Browser Extension Terms

1. About these terms

1.1 These Browser Extension Terms (the “Extension Terms”) are a contract between you and MIRA NOVUM LTD, a company registered in England & Wales under company number 17465260, whose registered office is at 128 City Road, London, United Kingdom, EC1V 2NX (“Mira Novum”, “we”, “us” and “our”). They govern your installation and use of the Mira Novum browser extension for Chrome, Edge and other Chromium browsers, including the website extractor, the results table and the Outreach Desk widget (together, the “Extension”).

1.2 The Extension Terms form part of our Terms and Conditions, which apply to your account and to anything you do on miranovum.com. Our Acceptable Use Policy, Privacy Policy and Data Sharing Terms also apply. If the Extension Terms and the Terms and Conditions conflict on anything about the Extension, the Extension Terms win.

1.3 By installing, connecting or using the Extension you accept these terms. If you use the Extension for a business, you confirm you have authority to accept them for that business. If you do not accept them, do not install the Extension, or remove it.

2. Licence

2.1 We grant you a personal, non-exclusive, non-transferable, revocable licence to install and use the Extension in browsers you control, for your own lawful business purposes, for as long as you comply with these terms.

2.2 You must not: copy, modify, adapt, translate or create derivative works of the Extension; sell, rent, lend, sublicense, distribute or publish it, or bundle it with other software; decompile, disassemble or reverse engineer it, except to the extent the law allows despite this restriction; remove or alter any notice, label or AI marking; work around its limits, its robots.txt and noindex checks, its rate limits, its deny list or its other safety controls; use it through automated scripts, headless browsers or other software that runs it without a person in control; or use it, or anything you obtain with it, to build or improve a product that competes with the Service.

2.3 We own the Extension and all intellectual property in it. These terms give you no rights in it other than the licence in this section. Feedback you send us may be used by us without restriction or payment.

3. What the extension does

3.1 The Extension reads web pages that you open, or that you ask it to read: the current tab, a whole site from its start page and sitemap, a sitemap address, a list of web addresses you paste, or a domain list you paste or load from a file, which runs as a queue. It finds business contact details and other facts the website publishes (such as email addresses, telephone numbers, social profile links, the postal address, the company name, structured data and the technology the site uses) and shows them in a table in your browser. Each value is kept with the page and the time it was read. A page behind a login, a consent or age wall, a CAPTCHA or a firewall is recorded as such and is not read or bypassed.

3.2 Before reading any site it reads that site’s robots.txt file and follows it. It does not use pages marked noindex. It waits at least 1 second between requests to the same site (1.5 seconds by default, or longer if the site asks for it), and in one whole site run reads at most 200 pages of one site. Domain lists run within the per-list, per-day and per-site limits shown in the side panel. Whole site, sitemap and domain list runs send requests without your cookies, so they never reach pages behind a login. Two features read a page as your browser shows it: “This page”, which reads the tab you are on, and the optional background tab for pages that only render with JavaScript, which loads a page that was first read as a public page and checks it again for login, consent and CAPTCHA walls before reading it. Because your browser may be signed in to a site, do not use either feature to read content that you can see only because you are signed in. The Extension refuses to read the current tab when that page asks for a password, and it does not read social networks, marketplaces and other sites on its built-in deny list.

3.3 These controls are a minimum. They do not give you permission to read or use any website, and a site may forbid what its robots.txt file does not.

3.4 The Extension names browsers, technologies, platforms and other products it detects or works with, and its deny list names sites it will not read. These names are used only to identify them and belong to their owners; their use does not mean that the owners endorse, sponsor or are associated with us or the Extension.

3.5 The Outreach Desk widget works as described on the Outreach Desk page: on supported messaging pages it reads the conversation header only, never message contents, and never clicks, types or sends anything for you.

3.6 Single purpose. The Extension has one purpose: to help you find and check the published business details of websites you choose and act on them for business outreach. Every feature described in these terms serves that purpose. It asks your browser for access to a site only when you use it on that site or approve a list, and it has no feature that records the websites you visit.

4. Distribution and limited use

4.1 We distribute the Extension from our own website, as a developer install with a step by step guide; it is not listed in the Chrome Web Store. If we also list it in the Microsoft Edge Add-ons store, we follow that store’s policies for the version listed there. Wherever you install it from, we keep to the same limited use commitments: we use the data the Extension handles only to provide and improve its single purpose and the features you use, as these terms and our Privacy Policy describe. We do not use or transfer what the Extension learns about you or your browsing for advertising, for credit checks or lending, or to build profiles of you, and we do not let people read it except with your agreement, for security or to deal with abuse, or where the law requires it. Data that reaches us does so over encrypted connections.

