Securely convert your PPM files to JNG using our entirely local, in browser file converter. No download required, no data leaves your computer.
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Portable pixmap format (color)
PPM stands for Portable Pixmap, and it is a simple image format that is part of the Netpbm package. The PPM format stores color images in a plain text or binary format, representing pixel values with three numbers for red, green, and blue color channels. PPM files are easy to read and understand, but they can be large in size as they do not employ any form of compression, resulting in each pixel being represented by full color intensity values.
JPEG Network Graphics
JNG (JPEG Network Graphics) is an image file format similar to PNG, but it uses JPEG compression for bitmaps and offers support for color and grayscale images with or without transparency. This format was designed to provide a simpler, more efficient method for transmitting images over the internet, and it allows for lossy compression to reduce file size without a significant loss in quality for certain types of images. However, JNG is not as widely supported as other more common image formats like JPEG and PNG.
Related
We support converting from PPM to all of these formats
We support converting to JNG from all of these formats
Features
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We do all processing locally in your browser using WebAssembly. Your files never leave your computer.
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