Better prompts.
In any app.
Improve prompts for any AI tool directly from the app you're working in — no switching, no browser, no losing focus.
macOS 13.0+ • Apple Silicon & Intel
Also available as Chrome extensionWhy Rephrase works
Save 30-60 minutes a day on prompt iterations. Based on official model documentation and scientific prompting research.
Global Hotkey
Cmd+Shift+I2 seconds instead of 30+. Press Cmd+Shift+I anywhere — browser, IDE, Figma, Slack, Notes. No window switching, no losing focus.
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-detectThe system auto-detects your intent: video, image, text, or code. Applies the right skill with prompts tuned for Sora, Runway, Midjourney, DALL-E, and more.
Global Instructions
Set your brand voice, language style, or specific requirements once. Every prompt follows your preferences consistently.
Model Format Optimization
Each skill follows official syntax for specific AI models. Video prompts use Sora/Runway structure, image prompts follow Midjourney best practices.
Research-Backed Methods
Multi-agent architecture based on official recommendations from Anthropic, OpenAI, Midjourney, and Sora. Not guesswork — proven techniques from academic research.
How it works
From idea to perfect prompt in 2 seconds. Works in any app on your Mac.
Select or Speak
Highlight text or press Cmd+Shift+U to speak your idea. Works in any app — browser, IDE, Figma, Slack.
AI Analyzes & Improves
Auto-detects context and selects the optimal skill. Applies research-backed prompt techniques tuned for your target AI model.
Get Perfect Prompts
Improved prompt appears instantly. Copy with one click or auto-paste directly into your application. 1-2 iterations instead of 5-10.
See It In Action
See how Rephrase improves prompts in 2 seconds — directly from the app you're working in.
Voice to Prompt
Cmd+Shift+UPress Cmd+Shift+U to record. Whisper transcribes your speech, then AI instantly creates a professional prompt. No typing, no switching apps.
Smart Skills & Model Optimization
Auto-detectThe system auto-detects your task type — video, image, text, or code. Select a target model and get prompts formatted for that model's best practices.
Global Instructions
Add custom instructions that apply to every prompt. Set your brand voice, preferred language, specific requirements, or any context you want consistently applied.
Create Custom Skills
ProBuild your own skills with custom transformation rules. Define specific instructions for how your prompts should be improved - perfect for specialized workflows or team standards.
Simple, transparent pricing
Start free, upgrade when you need more. No hidden fees.
Free
Perfect for trying out Rephrase
- 50 prompt improvements
- All built-in skills
- History & search
- Global instructions
Pro
For power users and professionals
- Unlimited prompts
- Voice input with Whisper
- All Free features
- Create custom skills
- Priority support
Questions? Contact us
Frequently Asked Questions
Everything you need to know about Rephrase
Rephrase improves any prompt in 2 seconds directly from the app you're working in. The system auto-detects the task type — video, image, text, or code — and applies professional prompting techniques. Works with ChatGPT, Claude, Midjourney, Sora, Runway, and more.
Still have questions? Contact us
From the blog
Tips, tutorials, and insights on prompt engineering.
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10 tips for writing video prompts that actually follow your intent
A practical, model-agnostic way to prompt text-to-video so you get controllable shots, consistent subjects, and fewer rerolls.
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How to Prompt Nano Banana (Gemini 3 Pro Image): The Few Patterns That Actually Matter
A practical way to prompt Nano Banana for image generation and editing-without cargo-culting camera specs or fighting the model.
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How to Prompt the Best Way (Without Turning It Into a Weird Ritual)
A practical, evidence-backed way to write prompts that ship: clear goals, strong context, tight output contracts, and an iterative loop.
Better prompts. One click. In any app.
Save 30-60 minutes a day on prompt iterations. Try free — 50 improvements included, no credit card required.
macOS & Chrome