
SentenceCheckup
Free Run-on Sentence Checker to eliminate sentence structure issues, run-on sentences, and sentence fragments.

Description
SentenceCheckup is an online tool utilizing advanced AI technology to help users refine their writing. It focuses on identifying and correcting complex sentence structure issues, primarily run-on sentences, sentence fragments, and comma splices that can confuse readers and disrupt the flow of text. The tool analyzes pasted text, highlighting errors related to grammar, punctuation, and sentence construction.
By suggesting corrections such as adding appropriate punctuation (commas, semicolons, periods), inserting necessary conjunctions (like 'and', 'but', 'although'), or splitting overly long sentences into shorter, clearer ones, SentenceCheckup aims to improve the overall readability and accuracy of the writing. It is designed to be accessible from any device and assists users in making their blog posts, academic papers, essays, and other written content grammatically sound and easy to understand.
Key Features
- Run-on Sentence Detection: Identifies sentences combining multiple independent clauses improperly.
- Sentence Fragment Correction: Detects and helps fix incomplete sentences.
- Comma Splice Repair: Finds and corrects instances where independent clauses are joined only by a comma.
- Punctuation Check: Suggests adding necessary punctuation like commas, semicolons, and periods.
- Conjunction Addition: Recommends adding conjunctions (e.g., and, but) for proper clause connection.
- Sentence Splitting: Advises breaking down long, complex sentences into shorter ones.
- Advanced AI Technology: Employs AI for enhanced accuracy in error detection and correction.
- Quick Check Functionality: Rapidly analyzes text and highlights mistakes.
- Free Usage: Completely free to use for checking sentences.
Use Cases
- Correcting run-on sentences in blog posts.
- Improving sentence structure in academic papers and essays.
- Refining writing clarity for professional communication.
- Assisting non-native English speakers with sentence construction.
- Proofreading text quickly for structural errors.
- Enhancing readability of website content or articles.
Frequently Asked Questions
How do you check if a sentence is a run-on?
A run-on sentence is a grammatically incorrect sentence where two or more independent clauses are combined without proper punctuation or conjunctions. For example, 'John went to the store he bought some apples' is a run-on. The corrected version could be 'John went to the store, and he bought some apples.'
What are the 3 types of run-on sentences?
The main types are: fused sentences (clauses joined with no punctuation), comma splices (clauses joined only by a comma), and polysyndeton (using too many conjunctions).
How can I check for fragment sentences online for free?
You can use Sentence Checkup’s free sentence checker tool to identify fragment sentences and correct them for better clarity.
How can I check if my sentence is correct or not?
Sentence Checkup’s free grammar checker allows you to check your sentences for grammatical errors and correct them with a single click.
What are the 5 rules to fix a run-on sentence?
Common ways to fix a run-on sentence include: using a period to create separate sentences, using a comma and an appropriate conjunction, adding a transitional word with proper punctuation, using a semicolon, or using a subordinating conjunction.
You Might Also Like

Command-G
FreeYour new copilot for Xcode.

AI Room and Home Interior Design
Usage BasedTransform Your Space with AI: Effortless Room & Home Interior Design at Your Fingertips!

Pepper Content
Free TrialThe AI co-pilot for enterprise marketers who want to drive growth through great content.

FacelessVideos.ai
FreemiumCreate viral, faceless videos for your YouTube and TikTok accounts in seconds.

AiBERT
PaidThe Genius WhatsApp BOT for ChatGPT & MidJourney