AI-powered text enhancement for macOS

Every copy
deserves a tweak

Instantly rewrite, rephrase, or refine any text from your clipboard — all in one tap.

Download for macOSView Source
cmd + cto copy
ctrl + tto tweak

Requires Osaurus on Apple Silicon.

Powerful simplicity

Everything you need to enhance your writing, nothing you don't.

Lightning Fast

Transform your text instantly with AI-powered rewriting. No waiting, no hassle.

< 1s response time

One Shortcut

Copy any text, hit your global hotkey, and watch it transform. It&apos;s that simple.

Customizable hotkey

Smart Refinement

Intelligent AI understands context to rewrite, rephrase, or polish your text perfectly.

Context-aware AI

Dead simple workflow

Three steps to better writing. No apps to open, no context switching.

01

Copy any text

Select and copy text from anywhere - emails, documents, chat messages, or code comments.

02

Press your hotkey

Use your customizable global keyboard shortcut to trigger Tweaks instantly.

03

Get polished text

AI instantly refines your text and replaces your clipboard content with the enhanced version.

"i think this could be better written""I believe this could be expressed more effectively"
Free • Open Source • Privacy-First

Start tweaking today

Be among the first to experience AI-powered text enhancement.

Download NowStar on GitHub

Requires Osaurus on Apple Silicon.