Convert PPM to PNG - online and free
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PPM (Image)
| File extension | .ppm |
| Category | Image File |
| Description | The portable pixmap format (PPM) is an image format designed to be easily exchanged between platforms which is used by Netpbm - an open-source package of graphics programs and a programming library, used mainly in the Unix world. The format is a lowest common denominator color image file format and is highly inefficient, containing a lot of information the human eye can’t even discern. The precursor to the PPM format was the PBM format which was invented by Jef Poskanzer in the 1980s as a format that allowed monochrome bitmaps to be transmitted within an email message as plain ASCII text, allowing it to survive any changes in text formatting. By the end of 1988, Poskanzer had developed the PGM and PPM formats along with their associated tools and added them to Pbmplus. The final release of Pbmplus was December 10, 1991. |
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| Technical Details | A PPM file consists of a sequence of one or more PPM images. There are no data, delimiters, or padding before, after, or between images. Each PPM image consists of the following:
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| Developed by | Jef Poskanzer |
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PNG (Image)
| File extension | .png |
| Category | Image File |
| Description | PNG pronounced ping is a format for storing bitmapped (raster) images on computers. It was created originally to replace the GIF file format when it was announced that the companies who created the GIF format wanted royalties. PNG uses indexed colors and lossless compression (like a .GIF file), but without those copyright limitations; it cannot be animated like a GIF image. |
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| Technical Details | PNG images are in many ways better than .GIF as they also include an 8-bit transparency channel, which allows the colors in the image to fade from opaque to transparent; GIF images only support fully opaque or fully transparent pixels. PNG supports palettes of 24-bit RGB colors, RGB images or greyscale or RGB images. PNG was intended to be able to transfer images on the Internet, not professional graphics, and so does not support other colour spaces (such as CMYK). |
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| Developed by | PNG Development Group |
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Convert PPM file
Using Zamzar it is possible to convert PPM files to a variety of other formats
- ppm to ai (Adobe Illustrator Artwork)
- ppm to bmp (Windows bitmap)
- ppm to eps (Encapsulated PostScript)
- ppm to gif (Compuserve graphics interchange)
- ppm to jpg (JPEG compliant image)
- ppm to pcx (Paintbrush Bitmap Image)
- ppm to pdf (Portable Document Format)
- ppm to png (Portable Network Graphic)
- ppm to tga (Truevision Targa Graphic)
- ppm to tiff (Tagged image file format)
- ppm to wbmp (Wireless Bitmap File Format)
- ppm to webp (Lossily compressed image file)