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Free Exchange Rate Widget

Want the exchange rate on your website? Copy the iframe or JavaScript code, customize the currencies and theme, and the widget automatically updates daily with the BNR rate.

Preview

Widget Types

Customize and Copy the Code

Comma-separated codes (max 8). Example: EUR,USD,GBP,CHF,HUF,PLN

What Does the Widget Include?

  • ✓ Automatic daily update from BNR
  • ✓ 6 widget types (vertical, horizontal, converter, mini, table, chart)
  • ✓ 8 color themes + transparent
  • ✓ Responsive - adapts to any screen
  • ✓ Lightweight - under 5KB JavaScript
  • ✓ No ads, no cookies
  • ✓ 100% free, unlimited

Calculator Widgets — free, 0% server needed

Add financial calculators to your website. They work 100% in the browser — they don't call our server, don't slow down your site, and don't require an API key.

Loan Calculator

Mortgage + personal loans. Payment, interest, APR.

Net Salary Calculator

GROSS → NET with CAS, CASS, tax, deduction.

PFA Tax Calculator

Net income, CAS, CASS, tax, effective rate.

Installation Instructions

1

Any Site (Simple HTML)

Copy the iframe code and paste it into your page's HTML where you want the calculator to appear.

<iframe src="https://curs.online/widget/credit"
  width="420" height="340" frameborder="0"
  style="border:none;max-width:100%"></iframe>
2

WordPress

Option A — HTML Block:

  1. Edit the page/post where you want the calculator
  2. Click + → add a "Custom HTML" block
  3. Paste the iframe code above
  4. Save and publish!

Option B — Sidebar Widget:

  1. Go to Appearance → Widgets
  2. Add a "Custom HTML" widget to the sidebar
  3. Paste the iframe code
  4. Save

Option C — Shortcode (advanced):

Add to your theme's functions.php:

function curs_online_widget($atts) {
  $a = shortcode_atts(['type' => 'credit', 'w' => '420', 'h' => '340'], $atts);
  return '<iframe src="https://curs.online/widget/' . esc_attr($a['type']) . '"
    width="' . intval($a['w']) . '" height="' . intval($a['h']) . '"
    frameborder="0" style="border:none;max-width:100%"></iframe>';
}
add_shortcode('curs_online', 'curs_online_widget');

Then in any page/post write:

[curs_online type="credit"]
[curs_online type="salariu" h="360"]
[curs_online type="pfa"]
3

Wix / Squarespace / Shopify

Add an "Embed" or "Custom HTML" block and paste the iframe code. Works on any platform that supports custom HTML.

Why Are They Free?

  • ✓ Calculators run 100% in the visitor's browser — zero server needed
  • ✓ They don't slow down your site (under 5KB per widget)
  • ✓ Automatically updated with current tax formulas
  • ✓ "Details on curs.online" link in footer = promotion for us

Available Widgets:

credit — Mortgage Loan
salariu — GROSS→NET Salary
pfa — PFA Taxes
Coming soon: rent
Coming soon: inflation
Coming soon: construction