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AI Detector for the Netherlands, built for TU Delft, UvA, and Leiden.

Pre-scan your scriptie, bachelor thesis, or master thesis before Turnitin sees it through the university LMS. Calibrated for international English used at WO research universities and English-medium master programmes, GDPR and UAVG compliant for the AP-aware Dutch procurement bar. AI-detector voor Nederlandse schrijvers. Free to try. No card. Your first scan in about six seconds.

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Netherlands in 2026

Why AI detection became urgent in Dutch higher education.

Dutch higher education has moved fast on AI integrity. By the start of academic year 2024-2025 most WO research universities had published written guidance on generative AI in coursework, and that guidance has tightened across 2025 and 2026. The pattern across faculties is consistent: disclosure is required when AI tools are used, undisclosed use for graded work is treated as fraud, and Turnitin is the most common institutional check.

Surveys from 2025 put Dutch undergraduate ChatGPT use during a given semester in the 70 to 80 percent range, in line with UK and German numbers. Supervisors know this and calibrate accordingly. The volume has created its own dynamics: module coordinators started assuming AI was in every submission, not as exception but as baseline.

1. Ministerie van OCW, NVAO, and Universities of the Netherlands built the policy spine

The Ministerie van OCW (Onderwijs, Cultuur en Wetenschap) coordinates higher-education policy at the national level. NVAO handles accreditation, Universities of the Netherlands (formerly VSNU) coordinates the WO research universities, and KNAW (Koninklijke Nederlandse Akademie van Wetenschappen) frames research-integrity expectations. By early 2026, TU Delft, UvA, VU Amsterdam, Utrecht, Leiden, Erasmus Rotterdam, RUG Groningen, Radboud Nijmegen, TU Eindhoven, Universiteit Twente, Wageningen UR, and the HBO universities of applied sciences (Hogeschool van Amsterdam, Rotterdam, Utrecht, Saxion, Fontys, Hanze) had all published written AI-use rules at the faculty or programme level, with most treating undisclosed AI submission as academic misconduct rather than a soft warning.

2. Turnitin runs by default through the LMS

The LMS integrations across TU Delft (Brightspace), UvA (Canvas), Utrecht, Leiden, Erasmus, and the rest mean a Dutch student rarely submits a scriptie, bachelor thesis, or master thesis that has not passed through Turnitin's AI check. The student does not see the AI report; the supervisor does. Pre-scanning is the only way to see what the examiner will see before they see it. That asymmetry is the practical reason pre-submission scanning has gone from optional to standard inside Dutch cohorts.

3. GDPR, UAVG, and the Autoriteit Persoonsgegevens raise the data-handling bar

The Netherlands is one of the most data-conscious markets in Europe. GDPR applies in full alongside the UAVG (Uitvoeringswet Algemene verordening gegevensbescherming), with the Autoriteit Persoonsgegevens (AP) enforcing the Dutch baseline. TU Delft, UvA, and the other Dutch universities scrutinise vendor data handling closely on the back of that environment. A detector that ships without a clear GDPR and UAVG posture does not clear procurement. TextSight is GDPR and UAVG compliant on retention, export, and deletion, and the AP-aware bar is a feature for Dutch users rather than friction.

Local context

The Dutch institutional landscape.

Who runs AI detection across the WO research universities, the HBO universities of applied sciences, and where the Amsterdam tech and Eindhoven semiconductor content pressure is coming from.

The WO research universities

TU Delft (top engineering), Universiteit van Amsterdam (UvA), Vrije Universiteit Amsterdam, Universiteit Utrecht, Universiteit Leiden (the oldest, founded 1575), Erasmus Universiteit Rotterdam, Rijksuniversiteit Groningen (RUG), Radboud Universiteit Nijmegen, TU Eindhoven, Universiteit Twente, and Wageningen University and Research are the research-intensive spine of Dutch higher education. Turnitin coverage and NVAO-aligned AI policies are widespread across the group. A taught master student at any of these should expect every essay, paper, or scriptie to run through Turnitin AI on Brightspace, Canvas, or the local LMS.

International master, PhD tracks, and English-medium programmes

TU Delft, UvA, Leiden, Erasmus, and Wageningen run heavy English-medium master and PhD programmes; TU Delft's international intake is particularly large, and Universiteit Twente plus TU Eindhoven both run engineering tracks almost entirely in English. ESL false-positive risk is real in these cohorts, particularly for international students whose bachelor was in another language and whose master thesis is the first long English text they write. A calibrated detector matters for these tracks more than for purely Dutch-medium degree work, even though English fluency in the country is famously high.

