AI Grammar Fixer
Corrections only. Your sentences come back with their commas in the right place and their voice still intact.
FreeNo sign-upPaste and fix
Fill in the fields and press Generate. The output streams in here and stays in your browser.
Most grammar tools do two jobs at once and do the second one badly. They correct the comma, then rewrite the sentence around it, and you end up with prose that is technically clean and no longer yours. The correction was the thing you asked for. The rewrite is a decision you did not authorize.
Use it on anything that has to be correct and still sound like you wrote it: a report before it reaches a client, an application, a chapter, a message written in your second language. Paste the text, pick a style variant, and turn on the change list when you want to learn what was wrong rather than just have it fixed.
What the grammar fixer gives you
01Corrections only, and never a full rewrite
Edits are limited to errors and style inconsistencies. Sentences that are merely plain come back untouched, which is what keeps the output recognizably yours when you read it back. A corrected sentence should still be your sentence.
02A change list, if you want one
Every edit appears as original, corrected and reason. Useful when the document is going to a client, and more useful when you would rather stop making the same mistake next month. It also shows which mistakes repeat.
03A single style variant, applied throughout
American or British spelling, punctuation and date format, applied consistently. Mixed variants are the most common error in documents that several people have edited, and they take a single pass to fix. The mix is also the clearest sign of a shared file.
04Voice and dialect are preserved intact
Deliberate fragments and dialogue in dialect survive the pass. A fragment in a novel is a choice rather than an error, and fiction comes back with its rhythm intact instead of tidied into blandness. Tidying a fragment is an edit nobody asked for.
When to use it
Editing without rewriting
You already have the text; it is just doing three jobs at once. Rewrite, tighten or retone it while keeping your facts and your meaning intact.
Hitting a length you did not choose
A bio gets 150 characters. A meta description gets 155. An abstract gets 250 words. Cut or expand to the number the form actually allows, rather than trimming blindly.
Making dense text usable
Meeting notes, reports and long threads usually need to become bullets, a summary or a set of action items. Convert the shape instead of rereading it five times.
How it works
- 1
Paste up to a couple of pages
Longer text gets uneven attention, and the change list becomes impossible to read. A document is better fixed in sections, with the list switched on for each one.
- 2
Pick the style, not the language
American and British are different rule sets for quotation marks, dates and spelling. Choose the one your reader expects, not the one you were taught at school.
- 3
Turn on the change list
If you are learning, or the document is important, list what changed. It is the difference between a corrected text and a corrected habit, and it takes one extra click.
Frequently asked questions
Does the grammar fixer change my meaning?
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It is instructed to change only errors and to leave facts, numbers and qualifiers alone. The remaining risk is ambiguity: where a sentence could mean two things, the tool is told not to guess and to flag it instead. Read anything it flags and make the call yourself.
American or British English — which should I choose?
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Whichever your reader expects. American for US clients and most web writing, British for UK, Irish and Australian audiences. Consistency within a single document matters more than which variant you settle on. Mixed spelling is the error readers notice first.
Can it fix a whole document?
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A couple of pages per run works well. Longer documents get uneven treatment and the change list becomes unwieldy. Fix it section by section, keeping the same style selected throughout so the variants do not drift. Start the next section from a clean copy.
Will it catch comma splices and run-on sentences?
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Yes, those are grammar errors rather than style preferences, so they get corrected and listed. It will not restructure a paragraph to fix them. If a run-on needs splitting into three sentences, that is the sentence rewriter’s job. Splitting is a rewrite, and rewrites are not what this tool does.
Will it rewrite sentences it thinks are weak?
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No. Plain, short and unfashionable sentences are left alone. The tool intervenes only where a rule is broken or a style is inconsistent, which is why the output keeps your rhythm instead of flattening it. Plain sentences come back exactly as they went in. That restraint is the whole point of a proofreading pass.
Is it useful for non-native writers?
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It is one of the better uses, especially with the change list on. Articles, prepositions and tense consistency are what it catches most reliably, and the reasons beside each change are what make the correction stick next time. It is the fastest way to spot a pattern you never noticed.
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