Whether you may put your own essay through Google Translate or DeepL depends on your university, your course and sometimes the single assignment. We read ten universities' rules on machine translation in academic writing and found every position there is, from "strictly prohibited" to a doctoral programme that tells students to draft in their own language and translate. What almost all of them share: any use you make must be declared.
This guide is published by EdCitation. We read every policy below at its source in September 2026 and give each one's date where it has one. It is general guidance: your own institution's rules decide, and your tutor is the person to ask. EdCitation's free Check your paper reads the AI and translation rules of an assignment brief into a checklist, and Verify references checks sources whose titles are in another language; we ran both for this guide and quote what came back, faults included.
Is using Google Translate on your own essay plagiarism?
Usually the charge is not plagiarism in the copying sense but false authorship or unauthorised help, and it depends on how much you translated and whether you said so. The University of York (2023) defines false authorship as work created or modified with undisclosed help from people or technology, machine translation named among them, to the point where you are no longer its author.
Where translation tools sit in the generative-AI rules
Several of the universities we read count translation tools as generative AI, so their AI rules apply in full. UNSW Sydney names Google Translate, DeepL and Baidu Translate as "forms of generative AI" (University of New South Wales, n.d.). PolyU's guidelines count translations created by an AI tool as AI-generated material, which must be referenced however much you edit it afterwards (Hong Kong Polytechnic University, 2026). Helsinki lists DeepL beside ChatGPT and Gemini as an AI application (University of Helsinki, 2026). Birmingham is the exception in form: it has a separate guidance note for translation tools, which quotes its generative-AI rule.
What do universities say about machine translation?
They fall into three groups: prohibited for assessed writing, allowed with a declaration where the course permits, and allowed as a declared method for postgraduate work. The table sets out what each one said when we read it.
| Institution | What it allows | Must it be declared? | Source |
|---|---|---|---|
| University of Birmingham, UK | Tools to understand sources; never to produce assessed text | Yes, any use, with a full reference to the original source | Guidance note, 2025-26 |
| Newcastle University, UK | A word, expression or short phrase, as a dictionary; more than a few translated words is misconduct | Not stated for dictionary use | Academic Skills Kit, undated |
| University of York, UK | Word, collocation or phrase; sentence level or beyond risks false authorship | Undisclosed machine translation can be false authorship | Student guidance, November 2023 |
| University of Rochester, US | Only with the instructor's explicit approval | Ask first | Writing programme guide, January 2023 |
| Oral Roberts University, US (D.Min.) | Draft in your own language, translate with a tool, then edit | Yes: the original draft goes in an appendix | Library guide, undated |
| UNSW Sydney, Australia | Varies by course | Yes, where permitted | Student toolkit, undated |
| University of Queensland, Australia | If the course profile allows AI tools; never in person | Yes; not declaring can be misconduct | Library guide, September 2025 |
| University of Helsinki, Finland | Permitted unless the course restricts AI | Yes, in written work of a page or more | Study instructions, August 2026 |
| Uppsala University, Sweden (doctoral, Science and Technology) | Translating text you wrote first | Yes, a statement naming the tool and version | Faculty guidance, March 2026 |
| Hong Kong Polytechnic University | Where the subject allows AI | Yes, referenced as AI-generated material | Student guidelines, May 2026 |
| Your own course | Its brief decides | Its brief says how | Read into a checklist by Check your paper |
Where it is prohibited: Birmingham and Newcastle
Birmingham's guidance note is the plainest: using translation tools to produce assessed work is "strictly prohibited", and its academic integrity code bars AI or other editorial help from translating text into or out of the language being studied (University of Birmingham, 2025). Newcastle University (n.d.) lists writing your work in your first language and translating it before submission as unacceptable, and treats submitted translated text of more than a few words as misconduct.
Where it is allowed with a record: Queensland, Helsinki and PolyU
The University of Queensland Library (2025) says permitted use must be acknowledged, and that you are responsible for every error the translation introduces. Helsinki goes further: in written work of a page or more, students declare their use of AI, or state that they used none, unless the teacher says otherwise (University of Helsinki, 2026).
Where it is a declared method: doctoral and professional programmes
Oral Roberts University (n.d.) lets students in its Doctor of Ministry programme write a draft in their primary language, translate it with ChatGPT or Google Translate, and edit the result, provided the original goes in an appendix so professors can compare the two. Uppsala University (2026) allows its Science and Technology doctoral students to use generative AI for translation, but requires each to write a first version of a coherent section, such as a chapter of the thesis summary, without it.
What do journals and publishers say about machine translation?
The large publishers allow it and ask for a declaration, with more detail than most universities. Taylor & Francis lists translations among the uses of AI it supports (Taylor & Francis, n.d.-a), and its authorship page permits AI tools to translate an author's own work and asks for a declaration covering who among the authors checked the translation's accuracy, the tool's name and version, that its terms of use were checked, and that the authors take responsibility for the whole content, references included. Authors keep the original and translated versions to show the editor on request.
