8 Common Bad Grammar Examples and How to Fix Them in 2026
Learn to identify and fix 8 common bad grammar examples. From comma splices to misplaced modifiers, improve your writing with clear explanations and tips.
Mathias MichelMarch 28Use Cases
Custom Workflows.
For Every Role.
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Start with one focused page. Apply the same workflow anywhere you write.
Improving Prompt
Turn Rough Prompts Into Clear Instructions
RewriteBar helps you improve AI prompts in any app before you send them. Turn rough or voice-dictated text into clear instructions for ChatGPT, Gemini, and more.
View use caseDevelopers
Improve Developer Writing in Seconds
RewriteBar helps developers improve commits, PR text, SQL, and logs in any app. Select text, run a command, and paste the result without breaking flow.
View use caseDaily Writing
Fix Grammar and Tone in Any App
RewriteBar helps you fix grammar, adjust tone, and shorten or expand text in any app. Improve daily writing in Mail, Slack, Notion, and more.
View use caseNon Native English
Write More Natural English in Any App
RewriteBar helps non-native English speakers write clearer, more natural text in any app. Fix grammar, improve tone, and translate without breaking flow.
View use caseFounders
Turn Rough Notes Into Clear Founder Communication
RewriteBar helps founders turn rough notes into clear investor updates, launch posts, and customer communication in any app.
View use caseFaith And Church
Polish Sermons and Church Communication Faster
RewriteBar helps faith and church teams polish sermons, announcements, and outreach messages in any app with clearer tone and structure.
View use caseSmart Writing for Every Role
RewriteBar brings AI-powered improvements to any workflow — from debugging to storytelling.
Daily Writer
Founders
Developers
Product Managers
Merkteers
Students
Non-native Speakers
Pastors and Churches
Use Cases for Daily Writer
Fix Grammar & Punctuation
EditingHighlight your draft and fix all grammar errors.
Fix grammar & SpellingCorrect punctuation
Adjust Tone for Publication
ToneRewrite text to match formal, conversational, or editorial tone.
Adjust toneRewrite for clarity
Expand Short Paragraphs
ExpansionSelect a brief paragraph and expand it into a full section.
Expand textMaintain style
Summarize Research Notes
SummarizationTurn long reference material into a concise preparation summary.
Summarize textExtract key insights
Generate Catchy Headlines
CreativitySelect your topic or title and generate multiple headline options.
Generate title ideasMake engaging
Polish Articles & Blog Posts
EditingRewrite rough drafts for better flow and readability.
Polish writingSimplify phrasing
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Choose from 500+ models across 37+ AI providers - including local options like Ollama and Apple Intelligence.
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.
Everything you need to write faster, clearer, and smarter — all in one place.
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.
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More to Read
More Ways to Improve Your Writing
Read practical articles on grammar, clarity, dictation, and writing habits that fit these workflows.
Mathias MichelMarch 28
What CC in an Email Means A Guide for Modern Professionals
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