The scriptie ladder and supervisor relationship

Dutch degree work runs VWO or HAVO secondary school through to WO bachelor (3 years) and master (1 to 2 years), or via MBO and HBO into the 4-year HBO applied bachelor. The end-of-degree artifact is the scriptie or thesis. PhD students go through a promotie process under a promotor. PhD candidates lean on the supervisor relationship harder than the equivalent US structure, and a Turnitin AI flag on a thesis chapter is not just a grade question; it is a supervisor-trust question, and Dutch departments are small enough that reputation carries through the committee.

Amsterdam tech, Rotterdam logistics, and Eindhoven semiconductor

Amsterdam hosts the Dutch tech and SaaS capital: Booking.com, Adyen, Mollie, Bunq, MessageBird, TomTom, Picnic, and Lightyear run heavy English content operations for international buyers. Rotterdam anchors port and logistics, and Eindhoven is the Brainport semiconductor hub: ASML (the world's only EUV lithography producer), NXP, and Philips sit alongside the wider supplier base. Banking is concentrated around ING, ABN AMRO, and Rabobank. Publishing through Elsevier and Wolters Kluwer, and journalism at NRC, Volkskrant, De Telegraaf, Trouw, and Financieele Dagblad round out the professional writing market. AI-content review on Upwork and Fiverr dispute resolution arrived in 2025, and most in-house Dutch content teams now run detection on incoming deliverables.

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For Dutch students

The Dutch student workflow across block 1 through block 4.

Dutch university calendars run on the academic year (September to August) split into trimesters or four blocks depending on the institution. The cadence drives essay, paper, and scriptie deadlines around the end-of-block and end-of-semester windows. Most Dutch students settle into one of three TextSight patterns by their second semester.

Pattern 1: Pre-LMS submission scan

Paste the essay or paper into TextSight thirty minutes before the Brightspace, Canvas, or local LMS deadline. Read the Authenticity Score and the sentence-level colour map. If the score is below 70, rewrite the red sentences and re-scan. Submit once above 75. This catches both genuine ChatGPT residue and the false-positive flag that highly structured academic writing in law at Leiden, philosophy at UvA, and economics at Erasmus sometimes triggers, particularly when the student has been taught to write in a formally structured English academic register.

Pattern 2: Iterative scriptie scanning

The Dutch bachelor scriptie runs 30 to 60 pages depending on discipline, and the master thesis runs 60 to 100 pages submitted at the end of the academic year. The same iterative use applies to PhD chapter drafts before supervisor handover at TU Delft, UvA, Leiden, Utrecht, Erasmus, or any of the WO research universities. Scan after each major revision, not just at the end. The score should trend up as the draft tightens. If it does not, the issue is structural (paragraph templating, sentence-length flatness, formulaic transitions) rather than wordsmithing, and you can fix it earlier in the cycle.

Pattern 3: International application and motivation work

Used most heavily by international applicants writing master applications for TU Delft, UvA, Leiden, and Erasmus international tracks, plus PhD applicants writing the research proposal for a Dutch promotor. The motivation letter or research proposal is a one-shot artifact; a false-positive flag has a very different cost than a flag on a routine essay. A pre-scan is cheap insurance.

All three patterns work on the free tier for occasional submissions. Students with weekly papers or a master thesis summer usually upgrade to Pro at $14.99 yearly. The Chrome extension on Starter speeds up the workflow for students writing inside Google Docs or Word Online.

For Dutch freelancers

The Amsterdam SaaS and B2B content economy.

Upwork and Fiverr both added AI-content review to dispute resolution in 2025. A client who suspects AI-generated work can request a scan, and a high AI determination can hold or void milestone payment. For Dutch freelancers earning EUR 60 to EUR 140 an hour on technical content for Amsterdam SaaS, fintech, and AdTech, a single voided EUR 1,800 deliverable is a real loss.

The Netherlands is a serious market by content rates. Amsterdam hosts the tech capital with Booking.com, Adyen, Mollie, Bunq, MessageBird, TomTom, Picnic, and Lightyear running heavy English content operations. Rotterdam anchors port and logistics, Eindhoven anchors semiconductor and high-tech (ASML, NXP, Philips), and Utrecht hosts a sizeable services and consulting cluster. The workflow has shifted to assume detection on every deliverable, particularly for senior contractors on retainer.

