Four levels of a thorough correction
A good correction does not stop at typos: it smooths your wording on every level.
Spelling
Typos, capitalisation, and whether words are written together or apart, all corrected to current standards.
Grammar
Cases, tenses, references and sentence structure are adjusted so that every sentence is grammatically clean.
Punctuation
The AI sets commas, dashes and quotation marks according to the official rules.
Style & expression
Repeated words, nested sentences and filler words stand out, so that your text reads smoothly.
When is the AI enough, and when do you need a professional?
For a quick AI correction in between (an email, a forum post, a draft) our instant tool is ideal: paste your text, have the errors marked, done. AI models such as ChatGPT or DeepL Write have become strong, but according to our tool comparison they still miss 15 to 20 % of the errors.
For important texts (your bachelor's or master's thesis, a job application, a book) human proofreading is worth it. Our proofreaders at corrected.eu achieve a maximum error rate of 3 % and look at the levels where every AI fails: style, expression, consistency and semantic coherence.
How our professional proofreader works
1. Upload your document. Choose your file in .docx, .pdf, .odt or .rtf format, with no registration needed, so you can start your order straight away.
2. Choose your speed. Relaxed at standard speed with 5 days, quick as express in 48 h, or very urgent in 24 h. We also deliver at weekends and on public holidays.
3. A proofreader takes over. A suitable subject proofreader with at least 7 years of experience corrects your text by hand, not a purely machine-based correction.
4. Receive your corrected text. You get a Word file with tracked changes, so you can accept or reject each change individually.
Which texts is the service suitable for?
We proofread texts in German and English (UK and US English), from bachelor's theses, term papers and dissertations to job applications, novels and professional documents.
What does professional proofreading cost?
The AI correction in the tool above is free. The professional proofreading by a proofreader costs from €1.90 per standard page (1,800 characters including spaces). For more on how the page count is calculated, see our page count calculator. The final price depends on the delivery time (5 days / 48 h / 24 h) and the depth of correction, and you can find all prices in our shop.
More free AI tools
Related to this tool, or all of them in the overview.
Helpful combo scan
„Helpful combo scan. I ordered the plagiarism + AI scan and was able to correct several citations, and on the repeat scan the result came out at 0 %.“
Accurate results from the plagiarism and AI scan
„I have absolutely nothing to complain about. The results are satisfactory and completely comprehensible. Both the plagiarism and the AI scan gave accurate results. Although a technical error occurred during my second scan, I was helped promptly, even on a Saturday. All in all I am very satisfied and can warmly recommend the service!“
Combo scan in 2 minutes
„The combo scan arrived by email in 2 minutes, great!“
Frequently asked questions about the AI proofreader
Which AI proofreader is free?
The AI proofreader in the tool above can be used without registration and at no cost. Only the optional proofreading by a professional is paid: from €1.90 per standard page.
How reliably does the AI correct my text?
The AI finds the most common spelling, grammar and punctuation errors in seconds, but it misses 15 to 20 % of the errors and pays no attention to style. For flawless texts, a proofreader takes over (details in the tool comparison).
How much text can I have corrected at once?
In the free tool, up to 2,000 characters per run. For larger documents, simply upload a file for the professional proofreading, which has no length limit.
Are my texts stored?
No. The AI correction runs on local models in Germany, and your input is not stored permanently. File uploads are processed in line with the GDPR and deleted automatically after 7 days.
Is the AI check suitable for bachelor's and master's theses?
Yes for a first pass, but for submission we recommend professional proofreading. Our proofreaders specialise in academic texts: bachelor's, master's and diploma theses, dissertations and term papers. Read more on our bachelor's thesis page.
Do I need an account to place an order?
No, an account is not necessary. Once you have uploaded your file, you can complete the order straight away, with no registration or login. Your details are stored in line with the GDPR exclusively on servers in Germany.