4.2 Sharing is the one use beyond the features you use yourself, and it is disclosed here, on our download page and before your first run: on a free account that is signed in it is a condition of use, on a paid plan it is a choice, and without an account it never happens. Sharing covers only the business values described in the section on crowdsourcing, never your browsing history, the content of your messages or the content of pages you have not asked the Extension to read. Be clear about what sharing means: the public business details you collect while sharing is on are added, after our checks, to the Mira Novum business database, which we license to our customers. The fact that you shared them is never passed on.

4.3 The Outreach Desk scripts on supported social and messaging sites read only the conversation header and the profile address of the person you are writing to. What they read stays in your own account, is never shared with us as crowdsourced data and is never added to our database.

5. Company badge and email checks

5.1 Company badge. When you open the Extension on a website, it can show what we hold about that business at company level (such as its name, category, town, score, technology and when it was last verified) and similar businesses. To do this it sends the website’s domain to our server through your account. If you switch on the optional corner badge, which is off by default, the Extension does this for each secure website you visit, so we receive the domains of the websites you browse while it is on. We use them only to answer the lookup and to apply rate limits, and we do not keep a history of the domains you look up, apart from short-lived technical logs kept for security. The badge never shows contact details.

5.2 Email checks. The Extension can check an email address in your browser (its format, whether it is a role, free or disposable address, and whether its domain accepts mail). The mailbox check, which asks the receiving mail server whether the mailbox exists, runs through your account as a verification job and uses your verification allowance or verification credits under the Terms and Conditions. A result shows what the mail server reported at the time of the check and does not guarantee delivery. Addresses you check are handled like your other verification jobs, as described in our Privacy Policy.

5.3 Badges in webmail. If you switch on the optional badges for Gmail and Outlook on the web, which are off by default, the Extension reads the recipient addresses of a message you are writing so it can check them. It does not read the subject or the body of your messages. Recipient addresses go to our server only when you ask for a mailbox check, and they are never shared with us as crowdsourced values. You are responsible for having a lawful basis to check the addresses of the people you write to.

6. Your responsibility for lawful use

6.1 You decide which websites to read, what to keep and what to do with it. You are responsible for that use and for complying with every law and rule that applies to it, including the following.

6.2 UK GDPR and the Data Protection Act 2018. Business contact details can be personal data, for example the name and email address of a sole trader or of a named employee. For any personal data you collect with the Extension you are the controller. You must have a lawful basis (for B2B prospecting usually legitimate interests, with a documented assessment), tell people where you got their details within one month as Article 14 requires, collect only what you need, keep it accurate and secure, delete it when you no longer need it, and honour objections and other rights requests.

6.3 PECR. Unsolicited marketing emails and texts to individual subscribers, which include sole traders and some partnerships, need their prior consent unless the soft opt-in applies. Marketing to corporate subscribers must identify you, give a valid address for opt-outs and stop when asked. Check the Telephone Preference Service and the Corporate Telephone Preference Service before making marketing calls, and never make automated marketing calls without consent.

6.4 The Computer Misuse Act 1990. You must not use the Extension to access any computer, website or data without authorisation. Do not use it on content behind a login, a paywall, a CAPTCHA or any other access control, even if you have your own login, and do not try to defeat any technical measure a website uses to limit access.

6.5 Website terms, robots.txt and intellectual property. You promise to read and follow the terms of use of every site you read with the Extension, and not to use it on a site whose terms forbid it. Some sites forbid automated reading or the reuse of their content even where robots.txt allows it. Website text, images and databases can be protected by copyright and by database right: do not copy substantial parts of a database or reuse protected content.

6.6 Laws outside the UK. If you read sites or contact businesses in other countries, their laws may also apply, including the EU GDPR and local marketing rules.

6.7 Our guide at miranovum.com/legal/compliance explains the main rules for B2B outreach. It is general information, not legal advice. If you are unsure whether a use is lawful, take advice before you go ahead.

7. Prohibited uses

7.1 You must not use the Extension to: collect information about consumers or individuals in their private capacity; collect special category data or data about children; read login-protected, paywalled or private content; overload, disrupt or damage any website, including by running many copies at once or across many accounts to get round the limits; ignore a website’s request to stop; build lists for spam, phishing, scams, harassment, stalking, discrimination or any unlawful purpose; sell, rent or publish raw lists of what you collect; misrepresent who you are to a website or a business; or break any law, regulation or third party right.