Standard freelance workflow with TextSight

Draft the deliverable normally (using ChatGPT as an outline tool or first-pass research helper is widespread and not the issue), then scan the final deliverable before sending. Authenticity Score above 75 is the working floor for safety. Score below 70 means rewrite the flagged sentences before sending. The integrated AI rewriter is useful for fixing individual flagged lines without restructuring the whole piece.

Dutch in-house content roles

The Amsterdam Zuidas business district, the Rotterdam port and logistics cluster, the Eindhoven Brainport region around ASML, plus the Utrecht consulting scene and the wider Randstad SaaS belt, run AI detection in-house on incoming deliverables as a matter of course. Senior Dutch copywriters and EU-remote freelancers serving Netherlands-headquartered platforms treat the pre-submission scan as part of the deliverable, not an optional QA step. Starter at $7.49 yearly handles the volume for most individual contractors.

For domestic-platform writers

Not every platform has AI-content review yet, but most Dutch clients now run scans themselves before milestone release. The TextSight free tier covers casual freelance use; Starter is worth it once you are at five-plus deliverables a week or working on retainer contracts where reputation matters.

For Dutch SMEs and agencies

Content teams publishing for Amsterdam SaaS and international buyers.

Two pressures at once: Google's 2024 and 2025 helpful-content updates weighted AI-pattern signals against rankings, and most Dutch agency and in-house content workflows use AI assistance to keep production cost manageable in a market that places higher weight on trust and substance signals.

Dutch SaaS and B2B sites publishing high-volume AI-assisted content without an editorial pass have taken visible ranking hits in the wider EU market. The fix is not to abandon AI assistance; the fix is to publish AI-assisted content that reads human enough to clear detection and retain readers in a register that resonates with Dutch and international B2B audiences. Pre-scanning every article before it goes live is the workflow change that makes that possible.

GDPR and UAVG data residency are also worth flagging directly. The Netherlands sits at the heart of EU enforcement through the Autoriteit Persoonsgegevens, and TU Delft, UvA, and Dutch public-sector buyers run vendor checks with that bar in mind. TextSight processes text via EU-region endpoints where possible, retains scan content only for the immediate session, and offers a no-retention option on Business tier for agencies handling client material under verwerkersovereenkomsten (data processing agreements). The Business tier at $29.99 yearly (around EUR 27.95) is the right fit for serious Dutch content teams: 5 seats, bulk upload, team workspaces, API access. Most Dutch agencies publishing 50-plus articles a month settle into this tier within their first quarter of using TextSight, alongside their existing Surfer, Clearscope, or Frase workflow.

vs Dutch alternatives

TextSight vs detector alternatives Dutch users see.

What other tools Dutch users actually try first, where they fall short, and why TextSight fits the Dutch academic and content market specifically.

Turnitin and Ouriginal

Turnitin is the institutional standard at most Dutch faculties; Ouriginal (formerly Urkund) appears at some universities and HBO institutions. Both are strong on plagiarism and adding AI signals, but neither is built for the student-side pre-submission workflow. Students cannot run their own essays through the university's Turnitin account before submission. TextSight fills the pre-submission gap and gives the student the same view the examiner will see.

GPTZero

A commonly referenced free quick-check in Dutch academic-writing handbooks at TU Delft, UvA, and Leiden. Strong free tier and recognisable name. Weaker on sentence-level granularity and integrated rewriting, and US-built without explicit EU GDPR or UAVG positioning, which procurement teams at Dutch universities and public-sector buyers do flag.

Originality.ai

Credit-based pricing aimed primarily at SEO publishers. Strongest as a bulk URL scanner for agency workflows. The credit-based model can produce surprise overages at typical Dutch agency cadence, where TextSight's flat $29.99 yearly Business with bulk upload is usually cheaper, and TextSight includes GDPR and UAVG aligned data handling out of the box.

Why TextSight fits the Dutch market specifically

Integrated detect-plus-rewrite workflow on a single subscription, flat-price model that does not surprise you with credit-based overages, international English calibration that handles ESL student writing fairly given the heavy international intake at TU Delft, UvA, Leiden, and Erasmus, GDPR and UAVG compliance that clears AP-aware procurement checks, and Turnitin-aligned correlation that maps to what the supervisor will see in the Brightspace or Canvas LMS. None of the other detectors are building specifically for the Dutch academic register or the GDPR-aware Dutch agency workflow.

