Free embeddable fee calculator widgets
Add any of our 31fee calculators to your own website — free, with a single copy-paste snippet. No signup, no API key, no usage limits. Each widget runs the same engine as the full site, so the fees your readers see are verified monthly against each platform's official pricing page.
Embed code
<iframe src="https://www.profitvana.com/embed/ebay-fee-calculator" width="100%" height="540" style="border:1px solid #e5e7eb;border-radius:12px;max-width:600px" loading="lazy" title="eBay Fee Calculator by Profitvana"></iframe>Live preview
How to embed a calculator
- Choose the calculator you want in the gallery above.
- Copy the embed code.
- Paste it into your site's HTML where you want it to appear — a WordPress Custom HTML block, a Shopify page, or any static page.
Widgets are free to use on any site. Please keep the "Powered by Profitvana" link intact.
Who uses these widgets
- Reselling blogs— drop an eBay, Poshmark, or Mercari calculator into a "how much can you make" post so readers can run their own numbers without leaving the page.
- Seller guides and courses — pair a fee breakdown article with a live Amazon or Etsy calculator instead of a static fee table that goes stale.
- Freelancer resources— embed the PayPal or Stripe calculator next to invoicing advice so freelancers see exactly what they'll take home.
- Tools pages — add a working calculator to your resources page in under a minute.
Why embed instead of linking a fee table
Marketplace fees change constantly — eBay adjusts store rates, Facebook Marketplace doubled its selling fee, Walmart cut commissions for some categories. A static fee table in a blog post is usually outdated within months. An embedded calculator never goes stale: it pulls the same monthly-verified fee data as Profitvana itself, so your page keeps giving readers correct numbers long after you hit publish — and readers who can calculate their real payout on your page stay on it longer.
Frequently asked questions
Is the embeddable fee calculator really free?
Yes — every widget is free for any website, commercial or personal. There is no signup, no API key, and no usage limit. We only ask that you keep the small “Powered by Profitvana” attribution link intact.
How do I add a fee calculator to my website?
Pick a calculator in the gallery, copy the iframe snippet, and paste it into your page's HTML where you want the calculator to appear. It works on WordPress (a Custom HTML block), Shopify pages, Wix, Squarespace, Ghost, and any hand-coded site.
Do the embedded fees stay up to date?
Yes. The widget loads the live calculator, so it always uses the same fee data as the main site — every rate is re-verified monthly against the platform's official fee page. When a marketplace changes its fees, your embed updates automatically with no action from you.
Will the widget slow my page down or track my visitors?
The widget is a single lightweight iframe with no ad scripts and no cross-site tracking cookies. It loads independently of your page content, so it does not block your page's rendering.
Can I embed the calculator in a WordPress post?
Yes. In the block editor add a “Custom HTML” block, paste the snippet, and preview the post. In the classic editor, switch to the Text (HTML) tab before pasting.