7.2 We may refuse to support, and add to the built-in deny list, any site whose owner asks us to, or that we believe should not be read with the Extension. Website owners can contact compliance@miranovum.com.

8. Data the extension sends to us

8.1 Most of what the Extension does happens in your browser. Pages it reads, the records it builds and your settings are stored in your browser’s extension storage and are not sent to us unless you take one of the actions below.

8.2 Connecting your account: a connection token issued by your signed-in account, used to identify you on every request. Saving to a list: the records you choose, which are stored in your account as your own list and are never added to our business database by saving. Saving to a CRM: the records you choose, sent to the CRM account you connected. Domain lists: the number of domains in a run, so that it can be approved against your limits. Company badge and email checks: the domains and addresses described in the section on the company badge and email checks. Sharing with us: the values described in the section on crowdsourcing, only while sharing is on (always on a free account that is signed in, by your choice on a paid plan, never without an account). AI clean-up through our server: the records in the batch you send, as described in the section on AI processing. AI fields and page collection: for runs you share, the AI-filled values with their provider and model, and, only while page collection is on, the page copies described in the section on page collection for model training. Outreach Desk: the information described on the Outreach Desk page.

8.3 The Extension does not send us your browsing history (except the domains the optional corner badge looks up while it is on), the content of pages you have not asked it to read, your cookies or your own AI provider key.

9. Records you save in your account

9.1 Lists you save are your own data, available only to you (and to colleagues you give access to through your account, where your plan includes it). You can download or delete them at any time from your dashboard. We process them to provide the Service, as set out in our Privacy Policy, and you remain responsible for having collected them lawfully.

10. Crowdsourcing and your licence to us

10.1 Without an account, the Extension never shares anything. On a free account, signing the Extension in means sharing is on: it is a condition of free use while signed in, shown to you with a link to these terms before the Extension first reads a site, and you accept it to continue. On a paid plan sharing is optional, and a Sharing switch in the side panel and the settings lets you turn it off, for example for confidential work. While sharing is on, under the crowdsourcing terms (version 2026-10-27), the Extension sends us, for each record you share, business values that the website itself published (its web address, business email addresses on its own domain, telephone numbers, town, postcode and name) together with the address of the page each value was read from and the time it was read, how the site answered (for example open, unavailable or behind a login), and technology signals from the page (the hosts of scripts and services it loads and the names, never the values, of the cookies it sets). It does not share values you typed or changed, values changed by AI clean-up (AI-filled fields go separately, labelled, as described in the section on AI processing), free email addresses, the addresses of named people, recipients from your webmail, your own lists, or anything from pages marked noindex or behind a login. On a free account every run is shared; on a paid plan with sharing on, sharing applies to the runs you mark as shared in the side panel.

10.2 Shared values go to a review area. They are checked against other sources and only enter our database after independent confirmations and our quality rules. We may reject any value without telling you. Shared values earn nothing except as set out in the section on sharing and higher limits, or as we otherwise agree in writing.

10.3 You grant Mira Novum a worldwide, perpetual, irrevocable, royalty-free, transferable licence, with the right to sublicense, to use, store, verify, correct, combine, publish, license and otherwise exploit the values you share, as part of our database and services, including after these terms end. You confirm that you obtained each value from a publicly available page of the business’s own website in line with these terms and the law, and that sharing it does not breach any obligation you owe to anyone.

10.4 On a paid plan you can switch sharing off at any time; that stops future sharing. On a free account you can stop sharing at any time by signing the Extension out and using it without an account, by moving to a paid plan, or by switching data sharing off in your account settings; the signed-in Extension then asks you to accept the condition again before it reads more sites. Values already shared may be kept in our database, where they are handled like the rest of our business data, including the right of any business or individual to correct, object to or remove their details. The licence above gives way to those rights: shared values about a person are deleted when that person’s removal request or objection is upheld.

11. Sharing and higher limits

11.1 The Extension is free of charge on every plan: no plan pays for it and sharing is not a payment. On a free account that is signed in, sharing is on, and exports from the Extension are unlimited. Without an account, the Extension reads up to 10 sites in a domain list, exports one site at a time and shares nothing. On a paid plan with sharing switched off, the standard limits of your plan apply to domain lists (domains a list, domains a day and pages a site) and saved lists, exports from the Extension are limited to 50 rows a day (everything else downloads from your dashboard under your plan), and every other feature of the Extension works in the same way. Those limits are shown in the side panel.

