Privacy Policy

Last updated: 2026-01-06

Short summary

No accounts required: you can use the tool without creating an account or sharing your real name.
Optional Google Ads measurement: if you consent, we use Google Ads conversion measurement. If you reject, we do not load Google Ads tags or use marketing cookies.
Cookie choices: you can change your choice at any time using the “Cookie settings” button.
Shared tool: if you mark a combination as “used”, that “used” state is visible to everyone for that game until the next wipe.
Your device stores preferences: some settings (like theme/game selection and “marked by you”) are stored in your browser.
Security logs: like most websites, we keep limited server logs to keep the service secure and reliable.

This Privacy Policy explains how Lottery-Checker (“we”, “us”, “our”) collects and uses information when you use lottery-checker.co.uk (the “Service”).

Lottery-Checker is an independent planning tool for organising lottery number combinations. We do not sell tickets, accept stakes, process payments, or enter you into any draw. Using the Service does not constitute a lottery entry.

1. Who is responsible for your data?

The Service is operated by Lottery-Checker (an independent online tool). If you have questions about this Policy or your data, contact: lttrchecker@gmail.com.

2. What information we collect

2.1 Information you provide (support email)

If you contact us by email, we will process your email address and the contents of your message to respond and provide support. We do not use support emails for marketing.

2.2 Technical data (server logs)

When you access the Service, our systems automatically collect limited technical information to operate and protect the site, such as:

IP address (and an approximate location inferred from the IP);
browser/device information (e.g., user agent, OS);
date/time of requests, pages/endpoints accessed, and basic error diagnostics.

This information is stored in standard server logs and used for security, abuse prevention, rate-limiting, and troubleshooting.

2.3 App data (combinations and planner state)

The Service supports multiple games (e.g., EuroMillions, Set For Life, Lotto, Thunderball) and lets you interact with combinations. There are two different types of data involved:

A) “Used” combinations (shared/public within the tool)

When a combination is marked “used”, it becomes marked as used for everyone for that game until the next scheduled wipe. This is the core shared-planner feature.

B) “Marked by you” and preferences (stored in your browser)

Your own “marked by you” count/list and preferences (e.g., theme, last game) are typically stored using localStorage/sessionStorage on your device. Clearing site data may reset these.

We do not require your real name to use the Service. We aim to minimise personal data and do not build marketing profiles.

2.4 Cookies, analytics, and advertising

The Service uses a small amount of browser storage for core functionality and preferences (see section 2.3). In addition, we may use Google Ads conversion measurement only if you consent via our cookie banner.

If you accept: we load the Google tag and send conversion events (for example when you view key pages and/or click “Open planner”, “Generate”, or “Use”). Google may set/read cookies or use similar identifiers for measurement and (depending on your Google settings) advertising features.
If you reject: we do not load Google Ads tags and we do not place marketing cookies.

You can change your choice at any time using the on-site “Cookie settings” control (usually shown at the bottom-left of the page). Withdrawing consent will take effect going forward (it cannot retroactively remove processing that already occurred while consent was granted).

2.5 Third-party services (e.g., random.org)

If you enable “true random”, the Service may request random numbers from random.org. That third party may receive technical request data (such as IP address and request metadata) as part of providing their service. Use of third-party services is subject to their own privacy policies.

3. How and why we use information

We use the information described above for the following purposes:

To operate the Service – to provide the planner features and display combinations correctly for the selected game.
To keep the Service secure and reliable – preventing abuse, applying rate limits, investigating issues, and fixing bugs.
To improve the Service – understanding performance and feature usage at a high level (not for marketing profiling).
To measure advertising performance – if you consent, to measure Google Ads conversion activity.
To comply with law – where we must retain certain logs or respond to lawful requests.

4. Legal bases (UK GDPR)

Under UK GDPR we must have a lawful basis for processing personal data. Depending on the context, we rely on:

Legitimate interests – running a secure, useful planning tool and protecting it from abuse, balanced against your rights.
Performance of a contract – providing the Service you request when you use the site (even without an account).
Consent – for optional Google Ads conversion measurement cookies/identifiers where you choose “Accept”.
Legal obligation – where we must retain or disclose information to comply with applicable law.

5. How long we keep information (retention)

Server logs: typically retained for a limited period (commonly 30–90 days) for security and troubleshooting, unless a longer period is needed to investigate a specific incident.
Shared “used” combinations: retained until the next scheduled wipe for that game (and possibly briefly longer for technical consistency and integrity checks).
Browser storage (your device): retained until you clear your browser/site data or it is overwritten by your settings (this includes preferences such as theme and your cookie consent choice).
Support emails: kept only as long as reasonably necessary to resolve your request and maintain a short support history.

6. Sharing of information

We do not sell or trade users’ personal data. We may share information only with:

Service providers (e.g., hosting/infrastructure providers) who process data on our behalf to run the site, under appropriate safeguards.
Google (Google Ads) – only if you consent, we load Google Ads tags and send conversion measurement events. Google may process related data (such as cookie/identifier information and page interactions) in accordance with its own privacy documentation.
Authorities where we are legally required to do so (e.g., court order or lawful request).
Third-party services you choose to use (e.g., random.org when “true random” is enabled).

7. International transfers

Our servers and service providers may be located in the UK or EEA. If personal data is transferred outside the UK/EEA, we will use appropriate safeguards (for example, standard contractual clauses or an adequacy decision), where required. Where you consent to Google Ads conversion measurement, Google may process data in locations outside the UK/EEA in line with its own arrangements and safeguards.

8. Your rights

Subject to conditions and exceptions, you may have rights under UK GDPR in relation to personal data about you:

Access – request a copy of personal data we hold about you.
Rectification – ask us to correct inaccurate data.
Erasure – ask us to delete data in certain circumstances.
Restriction – ask us to limit processing in certain cases.
Objection – object to processing based on legitimate interests.
Portability – receive certain data in a usable format, where applicable.

To exercise your rights, email lttrchecker@gmail.com. We may ask for information to verify your identity.

You can also complain to the UK Information Commissioner’s Office (ICO): ico.org.uk.

9. Children and age restriction

This Service is for users aged 18+. We do not knowingly collect personal data relating to children under 18. If you believe a child has provided us with personal data, contact us and we will take appropriate steps to delete it.

10. Security

We use reasonable technical and organisational measures to help protect the Service and data. No internet service can be 100% secure, but we work to reduce risks (e.g., rate-limiting, access controls, monitoring).

11. Changes to this Privacy Policy

We may update this Policy from time to time. The “Last updated” date at the top shows when it was last revised.

12. Contact

Questions about privacy or data? Email: lttrchecker@gmail.com.

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