Embed our free interactive tools on your site

Add any of these 13 calculators and 3D widgets to your own website, blog, or documentation with a single line of HTML. They are completely free, run in your visitors' browsers, and never show ads inside the embed.

How to embed a tool →

How embedding works

Pick a tool below and click Copy embed code.
Paste the <iframe> snippet into your page's HTML where you want the tool to appear.
That's it — the tool loads in a responsive frame and updates automatically as we improve it.

Want to see a widget first? Use Preview widget to open the standalone, chrome-free version we serve inside the iframe.

Compound Interest Calculator

See how your money grows over time.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/compound-interest-calculator" width="100%" height="600" style="border:0" loading="lazy" title="Compound Interest Calculator — 3d.quietools.com"></iframe>

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Loan & EMI Calculator

Know your monthly payment before you borrow.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/loan-calculator" width="100%" height="600" style="border:0" loading="lazy" title="Loan &amp; EMI Calculator — 3d.quietools.com"></iframe>

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Unit Converter

Convert length, weight, temperature, and more.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/unit-converter" width="100%" height="600" style="border:0" loading="lazy" title="Unit Converter — 3d.quietools.com"></iframe>

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Percentage Calculator

Percentages, increases, and differences made easy.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/percentage-calculator" width="100%" height="600" style="border:0" loading="lazy" title="Percentage Calculator — 3d.quietools.com"></iframe>

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QR Code Generator

Make a QR code for any link, text, or WiFi.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/qr-code-generator" width="100%" height="600" style="border:0" loading="lazy" title="QR Code Generator — 3d.quietools.com"></iframe>

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Password Generator

Strong, random passwords in one click.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/password-generator" width="100%" height="600" style="border:0" loading="lazy" title="Password Generator — 3d.quietools.com"></iframe>

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Color Palette Generator

Build harmonious color palettes fast.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/color-palette-generator" width="100%" height="600" style="border:0" loading="lazy" title="Color Palette Generator — 3d.quietools.com"></iframe>

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Image Compressor

Shrink images without losing quality.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/image-compressor" width="100%" height="600" style="border:0" loading="lazy" title="Image Compressor — 3d.quietools.com"></iframe>

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JSON Formatter

Format, validate, and minify JSON.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/json-formatter" width="100%" height="600" style="border:0" loading="lazy" title="JSON Formatter — 3d.quietools.com"></iframe>

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Time Zone Meeting Planner

Find a meeting time that works everywhere.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/timezone-meeting-planner" width="100%" height="600" style="border:0" loading="lazy" title="Time Zone Meeting Planner — 3d.quietools.com"></iframe>

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3D Room Paint & Flooring Calculator 3D

See your room in 3D and get exact paint and flooring amounts.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/room-paint-flooring-calculator" width="100%" height="600" style="border:0" loading="lazy" title="3D Room Paint &amp; Flooring Calculator — 3d.quietools.com"></iframe>

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3D Box Packing Calculator 3D

See how many items fit in a box — stacked in 3D.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/box-packing-calculator" width="100%" height="600" style="border:0" loading="lazy" title="3D Box Packing Calculator — 3d.quietools.com"></iframe>

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3D Sun Position & Shadow Simulator 3D

See where the sun sits and how long a shadow it casts.

Copy & paste this into your HTML

<iframe src="https://3d.quietools.com/embed/sun-shadow-simulator" width="100%" height="600" style="border:0" loading="lazy" title="3D Sun Position &amp; Shadow Simulator — 3d.quietools.com"></iframe>

Preview widget Full tool page

License & attribution

These widgets are free to embed on personal and commercial sites alike. Each one displays a small “Powered by 3d.quietools.com” link — please keep that attribution link intact and do not modify the iframe to remove it. You may not re-host or clone the underlying tool. Beyond that, embed away, and let us know if you build something cool with it.