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This website provides a collection of visual illusions and demonstrations that illustrate various principles of perception. It serves as an educational resource for understanding how our visual system interprets and sometimes misinterprets the world around us. Users can explore different types of illusions, learn about the underlying cognitive processes, and test their own perception.

Shottr is a screenshot tool for macOS that offers features like scrolling screenshots, hiding desktop icons, removing objects, and quick annotations. It supports capturing specific areas, entire screens, or windows, and provides tools for editing and sharing screenshots quickly. To use, simply press Cmd+Shift+3 or Cmd+Shift+4, select the area, and use the annotation tools.

Ribbet is an online photo editor that offers a wide array of tools to enhance and transform your photos. It allows users to crop, resize, adjust colors, add effects, and apply filters. Ribbet also provides templates for creating collages, cards, and other designs. Simply upload your photo, select a tool, and adjust the settings to achieve the desired look. Once you're satisfied, you can save and share your edited photo.

Stolen Camera Finder helps you identify your camera if it's lost or stolen. By analyzing photos taken with the camera, it can match the serial number to registered devices, aiding in recovery. It also allows you to search for photos taken with a specific camera to track its usage.

Screenshot Guru is a free online tool that allows you to quickly take screenshots of web pages. Simply enter the URL of the page you want to capture, and Screenshot Guru will generate high-resolution images of the entire page, even if it requires scrolling. It's a simple and effective way to capture full-page screenshots without the need for browser extensions or desktop software.

Zoom.it is a simple online tool that allows you to zoom in and out of images. Just upload your image and share the link. It's useful for sharing high-resolution images or detailed diagrams where viewers need to see specific parts clearly.

PFPMaker automatically removes backgrounds from photos and generates professional-looking profile pictures with various backgrounds. It uses AI to center the face and offers options to adjust the zoom, crop, and background colors. Users can download the final image in high resolution for use on social media, websites, or business cards.

Vector Magic is a software that converts bitmap images like JPEGs, GIFs and PNGs to crisp, clean vector art. Simply upload your image, and Vector Magic automatically traces it, converting it into an SVG or EPS vector format. You can then download the vectorized image for use in logos, illustrations, and more. It offers full control over the vectorization process, allowing you to adjust settings and fine-tune the results to meet your specific needs.

FocoClipping is an AI-powered background remover that lets you quickly and easily remove backgrounds from images. Simply upload your photo, and the AI will automatically detect the subject and remove the background. You can then download the image with a transparent background or add a new background.

Unscreen automatically removes the background from any video – no green screen required. It analyzes your video and automatically detects the foreground, allowing you to change the background, add a new one, or simply remove it. Simply upload your video, and Unscreen will process it to remove the background. You can then download the video or GIF with a transparent background or choose a new background.

CSS Unit Converter is a free online tool that simplifies CSS development by allowing you to convert values between different CSS units. It supports pixels (px), em, rem, points (pt), pica (pc), inches (in), millimeters (mm), centimeters (cm), viewport width (vw), viewport height (vh), viewport min (vmin), and viewport max (vmax). Simply enter a value and select the input and output units to get the converted result instantly.