Type or Speak. Get Perfect Prompts.
A macOS menu bar app that transforms rough ideas into powerful prompts. Select text and press a hotkey, or just speak your idea - AI does the rest.
macOS 13.0+ • Apple Silicon & Intel • Whisper-powered voice
"make a video of a cat playing"
Cinematic slow-motion tracking shot of a playful tabby cat leaping through golden hour sunlight, shallow depth of field...
Prompt improvement backed by research
Every feature is designed around proven prompt engineering techniques from official model documentation and independent research studies.
Global Hotkey
Cmd+Shift+IPress Cmd+Shift+I anywhere to instantly improve selected text. Works in any app - browser, notes, IDE, anywhere.
Voice to Perfect Prompt
Cmd+Shift+UJust speak your idea. Whisper transcribes it, then AI transforms your voice into a polished, optimized prompt. No typing needed.
Smart Skills
Auto-detectAuto-detects your intent and applies the right skill: video prompts for Sora/Runway, image prompts for Midjourney/DALL-E, professional Slack messages, and more.
Global Instructions
Set personal preferences that apply to every prompt - your brand voice, language style, or specific requirements. Consistent results every time.
Model Format Optimization
Each skill is tuned for specific AI models. Video prompts follow Sora/Runway syntax, image prompts use Midjourney structure. Maximum compatibility.
Research-Backed Methods
Prompt improvements are based on official model documentation and independent research studies. Not guesswork - proven techniques that work.
How it works
Three simple steps to transform any text into a powerful prompt.
Select Text or Speak
Highlight text anywhere, or press Cmd+Shift+U to record your voice. Both methods work seamlessly.
AI Analyzes & Improves
The app detects context, selects the optimal skill, and applies research-backed prompt techniques.
Get Perfect Prompts
Improved text appears instantly. Copy with one click or let it auto-paste into your application.
Simple, transparent pricing
Start free, upgrade when you need more. No hidden fees.
Free
Perfect for trying out Oshn Promt
- 10 prompt improvements
- All built-in skills
- Voice input with Whisper
- History & search
- Global instructions
Pro
For power users and professionals
- 500 prompts/month
- All Free features
- Create custom skills
- Priority support
- Early access to new models
Questions? Contact us
From the blog
Tips, tutorials, and insights on prompt engineering.
Introduction to Prompt Engineering
Learn the fundamentals of crafting effective prompts for AI models and unlock their full potential.
Mastering Video Prompts for AI
Create stunning video prompts for Sora, Runway, Kling, and other AI video generators.
Creating Custom Skills
Build your own skills to automate repetitive prompt patterns and boost your productivity.
Ready to improve your prompts?
Download Prompt Assistant and start crafting perfect prompts in seconds. Free to try, no credit card required.
macOS 13.0+ required