iGrammar writing tool
Free AI Sentence Checker
Check grammar, spelling, punctuation, clarity, and sentence structure in one place. Paste a sentence, review practical suggestions, and apply the changes you want. Use the focused editor for a quick first pass, then review each suggestion in context before you copy the version that fits your meaning and audience.
No account is required for the web editor. Review every suggestion before using it.
How to use the sentence checker
- 1
Paste your sentence or draft.
- 2
Run the focused iGrammar check.
- 3
Review, apply, or copy the result.
See a sentence checker example
The example below shows the kind of improvement to review—not a promise that every text will receive the same changes.
Before
The project team are finishing the report, and they plans to send it tomorrow
After
The project team is finishing the report, and they plan to send it tomorrow.
Subject-verb agreement
Team is treated as a singular group in this sentence.
Pronoun agreement
They plan matches the plural pronoun they.
Punctuation
A full stop completes the sentence.
What this checker looks for
Who uses it?
Tips for better writing
- Keep one main idea per sentence when clarity matters.
- Read the subject and verb together to catch agreement errors.
- Use punctuation to show where one complete thought ends.
- Read the sentence around every highlighted suggestion before applying it.
- Keep names, product terms, and specialist vocabulary when they are intentional.
- Use the focused checker first, then use the broader editor for a final pass.
- Copy the corrected version only after checking that the meaning is unchanged.
Frequently asked questions
What can the sentence checker find?
It can identify grammar, spelling, punctuation, agreement, clarity, and word-choice problems in the sentence you provide.
Can I check one sentence without signing up?
Yes. The web editor lets you paste a sentence and review the result without creating an account.
Does it rewrite my sentence automatically?
The grammar checker preserves your wording where possible and shows corrections. Use the rewrite tool when you want a broader rephrasing.
Will the focused checker change my meaning?
It is designed to preserve your meaning while highlighting likely grammar, spelling, punctuation, clarity, or context issues. Review the suggested result before applying it.
Can I use this checker without an account?
Yes. You can paste text into the web editor and run a check without creating an account. The available free-credit balance is shown in the editor.
What should I do after the result appears?
Read the explanation, apply only the changes you agree with, and copy the final text. For a broader rewrite, use the paraphrase or tone tools in the same workspace.
Can I check more than one sentence?
Yes. The editor accepts longer drafts, although focused checks work best when the text matches the page's intended writing context.
How iGrammar helps
iGrammar keeps the input, focused context, suggestions, explanations, and corrected output in one workspace. You decide which changes to apply and can continue with rewriting, summarizing, tone improvement, or another focused check.
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Open toolReady for the next draft?
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Run another focused check in the browser, or choose a supported app or extension for writing beyond this page.