Use Case
Turn Rough Notes Into Clear Founder Communication
RewriteBar is a macOS menu bar app that rewrites selected text. Use it to polish investor updates, customer emails, launch posts, and changelogs directly in the tools you already use.
25 MB • Mac Intel & Apple Silicon • macOS 13.0 (Ventura) or later.
Sound Familiar?
Common writing bottlenecks this solves
High-stakes messages are written under pressure
You move fast, but investor and customer updates still need clarity and confidence.
Updates are long but not structured
Raw updates often become walls of text. You need concise summaries and clear next steps.
One message must be adapted for multiple channels
The same announcement must work for email, docs, and social with different tone and length.
How It Works
A simple flow to get better results
Draft from notes
Start with bullets, voice notes, or rough text from meetings and product updates.
Run RewriteBar commands
Use Improve Writing, BLUF, Summarize, Create an Email, or Extract Action Items to shape your message.
Publish everywhere
Paste into investor email, launch copy, changelog, or internal update with the right tone for each channel.
Before & After
Real rewrites you can apply in seconds
Before
quick update we shipped some fixes and growth is okay
After
Quick update: we shipped onboarding fixes this week, reduced trial drop-off by 14%, and are now focusing on activation improvements for the next sprint.
Before
users say onboarding confusing pricing unclear and dashboard slow
After
Action items: 1) simplify onboarding copy, 2) clarify pricing table with examples, 3) profile dashboard load and ship performance fixes.
Before
we launched today it has many updates
After
Today we launched RewriteBar v2.5 with faster command execution, better prompt controls, and improved in-app guidance for new users.
Related Commands
Try these in RewriteBar or the Prompt Library
Improve Writing
Rephrase text to improve clarity and quality, fixing mistakes while keeping the original language and length. Returns improved text only.
Create an email
Transform any text or topic into a properly formatted, professional email with appropriate structure and tone.
BLUF (Bottom Line Up Front)
Transform any text into a clear, military-style BLUF format with key information first, followed by supporting details.
Summarize
Summarize the provided text in 3-4 sentences, keeping language and meaning the same.
Extract Action Items
Extract clear, actionable tasks from long text like meeting transcripts, Slack conversations, or brainstorming sessions.
As Tweet
Write a tweet based on a provided topic, keeping it short and personal, and maintaining format and line breaks.
The Smartest AI.
With Total Privacy.
OpenAI
GPT-5, GPT-4.1, GPT-4o, ...
Ollama
gpt-oss, Llama 3, Phi-4, ...
OpenRouter
Includes 350+ Models
XAI
Grok 4, Grok 4 fast, Grok 3
LM Studio
Llama 3, gpt-oss, qwen, ...
Baseten
OpenAI-compatible endpoint
Fireworks AI
OpenAI-compatible endpoint
MiniMax
OpenAI-compatible endpoint
ZenMux
OpenAI-compatible gateway
OpenAI
GPT-5, GPT-4.1, GPT-4o, ...
Ollama
gpt-oss, Llama 3, Phi-4, ...
OpenRouter
Includes 350+ Models
XAI
Grok 4, Grok 4 fast, Grok 3
LM Studio
Llama 3, gpt-oss, qwen, ...
Baseten
OpenAI-compatible endpoint
Fireworks AI
OpenAI-compatible endpoint
MiniMax
OpenAI-compatible endpoint
ZenMux
OpenAI-compatible gateway
OpenAI
GPT-5, GPT-4.1, GPT-4o, ...
Ollama
gpt-oss, Llama 3, Phi-4, ...
OpenRouter
Includes 350+ Models
XAI
Grok 4, Grok 4 fast, Grok 3
LM Studio
Llama 3, gpt-oss, qwen, ...
Baseten
OpenAI-compatible endpoint
Fireworks AI
OpenAI-compatible endpoint
MiniMax
OpenAI-compatible endpoint
ZenMux
OpenAI-compatible gateway
OpenAI
GPT-5, GPT-4.1, GPT-4o, ...
Ollama
gpt-oss, Llama 3, Phi-4, ...
OpenRouter
Includes 350+ Models
XAI
Grok 4, Grok 4 fast, Grok 3
LM Studio
Llama 3, gpt-oss, qwen, ...
Baseten
OpenAI-compatible endpoint
Fireworks AI
OpenAI-compatible endpoint
MiniMax
OpenAI-compatible endpoint
ZenMux
OpenAI-compatible gateway
Anthropic
Claude 4, Claude 3.7, Claude 3.5
Groq
GPT-oss, Llama 3.2, ...
Perplexity
Sonar
TogetherAI
GPT-5, Grok, Llama, Mistral, ...
Apple Intelligence
Apple Foundation Model
Cloudflare AI Gateway
OpenAI-compatible gateway
Hugging Face
Inference Providers
Nebius Token Factory
OpenAI-compatible endpoint
Cerebras
OpenAI-compatible endpoint
Anthropic
Claude 4, Claude 3.7, Claude 3.5
Groq
GPT-oss, Llama 3.2, ...
Perplexity
Sonar
TogetherAI
GPT-5, Grok, Llama, Mistral, ...
Apple Intelligence
Apple Foundation Model
Cloudflare AI Gateway
OpenAI-compatible gateway
Hugging Face
Inference Providers
Nebius Token Factory
OpenAI-compatible endpoint
Cerebras
OpenAI-compatible endpoint
Anthropic
Claude 4, Claude 3.7, Claude 3.5
Groq
GPT-oss, Llama 3.2, ...
