Skip to tool

Free Punctuation Checker

Fix missing commas, periods, apostrophes, and other punctuation errors with AI — designed for non-native speakers.

★★★★★ 4.8/5·Free · No signup·Used by 10K+ writers

Try it free — no signup needed

See the Difference

Before

However I think we should proceed because its the right thing to do.

After

However, I think we should proceed because it's the right thing to do.

Before

The managers report was clear concise and well written.

After

The manager's report was clear, concise, and well-written.

Before

Dear Sir I am writing to inform you that the project which was due last week has been completed

After

Dear Sir, I am writing to inform you that the project, which was due last week, has been completed.

How It Works

1
📋

Paste Your Text

Type or paste your text into the editor above. Up to 500 characters in the free tool.

2

AI Processes It

Our AI analyzes your text for improvements and generates a polished version in seconds.

3

Copy & Use

Copy the improved text with one click. Install the extension for unlimited use on every website.

Why Use This Tool

Comma Placement

Adds missing commas after introductory phrases, in lists, and between clauses.

📝

Apostrophe Fixes

Fixes possessives (manager's) and contractions (it's vs its) — a common ESL challenge.

🎯

Context-Aware

Uses AI to understand sentence structure and add punctuation where it naturally belongs.

🌍

ESL-Optimized

Trained on common punctuation mistakes from non-native English speakers across different language backgrounds.

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

FeatureFluentEditorGrammarlyQuillBot
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.

Frequently Asked Questions

What punctuation errors does it fix?
It fixes missing commas, periods, apostrophes, semicolons, colons, hyphens, and more. It also corrects common mistakes like confusing its/it's and your/you're.
Is the punctuation checker free?
Yes! Try it 5 times per day without signing up. Create a free account for 200 checks per month.
Does it handle Oxford commas?
Yes, FluentEditor adds Oxford commas in lists by default, following standard American English conventions.
Can it fix punctuation in emails?
Absolutely! You can paste your email text here, or install the Chrome extension to get real-time punctuation fixes in Gmail and other email clients.

More Free Writing Tools