Run a blog, guide or resource page? Drop our interactive tools onto your site with one line of code. Pick the language, theme and colour and the code generates itself. They're responsive, auto-resize, and include a visible attribution link to Cashcrown. Free, no signup.
Live preview
Script (recommended: auto-resizing)
<script async src="https://cashcrown.pl/embed.js"></script>
<div data-cc-tool="kalkulator-roi" data-locale="en"></div>Or a plain iframe
<iframe src="https://cashcrown.pl/embed/en/kalkulator-roi"
width="100%" height="640" loading="lazy" frameborder="0"
title="A free tool by Cashcrown"></iframe>
<p style="font:12px sans-serif;text-align:center">
<a href="https://cashcrown.pl/en/narzedzia/kalkulator-roi">A free tool by Cashcrown</a>
</p><iframe id="cc-wl-kalkulator-roi-partner-example-com" src="https://cashcrown.pl/en/embed/kalkulator-roi?partner=partner.example.com&theme=dark&accent=d4af37&radius=12&autoresize=1&badge=1" title="Cashcrown - kalkulator-roi" loading="lazy" style="width:100%;height:640px;border:1px solid #d4af37;border-radius:12px;overflow:hidden;display:block;" allow="clipboard-write"></iframe>
<div class="cc-wl-attribution" style="margin-top:8px;font-family:monospace;font-size:12px;line-height:1.4;color:#9ca3af;">Interactive AI tool powered by <a href="https://cashcrown.pl/en/narzedzia/kalkulator-roi?utm_source=partner.example.com&utm_medium=white_label_embed" target="_blank" rel="noopener" style="color:#d4af37;text-decoration:underline;font-weight:600;">Cashcrown</a> - Explore full toolkit</div>
<script>(function(){window.addEventListener("message",function(e){if(!e.data||e.data.type!=="cashcrown:embed:resize"||e.data.slug!=="kalkulator-roi")return;var f=document.getElementById("cc-wl-kalkulator-roi-partner-example-com");if(f&&typeof e.data.height==="number"&&e.data.height>=320){f.style.height=Math.min(2400,Math.round(e.data.height))+"px";}});})();</script>Set language, theme, colour and width above - the code generates itself. Please keep the “A free tool by Cashcrown” link - that's the only condition of free use.