JPG to PNM Converter

Select files for conversion or just drag and drop them to the upload area

How to convert JPG files to PNM online?

Step 1.

Upload JPG-file

Click "Choose File" button to select a jpg file on your computer. JPG file size can be up to 50 Mb.
Step 2.

Convert JPG to PNM

Click "Convert" button to start conversion.
Step 3.

Download your PNM

When the conversion process is complete, you can download the PNM file.

Information about JPG and PNM file formats

Name JPG PNM
Full name JPG - Joint Photographic Experts Group Portable Any Map Image
File extension .jpg, .jpeg, .jpe .pnm
MIME type image/jpeg image/x‑portable‑bitmap, image/x‑portable‑graymap, image/x‑portable‑pixmap, image/x‑portable‑anymap
Developed by Joint Photographic Experts Group Jef Poskanzer
Type of format lossy image format Image
Description JPG is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPG typically achieves 10:1 compression with little perceptible loss in image quality. A bitmap image in the Portable Any Map format that was originally developed for processing and storing several types of monochrome and color images without compression as well as grayscale images. Bitmap graphics data in a PNM file are stored using ASCII or binary structure.
Technical details Image files that employ JPG compression are commonly called "JPG files", and are stored in variants of the JIF image format. Most image capture devices (such as digital cameras) that output JPG are actually creating files in the Exif format, the format that the camera industry has standardized on for metadata interchange.
File conversion JPG conversion PNM conversion
Associated programs Apple Safari, Google Chrome, Mozilla Firefox, Internet Explorer, Adobe Photoshop, Paint Shop Pro, the GIMP, ImageMagick, IrfanView, Pixel image editor, Paint.NET, Xara Photo & Graphic Designer. GIMP, ImageMagick, Newera Graphics Converter Pro, The MathWorks MATLAB, Wolfram Research Mathematica, XnView
Wiki https://en.wikipedia.org/wiki/JPEG https://en.wikipedia.org/wiki/Netpbm_format
JPG to PNM conversion quality rating:
4.2 (1655 votes)
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