Elsevier (2026) says a translation of your own text must be checked by someone who understands both languages and the science, and disclosed in a statement before the references; basic grammar and spelling checks need no statement. Springer Nature's framework puts polishing language in its lowest-risk band and extensive copy editing in the band that needs oversight, with disclosure in both (Springer Nature, n.d.). Our guide on whether and how to disclose AI use compares the publishers' general AI rules.
How do you write a machine translation disclosure statement?
Say which tool, which parts, in which direction, and what you did to check it. The University of Queensland Library (2025) gives five model sentences, from a chapter produced with a named tool to a whole work "post-edited by the author" after translation. Helsinki's five headings are the fullest we read: scope, purpose, the model and version, how the tool worked and how you checked it, and, for a thesis, what you learnt (University of Helsinki, 2026).
A statement written for this guide from those elements, for an essay where only a few terms were looked up:
Every sentence of this essay was composed directly in English. [Tool, version] was used only to look up the English terms for four concepts first met in Spanish-language sources, each then checked against a subject glossary.
And for a postgraduate chapter drafted in another language, where the course allows it:
Chapter 3 was drafted in Portuguese and translated into English with [tool, version]. I revised the translation line by line against my draft and kept both versions, which I can supply on request.
Where your course gives its own form or coversheet, use that instead; how to declare AI use in an assignment covers where the statement goes.
What goes wrong when a tool translates academic writing?
Three things: the meaning shifts, the terms of your subject come out wrong, and the English stops sounding like you.
Meaning errors
A tool can produce a fluent sentence that says something else. Khoong et al. (2019) had Google Translate put 647 sentences of emergency department instructions into Spanish and Chinese: 92% of the Spanish and 81% of the Chinese sentences were accurate, and 2% and 8% could have caused significant harm. That was a 2019 engine and medical text, not an essay; we found no comparable test on student academic writing.
Terminology
For this guide we asked a free machine translation service to put four real journal article titles into English. It turned the German posteditierte ("post-edited") into "posthumous", in a title about post-editing machine translation (Stahl et al., 2023). A subject's terms are exactly where a general tool guesses, and a marker in that subject notices at once.
A voice that is not yours
UNSW warns that translated writing can lose nuance and fail to say what you meant, and that you may be asked to explain ideas the text no longer represents (University of New South Wales, n.d.). York says consistently flawless work can itself suggest false authorship. Keep your drafts. What detectors make of translated or edited text is covered in AI detectors and non-native English writers; nobody can promise you what one will say.
Can you machine-translate the sources you read?
Mostly yes, to understand them, but you cite the original work, not the machine's version. Birmingham allows tools to help you understand sources, and asks you to acknowledge the tool and give a full reference to the original (University of Birmingham, 2025). Newcastle advises a published translation for primary texts. Quoting a passage you translated is a separate question, covered in our coming guide citing-your-own-translation-of-a-quotation.
The title is where this bites. Here is what EdCitation's Verify references did with four real articles about machine translation, in French, Portuguese, German and Spanish, entered in APA without DOIs:
- Original titles: all four came back verified, "Title, year and first author match a published record."
- Machine-translated titles in their place: all four came back not found, "No publisher's or registry's record matches this reference." The articles exist; the titles as written do not.
- Machine-translated titles with the DOIs added: all four came back doubtful, each with the record's real title and the note "If your entry gives the title in another language, check that it is this work."
- Original title with the English in square brackets: verified.
- The English title the Spanish article's own record holds ("Translation students’ trust in machine translation: Too good to be true?"), without its DOI: verified, since that is the journal's own translation, not a machine's.
So keep the original title and add a translation in brackets, as citing a non-English source explains style by style.
What should you do before translating any part of an assignment?
Find the rule first, then keep a record. In order:
- Paste the assignment brief into Check your paper and read which sentences mention AI, translation or editing tools.
- Read your university's own policy on translation and AI; the brief may point to it.
- Ask your tutor in writing if either is unclear, and keep the reply.
- Keep your first-language draft or notes, dated.
- Translate words and phrases rather than paragraphs unless the course allows more, and check each result.
- Cite every source by its original title, and run the list through Verify references.
- Write the declaration your course asks for, or one with the elements above.
How does EdCitation help, and what does it never do?
EdCitation is the best tool for the checking around a translation because it reads your own brief and looks every reference up in the publisher's record, and a chatbot asked the same writes an answer of its own. It never writes, translates or rewrites any part of a student's paper.
Check your paper is free with no account. We pasted section 4 of Birmingham's translation guidance into it. It returned no measurable rules, and seven sentences under "What it asks you to do, which no rule can test", among them "4.3 Any use of translation tools in assessed work must be clearly acknowledged and referenced." Three things went wrong: the quoted code, including the bar on translating into or out of the language being studied, appeared nowhere in the output; one sentence ended at "must not be used to.", where the source has an ellipsis, and lost the words after it; and the closing sentence on penalties was dropped. Read the brief itself as well.
