RewriteBar

Improve your writing in any macOS application with AI assistance.

Freemium

Description

RewriteBar is an AI writing assistant designed specifically for macOS users. It integrates directly into any application, allowing users to enhance their writing without interrupting their workflow. By simply selecting text and using a keyboard shortcut, users can access a command menu to perform various actions like correcting grammar and spelling mistakes, adjusting the writing tone to suit different contexts (professional, casual, etc.), simplifying complex sentences for better clarity, or instantly translating text between over 30 languages.

The tool supports multiple leading AI providers, including OpenAI, Anthropic, Mistral, and even local models via Ollama integration for enhanced privacy. RewriteBar offers customization options like personalized shortcuts and command management. It emphasizes a distraction-free experience and lightweight performance, ensuring it doesn't slow down your system while providing powerful AI writing capabilities directly within your favorite apps like Slack, Notion, Word, browsers, and code editors.

Key Features

Grammar & Spelling Correction: Instantly fixes errors contextually.
Writing Tone Adjustment: Adapt writing style for professional emails, casual chats, or marketing content.
Instant Translation: Translate text in-app across 30+ supported languages.
Simplify Complex Writing: Turn complicated sentences into clear, concise text.
Custom Actions: Create personalized rewrite actions and templates.
Text Length Transformation: Summarize, explain, or expand text easily.
ChatGPT Prompt Enhancement: Improve prompts for better AI results.
Works in Any macOS Application: Use AI assistance seamlessly across all apps without copy-pasting.
Multiple AI Provider Support: Choose from OpenAI, OpenRouter, Ollama, Anthropic, Together, xAI, Mistral, Groq.
Local AI Support: Option to use local AI models via Ollama for complete privacy.

Use Cases

Correcting grammar and spelling errors in emails and messages.
Simplifying technical language for broader audiences.
Adjusting writing tone for professional communication or social media.
Translating messages or documents without external tools.
Creating reusable templates for common writing tasks.
Summarizing long texts for quick understanding.
Expanding brief notes into detailed paragraphs.
Improving prompts sent to ChatGPT or other LLMs.
Assisting non-native speakers in writing natural-sounding English.
Enhancing developer documentation or code comments.

Frequently Asked Questions

How does RewriteBar work?

Select text in any macOS application, activate RewriteBar via a shortcut, choose an action (like 'Fix Grammar' or 'Translate'), and the selected text is automatically replaced with the AI-processed version using the macOS clipboard and accessibility features.

Is RewriteBar safe to use?

Yes, the app prioritizes privacy. It does not store your text data; content is sent directly to the chosen AI provider (or processed locally with Ollama). API keys are handled securely.

Can RewriteBar be used in any app and webpage?

Yes, RewriteBar works system-wide across macOS applications, including browsers (Chrome, Brave), writing tools (Notion, Word, Google Docs), communication apps (Slack, Teams, Discord), development tools (VS Code, Xcode), and more.

Is there a free trial?

Yes, you can try RewriteBar for free with a limit of 100 requests (corrections/actions).

What is the difference between the subscription and the one-time license?

The subscription plan includes usage of RewriteBar's AI service (up to 3 million words) for a monthly or annual fee. The one-time license requires you to use your own API key from an AI provider (like OpenAI, Anthropic) and pay for usage directly through them.