In their more basic form, GIFs are formed from up to 256 colors in the RGB colorspace. It seems like every day we see pop culture GIF references from Giphy in the comments of social media posts. GIFs are most common in their animated form, which are all the rage on Tumblr pages and in banner ads. This makes for a much sharper, web-quality image. The reason PNGs are used in most web projects is that you can save your image with more colors on a transparent background. While PNGs are "lossless," meaning you can edit them and not lose quality, they are still low resolution. PNGs are amazing for interactive documents such as web pages but are not suitable for print. jpg remains the standard and default on many image software programs. While there is no such requirement today. jpg to accommodate the three-character limit in early versions of Windows. The only reason that the two extensions exist for the same format is because. Regardless of how you name your file, it is still the same format and will behave the same way. Paying attention to the resolution and file size with JPEGs is essential in order to produce a nice-looking project. You can use JPEGs for projects on the web, in Microsoft Office documents, or for projects that require printing at a high resolution. JPEGs are known for their "lossy" compression, meaning that the quality of the image decreases as the file size decreases. JPEGs might be the most common file type you run across on the web, and more than likely the kind of image that is in your company's MS Word version of its letterhead. JPEG (or JPG) - Joint Photographic Experts Group JPEG (or JPG) - Joint Photographic Experts Groupġ.You will end up with a pixelated image that appears stretched and distorted. Pulling an image off of the web and trying to get it to fit the dimensions of your print project just won't work. A lot of magic can happen in Photoshop, but creating pixels out of thin air isn't one of them. Best practices for printing an image will require it to be no less than 300dpi.ĭon't try to trick the system. Websites display images at 72dpi, which is low resolution however images at this resolution look really crisp on the web. The biggest thing to note when determining what DPI or PPI you require is if you are using an image for print or web. Have you heard your designer talk about DPI or PPI? DPI stands for "dots per inch" and PPI translates to "pixels per inch." These units of measure are essential for determining if the density of pixels in an image is appropriate for the application you are using. Often they'll have a vector file of your logo that they can send to you for your records. If you're not sure whether you have a vector version of your logo, here's a little trick for you: Call the company that printed your business cards or the vendor that embroidered your logo on a shirt. The real beauty of vectors lies in their ability to be sized as small as a postage stamp, or large enough to fit on an 18-wheeler! Your logo and brand graphics should have been created as a vector, and you should always have a master file on hand. EPS, AI and PDF are perfect for creating graphics that require frequent resizing. They are constructed using proportional formulas rather than pixels. As a result, it is important to remember to save raster files at the exact dimensions needed for the application. In order to retain pixel quality, you cannot resize raster images without compromising their resolution. Pixels have a defined proportion based on their resolution (high or low), and when the pixels are stretched to fill space they were not originally intended to fit, they become distorted, resulting in blurry or unclear images. Every photo you find online or in print is a raster image. JPEG, GIF, and PNG are all raster image extensions. Raster images are constructed by a series of pixels, or individual blocks, to form an image. We've put together a useful outline to help you understand the difference between each file format, and when they are appropriate to use.įirst things first: What is the difference between vector and raster? Raster Image Files While the large variety of image formats may seem overwhelming, there is a method to the madness. Unless you're a graphic designer by training (like me), chances are you've never needed to understand things like what separates a TIF from a PDF or a PSD. Have you ever wondered when you should use a JPG instead of a PNG? Or maybe you're just trying to figure out which program opens an INDD.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |