![]() The picture is compressed using Photoshop CC. In return you are able to quickly upload, download, transfer, or store your photos on a desired device.įor instance, see the below image. You can accept a little drop in picture quality that is not noticed by human eye. What is Compression?Ĭompression involves decreasing the dimensions and size of the image file. In the process certain image details are compromised. Having said that, you can maneuver the file settings in a way that the optimized image has reduced file size but without noticeable quality change. The methods shared here are for both Windows and macOS users. This post guides you in detail on the various ways to compress photos while obtaining the optimum quality. ![]() And may be looking for the best ways to compress photos without losing quality. Obviously you don’t want to compromise on quality. But here, the greatest fear is of losing the picture quality after compression. Whether you want to upload photos on web, share online, email, or save disk space when storing thousands of photos, file compression is the key. How to compress photos without quality loss.Here's a python script that uses this function to run batch image resizing. Print('writing to disk'.format(out_f_path)) Img = img.resize((max_px_size, hsize), Image.ANTIALIAS) Hsize = int(float(height_0) * float(wpercent)) Out_f_path = os.path.join(output_folder, out_f_name) Not the prettiest but gets the job done and is easy to understand: def resize(img_path, max_px_size, output_folder): ![]() Return img.resize(size_new, resample=Image.LANCZOS)Ī simple method for keeping constrained ratios and passing a max width / height. If img_ratio = video_ratio: # image is not tall enough Width, height = video_size # these are the MAX dimensions So after I couldn't find an obvious way to do that here (or at some other places), I wrote this function and put it here for the ones to come: from PIL import Imageĭef get_resized_img(img_path, video_size): The Image.thumbnail method was promising, but I could not make it upscale a smaller image. I was trying to resize some images for a slideshow video and because of that, I wanted not just one max dimension, but a max width and a max height (the size of the video frame).Īnd there was always the possibility of a portrait video. I hope it might be helpful to someone out there! I tried to document it as much as I can, so it is clear. # Enter the name under which you would like to save the new imageĪnd, it is done. # resample filter ->, (default),, etc. #new_width = round(new_height * asp_rat) ![]() # uncomment the second line (new_width) and comment the first one (new_height) # NOTE: if you want to adjust the width to the height, instead -> Img = img.resize((new_width, new_height), Image.ANTIALIAS) Img = Image.open(img_path) # puts our image to the buffer of the PIL.Image object You do not need the semicolons ( ), I keep them just to remind myself of syntax of languages I use more often. In this case, it will adjust the height to match the width of the new image, based on the initial aspect ratio, asp_rat, which is float (!).īut, to adjust the width to the height, instead, you just need to comment one line and uncomment the other in the else loop. I will also add a version of the resize that keeps the aspect ratio fixed.
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