Comma Checker
Fix missing commas, comma splices, and incorrect comma placement. Every fix comes with an explanation so you learn the rules.
Try it free — no signup needed
See the Difference
Before
After eating the dog went for a walk.
After
After eating, the dog went for a walk.
Before
I need to buy eggs milk bread and butter from the store.
After
I need to buy eggs, milk, bread, and butter from the store.
Before
The report which was due on Friday has been submitted however there are still some issues.
After
The report, which was due on Friday, has been submitted; however, there are still some issues.
How It Works
Paste Your Text
Type or paste your text into the editor above. Up to 500 characters in the free tool.
AI Processes It
Our AI analyzes your text for improvements and generates a polished version in seconds.
Copy & Use
Copy the improved text with one click. Install the extension for unlimited use on every website.
Why Use This Tool
Finds Missing Commas
Detects where commas should be added — after introductory phrases, in lists, and between clauses.
Fixes Comma Splices
Catches comma splices (two sentences joined by just a comma) and suggests proper fixes.
Explains the Rules
Each fix includes a brief explanation of which comma rule applies, so you learn as you go.
Oxford Comma Support
Handles both Oxford comma (a, b, and c) and non-Oxford styles based on your preference.
Who Is This For?
Students
Professionals
ESL Speakers
Content Writers
What Users Say
“Finally a tool that understands non-native English! My emails sound so much better now.”
Priya S.
Software Engineer
“I use this before every important email. The suggestions are always natural and professional.”
Yuki T.
Product Manager
“Way better than Grammarly for my needs. It catches mistakes other tools miss.”
Carlos M.
Marketing Lead
FluentEditor vs Other Tools
| Feature | FluentEditor | Grammarly | QuillBot |
|---|---|---|---|
| Built for Non-Native Speakers | ✅ | ❌ | ❌ |
| Free to Use | ✅ 200/mo | ❌ 5/day | ✅ Limited |
| Catches ESL Patterns | ✅ | ❌ | ❌ |
| Explains Corrections | ✅ | ✅ (Premium) | ❌ |
| Chrome Extension | ✅ | ✅ | ✅ |
| Works on 40+ Sites | ✅ | ✅ | ❌ |
| No Account Required | ✅ 5/day | ❌ | ✅ |
| Pattern Tips for Learning | ✅ | ❌ | ❌ |
Fix Writing Everywhere
Install FluentEditor for Chrome and get AI writing help on Gmail, LinkedIn, GitHub, Slack, and 40+ sites.