Primarily, one must understand the term pixelate. Images created in Photoshop are measured by dots per inch (dpi). An image that pixelates turns blurry, losing its sharpness. The more one tries to enlarge the image, the fuzzier it becomes until it loses definition, exhibiting tinted boxes, hence, pixilated.
Moreover, it’s essential to recognize that Images designed for web or computer appear sharp at 72-dpi because monitors use tiny pixels to assemble text and images on screen; however, printing a 72-dpi image will look blurry. A 300-dpi resolution is needed to print sharp images. Yet, using a 300-dpi image on your website will not improve sharpness; it merely slows down the website due to the larger file.
Furthermore, an image created in photoshop, let’s say 2” x 2” at 300-dpi, will print sharp at that particular size. Once you begin to manipulate and enlarge it, let’s say to a 6” x 6”, it will become pixelated. It becomes a numbers game; photography is a skill and an art in itself and should be valued for what it represents.
So, how does one create a logo that will not pixelate?
The software program is key.
I use Adobe Illustrator, a vector graphic software program that works with points, not pixels; therefore, you can create at a size of your comfort level then resize. Vector images can be scaled indefinitely without losing quality, and the image will always remain sharp and crisp.