fonts and headings?

The "ChatGPT formatting shame" is real! I always hated how standard pasting brings those weird backgrounds, but Paste as Plain Text nukes my bullet points. This is the perfect middle ground—clean enough to pass as human, structured enough to be useful.

I came across this pain point often enough but I never thought of developing a product to solve it! Love this simple but solid idea.

Like magic! Super simple and useful at the same time. Quick win! Wish you all the best here!!

Congrats on the launch — Purifai nails a real pain point for AI-heavy workflows by keeping structure while stripping messy formatting, which feels like a must-have utility for modern Mac productivity.​

Been doing the Notes dance to strip junk. This looks like a sane fix. Keep lists, kill the weird fonts — pretty much what I want for Gmail/Slack. 11MB and offline is nice. Curious how it behaves in Notion comments.

Hey Product Hunt 👋

I built Purifai because I use ChatGPT for almost every email I write, but I hate that it never looks "native" when I paste it in. The headings are huge (who even uses headings in a normal email anyway?) and the fonts never match. There is usually that weird, massive space between paragraphs that doesn't feel like a normal line-break. It’s just obvious it was copied from an AI service.

For a while, I used "Paste as Plain Text," but that's almost worse. It strips the fonts, but it also nukes all the bolding, bullet points, and quotes. I'd end up spending 5 minutes manually re-formatting the whole thing just to make the email readable. I even caught myself pasting text into my browser’s URL bar just to strip the junk, which felt like a pretty pathetic workaround lol.

Purifai is my fix for this. It acts as a middleman that cleans the "junk" while keeping your structure intact based on where you're pasting it. For example, it’ll intelligently turn those awkward AI headings into bold text for an email, but keep them as proper headers if you're pasting into Slack or Teams.

  • Native Mac App: Only 11MB (no Electron bloat 🎉).

  • Privacy First: Works 100% offline with no tracking.

  • Simple Pricing: One-time $9.99, no subscriptions or accounts.

This is my first ever Mac app launch, and I built it mostly to save my own sanity. I’m charging a flat one-time fee because I want to stay independent and keep building focused, clean Mac apps in the future.