RewriteBar

RewriteBar | Your macOS Menu Bar AI Assistant in Any Application RewriteBar is a macOS app that boosts writing across any application by providing AI-powered grammar correction, style adjustments, translation, and more directly in-context. It supports multiple AI providers, works via a quick command menu, and emphasizes privacy with local and direct integrations. Compatible with macOS 13.0 (Ventura) or later on both Intel and Apple Silicon Macs.

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Overview

• Quickly fix grammar, spelling, and style without leaving your current app.
• Translate text in the current application and tailor tone for emails, social media, or work documents.
• Create custom rewrite actions and templates to speed up repetitive writing tasks.
• Access features from a single command menu or via customizable keyboard shortcuts.
• Works across all macOS applications, including browsers, editors, chat apps, and productivity tools.
• Choose from multiple AI providers and models, including OpenAI GPT-4o and others, with options for local/offline AI through Ollama.
• Lightweight (about 6–8 MB) and designed for privacy: no data is stored on servers, and you can use API keys locally.

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How to Use RewriteBar

1. Select text in any macOS app.
2. Trigger RewriteBar via the command menu or your configured shortcut.
3. Choose the action (grammar fix, rewrite tone, translation, summary, etc.) and apply changes.

Disclaimer: Requires a compatible AI provider key (OpenAI, Anthropic, etc.) for advanced features; some features may incur usage-based costs from the chosen provider.

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Features

• Works in any macOS application (no copy-paste required)
• Real-time grammar and spelling correction with context-aware fixes
• Tone adjustment for professional, casual, or punchy writing
• Instant translation into 30+ languages within the current app
• Custom rewrite actions and templates (emails, social posts, workflows)
• Text length transformation (summarize, expand, simplify)
• Enhanced prompts and better results from ChatGPT prompts
• Multi-provider AI support (OpenAI, Anthropic, Google and more)
• Local AI support via Ollama integration for privacy
• Customizable keyboard shortcuts and menu arrangement
• Lightweight, fast performance with minimal system impact

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AI Providers & Models

• Supports multiple providers including OpenAI GPT-4o, GPT-4o-mini, Anthropic Claude 3.5, Google, and more.
• Choose models per your needs (GPT-4o, Llama 3, Mistral, etc.).
• Option to run locally with Ollama for complete data privacy.

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Pricing & Licensing (Overview)

• Free trial with a limited number of corrections.
• One-time license available (local/offline options) or subscription plans depending on provider usage.
• API keys required for some configurations; usage charges apply depending on the AI provider.
• No Windows version; macOS-only product.

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Safety & Privacy

• No data stored on RewriteBar servers; text is processed by the selected AI provider.
• If using local AI, processing stays on-device.
• Requires macOS accessibility permissions to retrieve and replace the selected text in-app.

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Core Features Summary

• No sign-up required for basic use and cross-app functionality
• Grammar, spelling, tone, and style enhancements across any macOS app
• Instant translation and multilingual support (30+ languages)
• Custom rewrite templates and actions for common writing tasks
• AI provider flexibility (OpenAI, Anthropic, Google, etc.) with model selection
• Local/offline AI options via Ollama for privacy-conscious users
• Keyboard-driven workflow with a dedicated command menu
• Lightweight footprint and privacy-first design