/
Widgets
Add privacy-first Canadian calculators to a blog, brokerage site, dealership page, or finance resource. Copy one iframe, paste it into your site, and keep the full calculator available through usecos.app.
Verified July 29, 2026 · Widget attribution is branded, optional, and not keyword-stuffed.
Direct answer
These widgets are for adding useful calculators to another site, not for manufacturing keyword-rich backlinks. Use the branded attribution as written, remove it if your editorial policy prefers, and avoid replacing it with exact-match anchors such as mortgage calculator Canada.
Embeds do not set ad-tracking cookies or collect calculator inputs.
Works with WordPress, Squarespace, Wix, Webflow, and plain HTML.
Each full calculator links to methodology and public sources where applicable.
Choose a calculator that fits your article. The iframe works without attribution; the optional branded link lets readers open the full tool.
Vehicle buying guides for Canada and the US
Decodes vehicle attributes. It does not provide ownership, accident, lien or complete recall history.
The optional link includes fixed referral tags. An embed view is different from a visit to the full tool. Review the tool’s sources and limitations before recommending it.
Canadian take-home pay calculator for 2026 with federal and provincial brackets, CPP, CPP2, EI, Quebec QPP/QPIP, Ontario surtax and health premium, RRSP deductions, pay-period conversion, and US state/federal estimates.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/pay" width="100%" height="750" style="border:none;border-radius:12px;overflow:hidden" title="Free Paycheck Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Paycheck Calculator →
Canadian mortgage calculator for 2026 with semi-annual compounding, CMHC insurance estimates, OSFI minimum qualifying rate stress test, amortization schedules, extra payments, land transfer tax, and side-by-side scenarios.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/mortgage" width="100%" height="800" style="border:none;border-radius:12px;overflow:hidden" title="Free Mortgage Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Mortgage Calculator →
Grade your Canadian mortgage renewal offer against the best rate you have been quoted elsewhere. Calculate your 5-year extra interest cost, monthly overpay, and principal lost to the higher rate.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/renewalOfferGrader" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Mortgage Renewal Offer Grader Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Mortgage Renewal Offer Grader →
Instant Canadian sales tax & GST/HST calculator for 2026. Calculate GST, HST, PST, and QST across all 13 provinces and territories, or reverse-calculate pre-tax amounts and tax portions from receipts and invoices.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/gst" width="100%" height="680" style="border:none;border-radius:12px;overflow:hidden" title="Free GST/HST Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full GST/HST Calculator →
VIN decoder for Canadian and US used-car buyers with 17-character VIN validation, check digit math, model-year decoding, WMI lookup, NHTSA vPIC vehicle attributes, US recall lookup, and Transport Canada recall guidance.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/vin" width="100%" height="620" style="border:none;border-radius:12px;overflow:hidden" title="Free VIN Decoder Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full VIN Decoder →
Used-car VIN listing match checker for Canadian buyers. It compares seller listing text and fields with decoded VIN year, make and model signals, highlights mismatches, and reminds buyers to confirm recalls, lien/title records, paperwork and inspection results.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/vinListingMatch" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free VIN Listing Match Checker Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full VIN Listing Match Checker →
Comprehensive Canadian used vehicle total cost of ownership calculator. Compare purchase price, financing interest, provincial sales tax, fuel consumption, insurance, maintenance sinking funds, and depreciation to understand the true cost per kilometre before buying.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/usedCarCost" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Used Car Cost Calculator Canada Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Used Car Cost Calculator Canada →
Canadian rental property ROI calculator for screening cash flow, cap rate, cash-on-cash return, break-even rent context, and DSCR with visible formulas and source-backed assumptions.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/investor" width="100%" height="760" style="border:none;border-radius:12px;overflow:hidden" title="Free Rental Property ROI Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Rental Property ROI Calculator →
Canadian GDS/TDS debt service ratio calculator for mortgage qualification screening. Enter gross income, proposed mortgage payment, property tax, heating, condo fees and other monthly debt for an instant GDS and TDS result against CMHC's published maximum ratios.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/debtServiceRatio" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Debt Service Ratio Calculator (GDS/TDS) Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Debt Service Ratio Calculator (GDS/TDS) →
Free, private Canadian severance pay calculator. Compare provincial statutory minimum notice against common law reasonable notice ranges (Bardal factors), CRA lump-sum withholding tax brackets, and pre-1996 RRSP retiring allowance rollover rules.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/severance" width="100%" height="740" style="border:none;border-radius:12px;overflow:hidden" title="Free Severance Pay Calculator Canada Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Severance Pay Calculator Canada →
Free client-side image resizer and compressor. Crop and scale candidate photos & signatures to official 20KB-50KB limits for SSC CGL, UPSC, IBPS, Railway RRB, and Passport applications with Name & Date of Photo (DOP) stamp generator. 100% private, zero uploads.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/photoResizer" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Exam Photo & Signature Resizer Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Exam Photo & Signature Resizer →
Interactive hourly wage to salary conversion engine supporting overtime at 1.5x and 2.0x rates, paid vacation weeks, unpaid time off, and annual bonuses across US and Canadian labour standards.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/hourlySalary" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Hourly to Salary Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Hourly to Salary Calculator →
Official multi-university CGPA to percentage converter providing exact formulas, academic division classifications, and copyable verification statements for job, visa, and admissions applications.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/cgpaConverter" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free CGPA to Percentage Converter Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full CGPA to Percentage Converter →
