QR Code Generator
Create scannable QR codes for URLs, Wi-Fi, contact details, and plain text.
<iframe src="https://sopkit.github.io/embed-tool/?id=qr-code-generator&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Embed Free Tools on Your Website
Add a working calculator, converter, or generator to any page with a single iframe snippet. Every widget is completely free, needs no backend on your side, and runs inside a sandboxed iframe so it can never break your layout.
100% free
No usage caps, no watermark, no attribution required.
No backend needed
One static snippet works on WordPress, Ghost, Hugo, or plain HTML.
Sandboxed iframe
The widget is isolated from your page's scripts and styles.
Theme & accent options
Match light/dark mode and pick from four accent colors.
Ready-made embed snippets
Copy the snippet, paste it into your page's HTML, and the tool just works. Open Live preview to try each widget before embedding.
Password Generator
Generate cryptographically secure random passwords with custom length and symbols.
<iframe src="https://sopkit.github.io/embed-tool/?id=password-generator&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
JSON Formatter
Beautify, validate, and minify JSON data with instant syntax highlighting.
<iframe src="https://sopkit.github.io/embed-tool/?id=json-formatter&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
Word Counter
Count words, characters, sentences, and paragraphs in any block of text.
<iframe src="https://sopkit.github.io/embed-tool/?id=word-counter&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
Case Converter
Switch text between UPPERCASE, lowercase, Sentence case, and Title Case.
<iframe src="https://sopkit.github.io/embed-tool/?id=case-converter&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
UUID/GUID Generator
Generate unique UUID v4 identifiers for databases, APIs, and testing.
<iframe src="https://sopkit.github.io/embed-tool/?id=uuid-generator&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
Length Converter
Convert between meters, feet, inches, miles, kilometers, and more.
<iframe src="https://sopkit.github.io/embed-tool/?id=length-converter&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly.
<iframe src="https://sopkit.github.io/embed-tool/?id=temperature-converter&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
RGB to HEX Converter
Translate RGB color values into HEX codes for CSS and design work.
<iframe src="https://sopkit.github.io/embed-tool/?id=rgb-to-hex-converter&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
Color Converter
Transform color codes between HEX, RGB, HSL, and CMYK formats.
<iframe src="https://sopkit.github.io/embed-tool/?id=color-converter&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
Markdown to HTML Converter
Turn Markdown into clean HTML markup for blogs, docs, and newsletters.
<iframe src="https://sopkit.github.io/embed-tool/?id=markdown-to-html&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
Base64 Encode
Encode plain text into Base64 strings for tokens, data URIs, and APIs.
<iframe src="https://sopkit.github.io/embed-tool/?id=base64-encode&theme=light" width="100%" height="600" frameborder="0" loading="lazy"></iframe>Live preview
URL parameters
| Parameter | Values | Description |
|---|---|---|
| id | any tool ID | Which tool to load, e.g. qr-code-generator. See the gallery above for verified IDs. |
| theme | light | dark | Color scheme of the embedded tool. Defaults to dark if omitted. |
| accent | blue | purple | emerald | orange | Accent color applied to buttons and highlights. Defaults to blue. |
Framing policy: all /embed-tool/* routes send X-Frame-Options: ALLOWALL, so browsers will never block these widgets when embedded on your domain. Regular SopKit pages stay protected against clickjacking.
Need a different tool?
Any tool ID from our library works with the same URL pattern. Browse everything on the online tools hub and swap the id parameter.