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Free Preposition Checker

Check your writing for accurate use of prepositions. Our preposition checker ensures your text is polished and error-free.

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What you need to know about prepositions

What is a preposition?

A preposition is a word that shows the connection between a noun or pronoun and other words in a sentence. For example: "to," "of," "for," "at," and "with."

Product Image showing a possible confused preposition mistake
Product image showing confused preposition

Why use a preposition checker?

Incorrect usage of prepositions results in unclear and unprofessional writing. ProWritingAid's preposition checker corrects errors and improves your writing to save you time proofreading.

Feel more confident in everything you write

Join over 3 million authors, students, and professionals improving their writing.

I am continually impressed with the positive input this program offers me every time I sit down to write. My skills have improved immensely since I bought it, and I heartily recommend it to anyone who wants to have more confidence in their own writing.

I’ve tried every free and paid writing/editing/grammar extension out there, and this by far is the best one my team and I have found. It’s fast, accurate, and really helps improve your writing beyond simple grammar suggestions.

ProWritingAid has been a resource in my writer toolkit for many years. The program helps me to craft and clarify my stories for a better reader experience. Your editor will thank you for making their job easier.

Improve your writing skills

ProWritingAid does more than fix preposition errors; it offers other benefits too.

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Fix grammar and spelling errors

ProWritingAid detects and corrects grammar and spelling mistakes, so you can write faster and more accurately.

Get style tips

Your writing may not have grammar mistakes, but it can still be hard to read. ProWritingAid's style suggestions improve readability, so your text is understood clearly.

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Rephrase sentences

Get suggestions to rewrite text using Rephrase. Choose from seven different options to rephrase your writing, including Standard, Fluency, Formal, Informal, Sensory, Shorten and Expand.

Works in all your favorite writing apps

Access all ProWritingAid's features directly in your writing app of choice.

Preposition Checker FAQs

1. Does ProWritingAid autocorrect?

ProWritingAid offers suggestions and recommendations to help you identify and fix writing errors, such as incorrect prepositions. However, the choice to accept or ignore these suggestions is entirely yours.

2. Can I fix preposition mistakes in emails and on social media?

You can indeed. Our browser extensions work across most websites and online apps, including Gmail, LinkedIn, and Google Docs.

3. How can ProWritingAid help?

ProWritingAid is your all-in-one writing tool to address a variety of writing concerns. It corrects punctuation, spelling, and grammar, and includes advanced AI features that help you rewrite, continue, and analyze your writing.

4. Is ProWritingAid's preposition checker free?

You can edit up to 500 words at a time with a free account. If you want to edit larger documents, you’ll need to upgrade. You can find more information on our pricing page.