One hotkey. Any app. Any AI.
Press ⌘⌥V, type your instruction, and the AI-transformed result is pasted directly back — no copy, no paste, no tab-switching.
Demo video coming soon
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Open a browser tab, paste text in, wait for output, copy it back, switch back to your app. Repeat dozens of times a day.
Privacy-conscious professionals are wary of content being logged by third-party cloud services — and increasingly regulated against it.
The clipboard is the last mile of productivity that no one has solved — text sits dead in your clipboard, invisible and untransformed.
Press your global hotkey from any application — Mail, Notion, Xcode, Slack, anywhere on macOS.
CopyFix captures selected text or lets you pick from your searchable clipboard history of up to 10,000 items.
Natural language prompts like "fix the grammar", "make this more concise", or "translate to French".
Real-time streamed output powered by your choice of AI backend — on-device or cloud.
Click Insert — the result appears in the originating app via macOS Accessibility APIs. Zero clipboard friction.
Fully user-configurable. Works from any app on macOS, even in full-screen mode.
Up to 10,000 items — text and images. Searchable and keyboard-navigable.
Natural language instructions with prompt autocomplete and full prompt history.
Combine multiple clipboard items — text and images — as a single AI prompt.
Side-by-side original vs. updated text with visual diff highlighting.
Navigate between multiple AI-generated versions per session, non-destructively.
Results paste directly into the originating app — no manual copy step needed.
All clipboard data stays local. CopyFix servers never see your prompt content.
CopyFix is the only macOS writing assistant that gives users a choice of four AI backends — from fully on-device to multi-provider cloud.
Strategic moat: As enterprise AI policies evolve and users grow more privacy-aware, CopyFix is already positioned at every point on the spectrum — from fully on-device to bring-your-own API key.
Download once from the Mac App Store — all upgrades are unlocked as in-app purchases, right inside the app.
Free download — no purchase needed
A true native macOS citizen — not an Electron app or web wrapper.
Pure Swift — no Electron runtime, no browser overhead. Cold launch in under a second.
Built on macOS 26 Tahoe design language — indistinguishable from Apple's own apps.
Carbon global hotkeys, Accessibility APIs, Keychain storage, StoreKit 2.
OpenAI Realtime API over WebSocket for low-latency, word-by-word streamed responses.
FoundationModels integration — a first-class partner for Apple Intelligence on Apple Silicon.
Apple's on-device AI APIs (FoundationModels) are shipping in macOS 26. CopyFix is already integrated and positioned as a productivity layer on top of Apple's own AI infrastructure.
Enterprise customers increasingly need on-device or bring-your-own-key options. CopyFix's multi-backend architecture answers this demand out of the box.
As AI becomes ubiquitous, users treat text as data to be transformed rather than composed from scratch. CopyFix sits at the intersection of clipboard and AI — the most natural place for text transformation.
CopyFix aims to become the system-wide AI layer for macOS — the tool that professionals reach for every time they need to do anything with text, regardless of which app they're in.
The clipboard is the universal interface. CopyFix makes it intelligent.