File converter / Images / Convert to JPG / PGM converter / JPG to PGM
JPG to PGM converter
OnlineConvertFree provides free image conversion services without requiring any software installation. Easily convert your jpg files to pgm or any other format with just a few clicks.
Converting your jpg file to pgm is easy with these steps.
Converting your pgm file to jpg is easy with these steps.
You can select jpg file you want to convert from your computer, Google Drive, Dropbox or simply drag and drop it onto the page.
Select «to pgm»
Choose pgm or any of the other 200+ supported formats you'd like to convert to.
Download your pgm file
Please wait for the conversion to complete, then click on the download button to obtain your converted file in the pgm format.
Converting jpg to pgm
Simply drag and drop your jpg files onto the webpage, and you'll be able to convert them to pgm or over 250 different file formats, all without having to register, provide an email address, or include a watermark.
As soon as you upload your jpg files, we instantly delete them. Converted files are then deleted after 24 hours. Furthermore, we ensure that all file transfers are secure through advanced SSL encryption.
You don't have to go through the hassle of installing any software. We handle all jpg to pgm conversions in the cloud, which means that none of your computer's resources will be used in the process.
Joint Photographic Experts Group JFIF format
🔵 Microsoft Windows Photo Gallery Viewer
🔵 Adobe Photoshop
🔵 Adobe Suite
🔵 Apple Preview
🔵 Corel Paint Shop Pro
🔵 Most web browsers
|Description||🔵 JPG – is a popular graphic format characterized by a high image compression rate, which leads to a decrease in image quality. It uses the technology of encoding smooth color renditions, providing the ability to frequently reduce the amount of data during the image's recording. Because of the small size, it is requested by the owners of websites, allowing you to save the traffic effectively. It is also frequently used in memory cards of digital video cameras. The JPG algorithm is optimally suitable for compressing photographs and pictures in which realistic scenes with little contrast of colors are present. It is not recommended to use this format for compression of drawings and various kinds of graphics. A strong contrast between several near located pixels provokes the appearance of visible artifacts.|
|Technical details||🔵 The procedure for compressing the digital images in JPG format is carried out in several stages. First, the photo is transformed into a color space YCbCr, and then it is divided into squares to determine the upper range of the color spectrum. Finally, the colors and brightness are coded. JPEG uses a "lossy" compression system and discrete cosine transform technology. The format acts simultaneously as the standard of ISO and the International Telecommunication Union. The file compression ratio is in the range from 10:1 to 100:1. In this case, the reduction in image quality can vary from insignificant to substantial.|
|Developer||🔵 The JPEG Committee|
Portable Gray Map Image
🔵 ACD Systems ACDSee 18
🔵 ACD System Canvas 15
🔵 Adobe Photoshop with plug-in
🔵 Corel PaintShop Pro X8
|Description||🔵 PGM file format was developed alongside the open-source Netpbm package of graphics program. Developed by Jef Poskanzer in 1988, PGM was a format for storing grayscale images and supporting bitmap. The PGM file format is forward compatible with recent graphics editing software like Corel PaintShop Pro X4, ACDSee Photo Manager 14, and ACD Systems Canvas 15. Being a plain text format, PGM can be edited using any available text editor, and thus survives the quintessential changes that image files undergo when transmitted via email. PGM files come in two types, only differentiated by magic numbers – P2 and P5, which helps graphics editor software identify the data encryption standard.|
|Technical details||🔵 Portable Gray Map Images can be stored away with each pixel taking up memory space of either 8 or 16 bits. There are two major sections in the plain text string of a PGM file – the header and image data. The header starts with the magic number, followed by characters indicating image width, image height, maximum grayscale shade value – never exceeding 65.536, all sandwiched by whitespaces. Though used mainly on the UNIX-based operating system, being open-source has earned the PGM file compatibility with macOS and Windows.|
|Developer||🔵 Jef Poskanzer|
❓ How do I change jpg to pgm?
To get started, either pick a file you want to convert from jpg and select it or drag and drop it into the conversion tool. Next, select the desired format that you wish to convert your file to. Once you have selected the format, click the "convert" button and wait for the tool to finish converting your file.
⏳ What is the estimated time it will take to convert jpg to pgm?
Typically, image conversions only take a few seconds, so you can expect a speedy conversion when changing jpg to pgm.
🛡️ Can I trust OnlineConvertFree to convert jpg to pgm securely?
Absolutely! We take your security seriously, and guarantee the protection of your uploaded and converted files. No one will have access to your information since we delete all files once the conversion process is complete. You can trust that all types of conversions, including jpg to pgm, are 100% safe on OnlineConvertFree.
📱 Is it possible to convert jpg to pgm without having to install any software?
Yes, that's right! OnlineConvertFree doesn't require any installation, which means that you can convert any files, including jpg to pgm, on your computer or mobile device, completely online.
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