11.2 Sharing is an exchange. On a free account it is the condition of free signed-in use; on a paid plan it is a choice. While sharing is on, the run is shared (every run on a free account, the runs you mark as shared on a paid plan) and your shared uploads are being accepted (an accepted upload within the recent period shown in the Extension, or one of the few runs allowed before a first upload is accepted), higher limits apply to your domain lists. Accepted values also earn verification credits at the rate and up to the monthly limit shown in the Extension at the time. Verification credits earned this way are Credits under the Terms and Conditions: they have no cash value and cannot be transferred or exchanged.

11.3 On a paid plan, if you do not share, or you switch sharing off, nothing else changes: you keep the standard limits of your plan, the credits you have already earned and everything you have saved. Higher limits and unlimited Extension exports stop applying to new runs and exports. We do not reduce the standard limits of your plan because you have chosen not to share.

11.4 Why sharing is a condition, not a consent. On a free account, sharing is a term of the free licence of the Extension, in the same way as a price is a term of a paid plan. We tell you about it before you first use the Extension signed in, and you accept it as a term. You are not asked to consent to anything about your own personal data: what is shared is business information that websites publish, and for any personal data inside it (such as a named business email address or a sole trader’s details) our lawful basis is our legitimate interests, with the safeguards in our legitimate interests assessment, not your agreement. If you do not want to share, you can use the Extension without an account (up to 10 sites in a list, one site an export, nothing shared) or on a paid plan with sharing switched off.

11.5 Rewards are for genuine values read in line with these terms. We may withhold or reverse rewards, and stop the higher limits for your account, for values that are rejected as invalid, duplicated, made up, read from pages these terms do not allow, or uploaded by automated means or to get round the limits. We may change the higher limits and the reward for future runs, and we will show the current values in the Extension before you share a run.

11.6 The fact that you read and shared a particular website is information about you. We use it only to check the values you share, to count your limits and rewards and to prevent abuse, and we never show it to other customers or tell a business that you read its website.

12. AI processing

12.1 AI clean-up is optional and off by default. It sends the records you choose to an AI model with our fixed prompt, which asks the model to verify and tidy each record against our schema. You cannot change the prompt; you may add short background information.

12.2 AI site finder. If you ask the Extension to find websites, the words and the place you enter go with our fixed prompt to your own AI provider, which suggests business websites; the Extension checks that each one answers before adding it to your list. Suggestions can be wrong or out of date and you choose which to read. Without an account a list holds up to 10 sites.

12.3 Second AI check. If you leave it on, after AI fills a record the Extension asks your AI provider to check the record again against the pages it was read from and to remove values those pages do not support, such as spam trap addresses, other businesses’ details and invented values. It never adds an email address or a telephone number.

12.4 With your own AI keys (you can add several), the Extension calls the providers you choose directly from your browser. Your keys are encrypted and stay in your browser; they are never sent to us. The provider’s terms and privacy policy apply to that processing, the provider is responsible to you for it, and you pay the provider for it at its own prices; we do not charge for it. With our key, where your plan includes it, the records go through our server to a provider we choose, within the daily limits of your plan.

12.5 AI fields and site details. If you tick the box, the Extension asks your AI provider to fill the AI fields (such as sector, services and who the business sells to) and the site-type details of each site you read in a whole site or domain list run, using only the text of the pages the Extension read, with a quote from that text for every value. Values without such a quote are dropped. With two keys, two models read the same text and a value is kept only where they agree, kept at lower confidence where only one found it, and left out where they disagree.

12.6 AI output can be wrong. The Extension never lets AI add or change an email address or a telephone number of a record, and marks every field AI filled or changed. AI-filled values are shared with us only for runs you share, always labelled as AI output with the provider and model, and they are checked by our own systems before any use; AI-changed values from AI clean-up are never shared. Review AI output before you rely on it. AI output is not legal, financial or professional advice and must not be the only basis for a decision that has a legal or similarly significant effect on anyone.

13. Page collection for model training

13.1 Page collection is off by default. It is offered only when we make it available, and only you can switch it on, with a separate box and the page collection terms (version 2026-10-30). You need sharing on as well. You can untick the box at any time; nothing more is collected after that.

13.2 While it is on, for each site in a run you share, the Extension also sends us the text of up to 20 public pages of that site (such as the home, about, contact, products, services, team and legal pages) and a structural outline of each page, together with the record it produced. Email addresses and telephone numbers are removed from the page text. Scripts, images, forms and what was typed in them are never sent. We use these copies only to train and test our own models for reading business websites, keep them for 24 months (or the shorter period shown in the Extension), and then delete them. We do not show them to customers.

13.3 The Extension never collects a page behind a login, a page read in the background tab or the current tab with your own sign-in, a site outside the domains you chose, or a site that asks not to be used this way: through its robots.txt rules for AI training services, a text and data mining reservation, or a noai instruction on the page. We check again on our side and delete a copy if we find such a request.

