Embed Free Tools on Your Site
Add powerful, privacy-first tools to your website with a single line of code. No API key. No signup. No cost. Tools run entirely in your visitor's browser.
100% Free
No API keys, no rate limits, no hidden fees. Embed as many tools as you want.
Privacy-First
All processing happens in your visitor's browser. No data is ever sent to a server.
One Line of Code
Copy a single iframe tag. No JavaScript SDK, no build step, no dependencies.
How It Works
- 1
Pick a tool from the list below
Choose any of our 93+ tools to embed on your website.
- 2
Copy the embed code
Click the copy button to grab the iframe snippet.
- 3
Paste into your HTML
Drop the code into any webpage, blog post, or CMS. It works everywhere iframes are supported.
Embed Code Format
<iframe
src="https://utilitydocker.com/embed/json-formatter"
width="100%"
height="500"
frameborder="0"
style="border: 1px solid #e2e8f0; border-radius: 8px;"
></iframe>
Replace json-formatter with any tool slug from the list below.
Top Embeddable Tools
These tools work great as embeds. You can embed any of our 93+ tools using the slug from its URL.
Format, validate, and minify JSON data instantly in your browser. Free online JSON beautifier with syntax highlighting.
<iframe src="https://utilitydocker.com/embed/json-formatter" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Create custom QR codes for URLs, text, WiFi, and more. Customize colors and download as PNG or SVG. Free, no signup required.
<iframe src="https://utilitydocker.com/embed/qr-code-generator" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Generate strong, random passwords with customizable length, character types, and strength meter. Cryptographically secure — everything runs locally.
<iframe src="https://utilitydocker.com/embed/password-generator" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Pick colors and convert between HEX, RGB, HSL, and HSB formats. Copy color codes instantly for your design projects.
<iframe src="https://utilitydocker.com/embed/color-picker" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Convert between units of length, weight, temperature, volume, and more. Fast, free, and accurate unit conversion tool.
<iframe src="https://utilitydocker.com/embed/unit-converter" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Count words, characters, sentences, and paragraphs instantly. Includes reading time, speaking time, and keyword density analysis.
<iframe src="https://utilitydocker.com/embed/word-counter" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Encode and decode Base64 strings instantly in your browser. Supports text and file encoding with no data sent to any server.
<iframe src="https://utilitydocker.com/embed/base64-encoder" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files. Verify file integrity with instant client-side hashing.
<iframe src="https://utilitydocker.com/embed/hash-generator" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Generate placeholder text for your designs and mockups. Choose paragraphs, sentences, or words with instant copy to clipboard.
<iframe src="https://utilitydocker.com/embed/lorem-ipsum-generator" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Test and debug regular expressions in real time. Validate regex patterns with match highlighting, capture groups, and capture group display.
<iframe src="https://utilitydocker.com/embed/regex-tester" width="100%" height="500" frameborder="0" style="border: 1px solid #e2e8f0; border-radius: 8px;"></iframe> Embed Any Tool
The tools above are our top picks, but you can embed any tool on UtilityDocker.
Just replace the slug in the embed URL with the tool's slug from its URL.
For example, the tool at /tools/image-compressor
can be embedded with /embed/image-compressor.
Customization Tips
Adjust Height
Change the height attribute to fit your layout.
Most tools work well between 400px and 700px.
Responsive Width
Keep width="100%" so the tool stretches to fit
its container. Wrap in a max-width div if needed.
Style the Border
Modify the inline style attribute to match your
site's design. Or remove it entirely for a borderless embed.
Works Everywhere
WordPress, Notion, Ghost, Webflow, Squarespace, plain HTML, React apps - any platform that supports iframes.
Frequently Asked Questions
Is this really free?
Yes, completely free. No API key, no account, no usage limits. We just ask that you keep the small "Powered by UtilityDocker" link visible.
Do you track my visitors?
The embed pages are minimal and do not include analytics or tracking scripts. All tool processing happens client-side in your visitor's browser.
Can I remove the "Powered by" link?
The "Powered by UtilityDocker" link is part of our free embed license. If you need white-label embeds without branding, please contact us about our enterprise options.
What if a tool doesn't fit in the iframe?
Increase the height attribute on the iframe. Some tools like PDF Merger or Image Cropper may need 600-800px. The iframe will scroll internally if content overflows.
Is there a rate limit or usage cap?
No. Since all tools run client-side in your visitor's browser, there are no server-side rate limits. Each visitor loads the tool once and all processing happens locally.
Ready to Embed?
Pick a tool, copy the code, and paste it into your site. It takes less than 30 seconds.