Academic AI Grammar Checker
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- Refine academic style
- Check spelling and grammar
- Review citation consistency
- For essays, theses and dissertations
- English writing support in the editor
- See our privacy and storage policy
Used by more than 70,000 students
Join more than 70,000 students using Mimir Mentor
Ready for a clearer next draft?
Try a passage before reviewing the whole draft
Paste a paragraph and start with the essentials
Paste up to 1,000 characters here, or try the example, then choose Check text to continue in the editor. For a longer draft, use the editor or upload a DOCX or PDF. Document checks have their own scope and purchase options.
Check citation consistency alongside your sentences
Review in-text citation formatting as well as language. Check names, dates and punctuation against your required style. A suggested correction does not verify that the source exists or supports your claim.
See a suggestion. Make your own decision.
Compare the proposed change with what you intended to say. An explanation can help you spot a repeated issue, but you should reject changes that alter a technical term or the strength of your claim.
Make your next draft easier to read.
Give a longer draft a structured review
Separate errors from editorial suggestions
Spelling and grammar issues are not the same as optional style improvements. Broader rewrites can address several issues at once. Review overlapping suggestions instead of adding their counts as distinct errors.
Keep the whole document in view
Look for consistent terminology, repeated wording and readable transitions. A document-level review can organize the work, but specialist vocabulary and the argument still need your judgment.
Language, source work and authorship are different checks
Correction improves expression. Source comparison helps you review attribution, while AI-writing indicators offer separate context. A clean language report does not establish that a paper is correctly sourced.
Support for different stages of academic writing
Your first steps in academic writing
Practice clear sentences and learn from explained suggestions. Follow your teacher’s rules and make sure you understand every change you accept.
Clearer essays and theses
Review essays, dissertations and theses one issue at a time: argument and sources first, language next, formatting last. Leave time to read the finished version yourself.
Discuss recurring writing issues
Use examples to discuss recurring language issues. A suggested edit can start a conversation about clarity without replacing subject-specific feedback.
Using academic correction
If your institution permits it, use correction after checking your argument and sources. Review one passage at a time, keep technical terms and cautious claims intact, and read the final draft yourself. Check whether you must disclose the assistance.
Your institution and assignment determine which tools are permitted. Check the rules before using AI, keep responsibility for your argument and sources, and disclose assistance where required. Permission to correct spelling does not automatically include permission to generate or rewrite content.
You can review passages from essays, reports, theses and other academic texts. Check terminology, disciplinary conventions and your required style yourself. Full-document scan support and limits are shown in the app.
A basic checker focuses on common spelling and grammar patterns. Mimir also offers academic phrasing and revision tools in the same workspace. Which suggestions are useful depends on your text; no tool catches every issue.
Yes. Both the editor and the full-document check support English. For a longer draft, upload an English DOCX or PDF, then review the suggestions and explanations. Check specialist terminology yourself.
Mimir can help identify citation-related consistency issues. That does not confirm that a source exists, supports a statement or complies with every local style variation. Verify the original and your department’s guide.
Yes. You can use rephrasing options to make a sentence clearer or more academic. Compare the meaning carefully: a revision must not turn a cautious association into a causal claim or add information your source does not support.
A dedicated editor keeps your text and focused correction tools together. You can compare and review changes in context instead of repeatedly moving passages between prompts. You remain responsible for checking the result.
Free editor access is subject to its current usage limits. Premium allowances and document scans have separate scope and purchase options. Check what is included in the app before paying; a free text check does not mean an unlimited full-document scan.
The overview and complete scan can expose different levels of detail. Read the scope shown before purchasing a document scan rather than assuming that a headline score includes every individual finding.
You can start with the free features. Premium access and document scans have separate limits and purchase options. Check the price and scope displayed before confirming a purchase; see our plans for subscription details.
Privacy and saved reports
Your text is not published or added to a plagiarism database by running a check. Editor projects and reports can be stored in your account. Read our privacy policy for processing, storage and deletion details.
Running a private check does not publish your work or turn it into self-plagiarism. Reusing text from an earlier submission can still require permission or a citation under your institution’s rules.
Reports can remain available in your account after the scan. Availability, rechecks and original-file retention follow the conditions shown for your purchase. Export anything you need to retain independently.