FAQ

Dutch users frequently ask.

Do Dutch universities like TU Delft, UvA, Utrecht, Leiden, and Erasmus run AI detection?
Yes. By 2026, TU Delft, Universiteit van Amsterdam (UvA), Vrije Universiteit Amsterdam, Universiteit Utrecht, Universiteit Leiden, Erasmus Universiteit Rotterdam, Rijksuniversiteit Groningen (RUG), Radboud Universiteit Nijmegen, TU Eindhoven, Universiteit Twente, and Wageningen University and Research have all published written AI-use rules. Turnitin is the most common institutional check, with exact tooling varying by faculty and the broader HBO landscape (Hogeschool van Amsterdam, Rotterdam, Utrecht, Saxion, Fontys, Hanze) running similar policies. The Ministerie van OCW, NVAO (accreditation), and Universities of the Netherlands have coordinated sector-level guidance, and KNAW frames research-integrity expectations. The check runs at submission inside the LMS and the supervisor sees the AI report before the student does. Dutch students use TextSight before submission to predict what Turnitin will flag and edit their scriptie, bachelor thesis, or master thesis before the official check sees it.
Does TextSight work for Dutch-language scripties and theses?
TextSight is English-first. Detection accuracy on Nederlands-only text is meaningfully lower than on English and we do not recommend it for primary Dutch workflows. Native Dutch detection is out of scope for the current classifier. For scripties or theses written in Dutch, Turnitin's Dutch coverage at your university is the better fit. The good news is that this limitation matters less in the Netherlands than almost anywhere else in Europe. The country ranks first in the EF English Proficiency Index, most master programmes at TU Delft, UvA, Leiden, and the WO research universities are English-medium, and most thesis work for international supervisors is submitted in English by default.
How does Dutch pricing work if TextSight bills in USD?
TextSight bills in USD, and Dutch cards from ING, ABN AMRO, Rabobank, Bunq, N26, and Revolut all process the charge with a standard one to two percent FX margin. Bunq, N26, and Wise or Revolut typically pass the interbank rate with no markup, which is the cheapest option at typical EUR-USD rates. The Pro subscription at $14.99 yearly lands around €13.95 on a typical Dutch card; Starter at $7.49 yearly lands around €6.95; Business at $29.99 yearly lands around €27.95. TextSight bills in USD and does not collect Dutch 21% BTW VAT on B2C subscriptions. For B2B customers with a valid EU VAT-ID, Reverse Charge applies under standard EU cross-border SaaS rules. Apple Pay and Google Pay both work on signup; iDEAL is not yet supported for the subscription itself.
Is TextSight GDPR and UAVG compliant for Dutch users?
Yes. The Netherlands is an EU member state and the GDPR applies in full alongside the UAVG (Uitvoeringswet Algemene verordening gegevensbescherming), with the Autoriteit Persoonsgegevens (AP) enforcing the Dutch baseline. TextSight is GDPR and UAVG compliant: scanned text is processed for the detection workflow and not retained for training, users have full export and deletion rights through the dashboard, and account data is portable on request. Free-tier scans without signup are not tied to a user account. The AP bar is a feature for Dutch users rather than friction, and TU Delft, UvA, and other Dutch universities scrutinise vendor data handling closely on the back of that environment.
How does TextSight compare to GPTZero, Originality.ai, and the detectors Dutch faculties reference?
GPTZero and Originality.ai are both US-built. Turnitin is what most Dutch faculties run as the institutional check; Ouriginal (Urkund) also appears at some universities. GPTZero is a commonly referenced free quick-check in Dutch academic-writing handbooks at TU Delft, UvA, and Leiden; Originality.ai targets paid SEO publishers with a credit-based model and is less common in Dutch university guidance. TextSight bundles detection, Authenticity Score, and an AI rewriter in one flat-price subscription, with international English calibration that handles ESL writing fairly and GDPR plus UAVG aligned data handling that clears procurement checks at Dutch universities and B2B SaaS buyers. For Dutch students writing TU Delft thesis chapters, UvA seminar papers, or Leiden dissertations under tight semester deadlines, the integrated AI rewriter for fixing flagged sentences without leaving the workflow is the difference that matters most.
Related

More guides for Dutch users.

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Calibrated for international English at WO research universities and English-medium master tracks · Ministerie van OCW and NVAO aligned · GDPR + UAVG compliant for AP-aware Dutch procurement