Perplexity
Sonar
TogetherAI
GPT-5, Grok, Llama, Mistral, ...
Apple Intelligence
Apple Foundation Model
Cloudflare AI Gateway
OpenAI-compatible gateway
Hugging Face
Inference Providers
Nebius Token Factory
OpenAI-compatible endpoint
Cerebras
OpenAI-compatible endpoint
Anthropic
Claude 4, Claude 3.7, Claude 3.5
Groq
GPT-oss, Llama 3.2, ...
Perplexity
Sonar
TogetherAI
GPT-5, Grok, Llama, Mistral, ...
Apple Intelligence
Apple Foundation Model
Cloudflare AI Gateway
OpenAI-compatible gateway
Hugging Face
Inference Providers
Nebius Token Factory
OpenAI-compatible endpoint
Cerebras
OpenAI-compatible endpoint
Gemini 2.5 Pro, 2.0 Flash, ...
DeepSeek
DeepSeek V3, R1, ...
Mistral
Pixtral Large, Mistral 7B, ...
Azure AI Foundry
GPT-5, GPT-4.1, ...
302.AI
OpenAI-compatible endpoint
DeepInfra
Llama, Qwen, Mixtral, ...
Moonshot AI
Kimi
Vercel AI Gateway
OpenAI-compatible gateway
Gemini 2.5 Pro, 2.0 Flash, ...
DeepSeek
DeepSeek V3, R1, ...
Mistral
Pixtral Large, Mistral 7B, ...
Azure AI Foundry
GPT-5, GPT-4.1, ...
302.AI
OpenAI-compatible endpoint
DeepInfra
Llama, Qwen, Mixtral, ...
Moonshot AI
Kimi
Vercel AI Gateway
OpenAI-compatible gateway
Gemini 2.5 Pro, 2.0 Flash, ...
DeepSeek
DeepSeek V3, R1, ...
Mistral
Pixtral Large, Mistral 7B, ...
Azure AI Foundry
GPT-5, GPT-4.1, ...
302.AI
OpenAI-compatible endpoint
DeepInfra
Llama, Qwen, Mixtral, ...
Moonshot AI
Kimi
Vercel AI Gateway
OpenAI-compatible gateway
Gemini 2.5 Pro, 2.0 Flash, ...
DeepSeek
DeepSeek V3, R1, ...
Mistral
Pixtral Large, Mistral 7B, ...
Azure AI Foundry
GPT-5, GPT-4.1, ...
302.AI
OpenAI-compatible endpoint
DeepInfra
Llama, Qwen, Mixtral, ...
Moonshot AI
Kimi
Vercel AI Gateway
OpenAI-compatible gateway
A Complete AI Writing
Toolkit for macOS.
Comprehensive Writing Tools
Access a complete suite of writing tools including grammar correction, language simplification, tone adjustment, translation, text summarization, and ChatGPT prompt enhancement - all in one place.
Custom Actions
Create personalized rewrite actions tailored to your needs. Build templates for emails, social media posts, or any writing task you frequently do.
Distraction-Free Interface
Experience a clean, minimal interface that focuses on results. No cluttered windows - just select text and watch it transform instantly.
Lifetime License Available
Choose our one-time payment option to use RewriteBar forever with OpenAI integration. No recurring fees - just a single investment in your writing success.
Quick Access Shortcuts
Boost your productivity with customizable keyboard shortcuts for instant access to any feature.
Lightweight Performance
At just 25 MB, RewriteBar is incredibly lightweight yet powerful. Enjoy smooth performance without impacting your Mac's resources.
Cutting-Edge AI Models
Leverage the latest AI technology including GPT-4 and GPT-4-mini for superior writing assistance and more accurate suggestions.
Multiple AI Providers
Choose from leading AI providers including OpenAI, Anthropic, and DeepSeek. Select the service that best fits your needs.
Enhanced Grammar Checking
Complement your existing grammar tools. RewriteBar works alongside other checkers to provide comprehensive writing improvement.
Multilingual Support
Write confidently in multiple languages including German, English, and Spanish. Unlike Apple Intelligence (as of Oct. 2024), RewriteBar supports a wide range of languages for global communication.
Direct AI Integration
Enjoy secure, direct communication with AI providers. Your text and API keys remain private - nothing is stored on our servers.
Local AI Support
Choose complete privacy with local AI models through Ollama integration. Keep your writing assistance entirely on your machine.
Frequently Asked Questions
Your Questions, Answered
Quick answers for this use case before you try it.
- Yes. RewriteBar helps turn rough status notes into concise investor updates with clearer structure and tone.
- Yes. Build one core draft, then use commands to shorten, adjust tone, and adapt it for social, email, and docs.
- Yes. RewriteBar works in any macOS app where text can be selected, including email apps, docs, Slack, and browser-based tools.
- Yes. Use Summarize and Extract Action Items to turn long notes into clear tasks and updates.
- No. Start with built-in commands, then add custom commands later for recurring founder workflows.
Write Founder-Grade Updates Faster
Download RewriteBar free and turn rough notes into clear updates, emails, and launch copy from any app.
Get 35,000 free credits • No credit card required • App size: 25 MB
