/
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.
Paycheck widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Paycheck Calculator →
Mortgage widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Mortgage Calculator →
GST/HST widget
Canadian GST/HST calculator for 2026 with add-tax and remove-tax modes, province-by-province GST, HST, PST, RST and QST breakdowns, comparisons, exportable reports, and current Nova Scotia 14% HST handling.
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full GST/HST Calculator →
VIN widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full VIN Decoder →
Rental ROI widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Rental Property ROI Calculator →
Severance widget
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="720" 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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Severance Pay Calculator Canada →
Photo Resizer widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Exam Photo & Signature Resizer →
Hourly to Salary widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Hourly to Salary Calculator →
CGPA Converter widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full CGPA to Percentage Converter →
Bill Splitter widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Group Bill Splitter & Tip Calculator →
Age Calculator widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Exam Age & DOB Calculator →
Word Counter widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Word & Character Counter →
Percentage Calc widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Percentage Calculator (4-in-1) →
Image Converter widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Image Format Converter (WebP / PNG / JPG) →
Time Zone Converter widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Visual Time Zone Converter & Meeting Planner →
Days Calculator widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Days Between Dates Calculator →
QR Code Generator widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Permanent QR Code Generator (Never Expires) →
Password Generator widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Strong Cryptographic Password Generator →
Penalty Calc widget
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">usecos.app</a> </p>
💡 Tip: Add ?key=value to pre-fill values. Open full Mortgage Penalty Calculator →
The 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.