Group dining bill splitter that handles even splits or itemized food & drinks with fair proportional tax and tip sharing, person-by-person breakdowns, and copyable text summaries.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/billSplitter" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Group Bill Splitter & Tip Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Group Bill Splitter & Tip Calculator →
Government exam age eligibility and cut-off date calculator supporting instant Pass/Fail eligibility verification, category relaxation rules, and DOB ranges.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/ageCalculator" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Exam Age & DOB Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Exam Age & DOB Calculator →
High-performance client-side word and character counter with platform limit indicators for Twitter, LinkedIn, Google SEO tags, and college application essays.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/wordCounter" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Word & Character Counter Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Word & Character Counter →
4-in-1 percentage calculation suite with step-by-step arithmetic explanations for everyday discounts, tax markups, and growth calculations.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/percentageCalculator" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Percentage Calculator (4-in-1) Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Percentage Calculator (4-in-1) →
High-performance client-side batch image format converter supporting WebP, PNG, JPG, and JPEG with custom compression quality and zero server uploads.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/imageConverter" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Image Format Converter (WebP / PNG / JPG) Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Image Format Converter (WebP / PNG / JPG) →
Real-time visual time zone converter and global meeting scheduler featuring working hour indicators and Slack/Calendar copyable invites.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/timeZoneConverter" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Visual Time Zone Converter & Meeting Planner Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Visual Time Zone Converter & Meeting Planner →
High-precision calendar and business days calculator supporting statutory holiday exclusions, date math additions, and countdown timers.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/daysCalculator" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Days Between Dates Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Days Between Dates Calculator →
Pure static ISO-compliant standard QR code generator with custom foreground/background colors and instant high-res PNG and vector SVG downloads.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/qrCodeGenerator" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Permanent QR Code Generator (Never Expires) Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Permanent QR Code Generator (Never Expires) →
100% private in-browser Web Crypto API random password and multi-word passphrase generator with NIST SP 800-63B entropy validation.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/passwordGenerator" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Strong Cryptographic Password Generator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Strong Cryptographic Password Generator →
Estimate prepayment penalties when breaking or refinancing a Canadian mortgage. Supports 3 months interest, fair standard IRD, and Big-5 bank posted rate discount clawback calculations with break-even refinance metrics.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/mortgage-penalty" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Mortgage Penalty Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Mortgage Penalty Calculator →
Free grocery unit price comparison calculator (per 100g, kg, oz, lb, L) and comprehensive price-matching rules directory for No Frills, FreshCo, Canadian Tire, Walmart, Costco, Superstore, Bulk Barn, and Target.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/grocery-unit-price-calculator" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Grocery Unit Price & Store Price Match Calculator Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Grocery Unit Price & Store Price Match Calculator →
Canadian auto loan calculator with provincial sales tax rules, positive and negative trade-in equity, bi-weekly and monthly payment frequencies, dealer fees, down payments, and FCAC loan term warnings.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/auto-loan" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Auto Loan Calculator Canada Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Auto Loan Calculator Canada →
Side-by-side Canadian lease vs finance calculator comparing monthly payments, total cash outlay, residual value buyout, tax treatment on lease payments vs purchase price, and equity at lease end.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/lease-vs-finance" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free Lease vs Finance Calculator Canada Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Lease vs Finance Calculator Canada →
Canadian Tax-Free Savings Account (TFSA) contribution room calculator from 2009 through 2026. Computes lifetime room by birth year, Canadian residency, historical withdrawals, past deposits, and CRA penalty avoidance.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/tfsa" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free TFSA Contribution Room Calculator Canada Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full TFSA Contribution Room Calculator Canada →
Canadian first-time homebuyer calculator comparing FHSA tax-free in / tax-free out rules against RRSP Home Buyers' Plan (HBP) $60,000 withdrawal limits, 15-year repayment rules, and optimal combination strategies.
Copy the code below and paste it into your website. Compatible with WordPress, Squarespace, Wix, and any HTML page. No tracking cookies, fully responsive, and always free.
<iframe src="https://usecos.app/embed/fhsa" width="100%" height="720" style="border:none;border-radius:12px;overflow:hidden" title="Free FHSA vs RRSP HBP Calculator Canada Widget" loading="lazy" ></iframe> <p style="font-size:12px;text-align:center;margin:6px 0 0;color:#64748b"> Calculator powered by <a href="https://usecos.app/" rel="nofollow noopener" rel="nofollow noopener">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full FHSA vs RRSP HBP Calculator Canada →
Quick Setup Guide
1. Add a 'Custom HTML' block. 2. Paste the iframe code. 3. Click Preview or Publish.
1. Drag an 'Embed' component into your container. 2. Paste the iframe code. 3. Set width to 100%.
1. Add a 'Code' or 'HTML Embed' block. 2. Paste the iframe snippet. 3. Enable display mode: HTML.
1. Render the <iframe> element with loading='lazy'. 2. Style width 100% and overflow hidden.
All widgets accept URL query parameters so you can pre-fill default values for your visitors. For example, to embed a mortgage calculator with a pre-filled price of $750,000 and 20% down payment:
https://usecos.app/embed/mortgage?homePrice=750000&downPaymentPct=20The sample code includes optional branded attribution to usecos.app. Avoid changing it to keyword-heavy anchor text when you place widgets on other websites.
Source: Google Search spam policies identify keyword-rich links embedded in distributed widgets as a link-spam risk. The snippets here use only the brand name usecos.app with rel="nofollow".