So I suggest working from your PSD and saving a new jpg each time you make a change. This means if you keep saving a jpg file over and over, it will deteriorate in quality. Most photos you see online are jpg.īecause they are compressed, they suffer from Generational loss. When you need to email a photo, upload it to a website of social network, share on mobile etc. Jpg is the most common format for saving photos when you need a smaller file size. Also when I have finished editing my pictures for local printing on an Epson printer, I save the master print file as a lossless Tiff. It’s very common to send a tiff for offset printing. The most common use for Tiff is a print file. I prefer PSD for my working file because when I see a PSD I knows its my layered file and my Tiff are my print files. Clipping paths, alpha channels transparency. Tiff can also be used as an archival format, this is a lossless format, so file sizes can be large.
This is similar to a PSD in many ways and supports most of Photoshop’s features (Tiff v6). Exabytes = 1,024 Petabytes, 1 Petabyte is 1024, Terabytes. If you need a larger file, save it as a PSB (Photoshop Big) which supports 300,000 pixels or 4 Exabytes. A PSD has a file limit of 30,000 pixels or 2 Gb. PSB (Photoshop Big)Ī Psd is the same as a PSD, but supports larger files. Image Data: The image itself saves at a data file. Merged info (only if maximize compatibility on). Layer and Mask Information: Layer count layer names, Channels info, blending modes, opacity, clipping groups, Adjustment layers, layer styles, type layers, gradients, patterns, vector mask, Image resources: Grayscale, multichannel and Color halftone info, Thumbnails, paths, slices, Layer comps, aspect ratio, Layer groups, HDR toning, grids, thumbnails, vanishing point, etc. Header: dimensions, #channels, Color depth and modeĬolor Mode data: Indexed and Duotone only Here is more info than you probably want to know about a PSD: A PSD is divided into 5 parts This makes it possible to open in a previous version of Photoshop or embed in other non Adobe programs. If you have Maximize Compatibility turned on when you save, it will also save a flattened version in the file. A PSD saves all the layers, masks, channels, paths etc. This is great for archiving and working form as it supports all of Photoshop’s features. It supports RGB, CMYK, LAB and Duotone color spaces. It’s the best for using as your working file.
This is the main file format for Photoshop.