13.4 Website text can be protected by copyright and database right. You confirm that you read each page in line with these terms. Page collection is subject to review by our legal advisers, and we may change or stop it at any time.

13.5 Highest limits. While sharing is on and uploading, your own AI is connected and page collection is on and uploading, the highest domain list limits shown in the Extension apply. Each level applies only while its conditions hold.

14. Updates, availability and support

14.1 We may update the Extension at any time, including to change or remove features, to follow changes in browsers or in the policies of a store that lists it, or for security and legal reasons. A developer install does not update itself: install new versions from our download page (a store version updates through the store). Older versions may stop connecting to your account.

14.2 Websites change often, and the Extension will not read every site correctly. We provide support by email at support@miranovum.com on a reasonable efforts basis.

14.3 Health check. Where the Extension offers a health check and you switch it on, it checks a sample of the sites it read against their pages once a day and sends us one report: the sites and pages checked, the fields, short evidence from the page, whether each value was right, wrong or missed, the Extension’s version and the AI models used. Email addresses and telephone numbers are replaced by their kind before it leaves your browser, and it never contains your keys. We use it only to improve how the Extension reads websites.

15. No warranty

15.1 The Extension is provided free of charge as an addition to the Service, on an as is and as available basis. To the extent the law allows, we give no warranty that it will be uninterrupted or error free, that it will read any particular website, that the information it extracts is accurate, complete, current or lawful to use, or that any website allows you to read or use its content.

15.2 If you are a consumer, nothing in these terms affects your statutory rights, including your rights about digital content under the Consumer Rights Act 2015.

16. Limitation of liability

16.1 Nothing in these terms excludes or limits our liability for death or personal injury caused by our negligence, for fraud or fraudulent misrepresentation, or for any other liability that cannot be excluded or limited by law.

16.2 Subject to that, we are not liable for: your use of the Extension or of anything you obtain with it; any claim by a website owner, a business or an individual about your use; loss of profits, revenue, business, goodwill or anticipated savings; loss or corruption of data held only in your browser; or any indirect or consequential loss.

16.3 If you are a business customer, and subject to the first paragraph of this section, our total liability arising out of or in connection with the Extension, whether in contract, tort (including negligence), breach of statutory duty or otherwise, is limited to the greater of £100 and the total fees you paid us in the 12 months before the event giving rise to the claim. This cap is shared with, and not in addition to, the cap in the Terms and Conditions.

17. Indemnity

17.1 If you are a business customer, you will indemnify Mira Novum, its officers, employees and contractors against all claims, losses, damages, fines, penalties, costs and expenses (including reasonable legal fees) arising out of or in connection with your use of the Extension, the information you obtain or share with it, your breach of these terms, or your breach of any law or third party right, including claims by website owners, businesses, individuals and regulators.

17.2 We will tell you promptly about any such claim, let you control its defence where that is reasonable, and give you reasonable help at your cost. We will not settle a claim covered by this indemnity without your agreement, which you will not unreasonably withhold.

18. Suspension and termination

18.1 We may suspend or end your use of the Extension, revoke its connection tokens, switch off sharing or AI clean-up for your account, or block a version of the Extension, at any time and without notice where we reasonably believe you have broken these terms or the law, where a website owner or regulator complains about your use, or where it is needed for security or legal reasons. We may also suspend your account under the Terms and Conditions.

18.2 You can stop using the Extension at any time by removing it from your browser and disconnecting it on your dashboard. Removing it deletes the data it holds in your browser.

18.3 The sections on licence restrictions, your responsibility for lawful use, prohibited uses, crowdsourcing and your licence to us, no warranty, limitation of liability, indemnity and governing law continue after these terms end.

19. Changes to these terms

19.1 We may change these terms. We will post the new version on this page with its date, and tell you in the Extension or by email about any change that materially affects you. If you keep using the Extension after a change takes effect, the new terms apply. If you do not accept them, remove the Extension.

20. Governing law and courts

20.1 These terms and any dispute or claim arising out of or in connection with them or their subject matter (including non-contractual disputes or claims) are governed by the law of England and Wales.

20.2 The courts of England and Wales have exclusive jurisdiction, except that if you are a consumer living in Scotland or Northern Ireland you may also bring proceedings in your local courts, and if you are a consumer living outside the UK you keep the protection of the mandatory law of the country where you live.

21. Contact

21.1 Questions about these terms: support@miranovum.com. Data protection questions, rights requests and requests from website owners: compliance@miranovum.com.