2
votes
4answers
2k views

How can I reduce the file size of a JPEG keeping the same image width and height?

I have a 700Kb JPEG file (white cardboard texture) that I'm using as a background on a website. A file this large takes too long to load for snappy page hits. I don't need the full resolution, a ...
3
votes
4answers
2k views

Will changing image resolution from 300 to 72 without resampling reduce the quality?

This is a rather stupid question so I apologise in advance but I just wanted to be 100% sure! I have a set of photos at 300 ppi that are 800 pixels by 800 pixels and need to convert them in Photoshop ...
1
vote
0answers
158 views

Images Have Different Vertical & Horizontal Resolutions in PDF

I recently got a PDF from a client that includes several images. For some strange reason, the vertical and horizontal resolution of each individual image differs. Some of them differ by a huge degree. ...
1
vote
1answer
4k views

Quality of .gif output from Photoshop

I'm trying to output a .gif from Photoshop (CS6) and have run into some difficulty with the quality it is producing. Ideally, each image should resemble the .jpg stills which are crisp and clear, but ...
7
votes
4answers
34k views

Reduce file size without losing quality

I would like to save files in Photoshop but keep them as small as possible. I use Save for Web (and Devices) and save as a JPEG. Here are the settings I used: I really do not want to lower the ...
0
votes
1answer
296 views

How could I split image into 1 pixel sgements? [closed]

Suppose that we have 400x400 bitmap pixel RGB dimensions, I need to split it into 160000 segments so each segment has its own resolution so when we zoom in, the whole image resolution will not be ...
9
votes
7answers
1k views

Techniques to dramatically scale an image

I have been given an impossible task: Take a picture image (jpg) at 1422 x 1067 px with 100 dpi and scale it to 86400 x 29376 px (that's equivalent to 34ft x 100ft or 30.5 meters x 10.36 meters) ...
0
votes
3answers
409 views

Image resizing, maintaing image size - beginner question [closed]

I am attempting to resize an image from 480x800 to 320x240. Below are the results. The original image has an oval shaped circle whereas the re-sized image has a more spherical shape. Is it possible to ...