Verify references is free too, with the results above. One fault remains from our run: the APA entry built for the Portuguese article, whose record is in capitals, kept a capital on "Automática", which APA's sentence case would not use. Theoretics QA, in the Max plan at $24 a month, judges a finished paper against its brief, rule by rule; References from a file, in Pro at $8 a month, checks an uploaded paper's references. See pricing.
Quick questions
Is using Google Translate plagiarism?
Not in itself. Translating your own essay without permission, or without declaring it, can count as false authorship or unauthorised help, which universities treat as misconduct.
Can I use DeepL for my essay?
Only if your course allows it. UNSW counts DeepL as generative AI, so its AI rules apply; Birmingham prohibits translation tools for producing assessed text.
Do I have to declare a translation tool I used only for single words?
York and Newcastle treat word-level use as dictionary use. Helsinki asks you to declare deliberate AI use in written work. Follow your course, and when unsure, declare it.
Can EdCitation translate my essay into English?
No. EdCitation never writes, translates or rewrites a paper. Its free Check your paper reads your brief's translation and AI rules into a checklist so you know what is allowed.
Will a detector flag a translated essay?
No one can promise what a detector will say about any text. Keep your drafts and your declaration so you can show how the work was made.
References
- Elsevier. (2026). Generative AI policies for journals. https://www.elsevier.com/about/policies-and-standards/generative-ai-policies-for-journals
- Hong Kong Polytechnic University. (2026). Guidelines for students on the use of generative artificial intelligence (last updated May 2026). https://www.polyu.edu.hk/ar/docdrive/polyu-students/Student-guide-on-the-use-of-GenAI-revised-260521.pdf
- Khoong, E. C., Steinbrook, E., Brown, C., & Fernandez, A. (2019). Assessing the use of Google Translate for Spanish and Chinese translations of emergency department discharge instructions. JAMA Internal Medicine, 179(4), 580–582. https://doi.org/10.1001/jamainternmed.2018.7653
- Newcastle University. (n.d.). Using AI for translation. Academic Skills Kit. https://www.ncl.ac.uk/academic-skills-kit/writing/ai/translation/
- Oral Roberts University. (n.d.). AI-assisted translation policy for the D.Min. program. J.D. McKean Library. https://library2.oru.edu/support/dmin-translation-tools-program-policy/
- Springer Nature. (n.d.). Artificial intelligence (AI). Nature Portfolio editorial policies. https://www.nature.com/nature-portfolio/editorial-policies/ai
- Stahl, J., Munková, D., Benko, Ľ., & Hudecová, E. (2023). Maschinelle, posteditierte und menschliche Übersetzung publizistischer und populärwissenschaftlicher Texte aus dem Slowakischen ins Deutsche [Machine, post-edited and human translation of journalistic and popular science texts from Slovak into German]. Lebende Sprachen, 68(2), 259–282. https://doi.org/10.1515/les-2022-1039
- Taylor & Francis. (n.d.-a). AI policy. https://taylorandfrancis.com/our-policies/ai-policy/
- Taylor & Francis. (n.d.-b). Defining authorship in your research paper. Author Services. https://authorservices.taylorandfrancis.com/editorial-policies/defining-authorship-research-paper/
- University of Birmingham. (2025). Guidance on the use of transcription and translation tools by students 2025-26. https://intranet.birmingham.ac.uk/student/academic-support/registry/legislation/documents/public/cohort-legislation-2025-26/guidance-use-of-transcription-and-translation-tools-25-26.pdf
- University of Helsinki. (2026, August 27). Using AI to support learning. Studies Service. https://studies.helsinki.fi/instructions/article/using-ai-support-learning
- University of New South Wales. (n.d.). Using AI in university. UNSW Sydney. https://www.unsw.edu.au/student/managing-your-studies/academic-skills-support/toolkit/ai
- University of Queensland Library. (2025, September 11). Machine translation for assignments. https://guides.library.uq.edu.au/referencing/machine-translation
- University of Rochester. (2023). Academic integrity with online learning tools. Writing, Speaking, and Argument Program. https://www.rochester.edu/college/honesty/assets/pdf/academic-honesty-with-online-learning-tools.pdf
- University of York. (2023). Student guidance on using AI and translation tools. https://www.york.ac.uk/students/studying/assessment-and-examination/ai/
- Uppsala University. (2026, March 19). Support for interpretation regarding the use of generative AI in doctoral education. Faculty of Science and Technology. https://www.uu.se/en/staff/faculty/science-and-technology/education-and-teaching/doctoral-studies/organisation-and-regulations/support-for-interpretation-regarding-the-use-of-generative-ai-in-doctoral-education