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Everyday money tools

  • Currency converter
  • Invoice generator
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Quick estimate

Currency converter

Reference rates only; your amount and pair stay in this browser.

The amount to convert. It is not included in the rate request or saved for later.

The currency your amount is currently in.
The currency you want to estimate the amount in.

Rates load when this window opens.

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Reference rate Target-currency units for one source-currency unit. This may differ from a transaction quote. —

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Information only—not a bank, card, or exchange-service quote.

Cookie policy

Version 1, October 17, 2026

What SterlingCat stores in your browser, which cookies the services you accept may set, and how to change your choice.

It applies to sterlingcat.com, which InnoviCat operates. InnoviCat's documents on innovicat.com apply to that site, not to this one.

What SterlingCat stores in your browser

SterlingCat's own code sets no cookies. It uses your browser's local storage, and writes an item only when you use the feature that needs it. The privacy banner does not gate these items: each serves a feature you use, which the ePrivacy Directive (Art. 5(3)) exempts when the storage is strictly necessary to provide a service you asked for.

NameFeatureWhat it holdsWhen it is writtenHow long it stays
sc-consent Privacy banner Your answer in the privacy banner: granted (Accept) or denied (Reject). When you choose Accept or Reject. Until you clear this site's data in your browser.
sc-theme Theme button The color theme you chose: light or dark. When you use the Theme button. Until you clear this site's data in your browser.
sc-currency-pair-v1 Currency converter The two currencies you last chose. Not the amount. When you change or swap the currencies. Until you clear this site's data in your browser.
sc-currency-rates-v1 Currency converter The last list of currency rates the site received, with the time it arrived. When a rate list arrives. Until the next one replaces it or you clear this site's data in your browser.
sc.store.v1 Your details The scenarios, shared figures and calculator setups you save. When you switch on “Remember in this browser”, and as you use a calculator while it is on. Until you clear this site's data in your browser, or use “Clear everything” on the Your details page.
sc.periods.v1 Monthly or annual amounts For each amount field, whether you enter it per month or per year. When you switch a field between monthly and annual. Until you clear this site's data in your browser.
sc.invoice.draft.v2 Invoice generator Your invoice or estimate draft, with the business and client details, items and any logo in it. When you use “Save draft in this browser”. Until you clear this site's data in your browser, or use “Clear saved draft”.
sc.invoice.draft.v1 Invoice generator A draft saved by an earlier version of the invoice generator. No longer written. Until you clear this site's data in your browser, or use “Clear saved draft”.
sc.invoice.business.v1 Invoice generator Your business profile: name, address, contact details, tax ID and logo. When you use “Save business profile”. Until you clear this site's data in your browser.
sc.invoice.clients.v1 Invoice generator The clients you save: name, company, address, email and phone. When you save or import clients. Until you clear this site's data in your browser.
sc.invoice.recent.invoice.v1 Invoice generator Your recent invoices. When you save an invoice file or download its PDF. Until you clear this site's data in your browser, or use “Clear recent documents”.
sc.invoice.recent.estimate.v1 Invoice generator Your recent estimates. When you save an estimate file or download its PDF. Until you clear this site's data in your browser, or use “Clear recent documents”.
sc.invoice.settings.v1 Invoice generator The highest invoice and estimate numbers used, to number the next document. When you save a file or download a PDF. Until you clear this site's data in your browser.

Cookies of the services you accept

These services load only after you choose Accept in the privacy banner. Storing or reading their cookies needs your consent (ePrivacy Directive, Art. 5(3)). The purposes and lifetimes below are as their providers state them.

Google Analytics

CookiePurposeLifetime
_gaUsed to distinguish users.2 years
_ga_<container-id>Used to persist session state.2 years

Umami

Umami states: Umami does not use any cookies in the tracking code.

Cloudflare Web Analytics

Cloudflare Web Analytics states: We don’t use any client-side state (like cookies or localStorage) for analytics purposes.

Google AdSense

Ads are switched off: no ad script loads, and these cookies are not set. They apply once ads are on.

CookiePurposeLifetime
_gadsEnables sites to show Google ads.13 months
IDEUsed to show Google ads on non-Google sites.13 months in the European Economic Area (EEA), Switzerland, and the United Kingdom (UK), and 24 months everywhere else
idUsed to show Google ads on non-Google sites.13 months in the European Economic Area (EEA), Switzerland, and the United Kingdom (UK), and 24 months everywhere else

How to change your choice

  • Use , also at the foot of every page, to accept or reject again.
  • Clear this site's data in your browser's settings to remove what SterlingCat stores.
  • Opt out of personalized advertising in Google's Ads Settings, and out of other vendors' cookies for personalized advertising at www.aboutads.info.
  • Stop Google Analytics in your browser on every site with the Google Analytics opt-out browser add-on.

How Google uses information from this and other sites: How Google uses information from sites or apps that use our services, and Google's Business Data Responsibility site. What is sent, to whom, and your rights: the privacy policy.

Privacy policyTerms of service

Information only, not financial, legal, or tax advice. A model based on the numbers you enter: a scenario projection based on stated assumptions, not a forecast or guarantee.

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Your privacy

The calculators run in your browser and never send what you enter. To support the site, we’d like to turn on analytics. They load only if you accept, and track your visit, never your numbers. Change your mind any time from “Privacy settings”.