BMP to PGM Converter

Batch convert bmp files to pgm online. Change bmp to pgm on Windows, Mac, Iphone or Android in a couple of clicks.

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

How to convert BMP files to PGM online?

Step-by-step instructions for converting bmp files to pgm

Upload BMP-file

Click "Choose File" button to select a bmp file on your computer. BMP file size can be up to 50 Mb.

Convert BMP to PGM

Click "Convert" button to start conversion.

Download your PGM

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


  • ❓ How can I convert BMP to PGM?
    First you need to add file for conversion: drag and drop your BMP file or click the "Choose File" button. Then click the "Convert" button. When BMP to PGM conversion is completed, you can download your PGM file.
  • ⏱️ How long does it take to convert BMP to PGM?
    Image conversion is pretty fast. You can change BMP to PGM in a few seconds.
  • 🛡️ Is it safe to convert BMP to PGM on AnyConv?
    Of course! We delete uploaded files immediately, and converted ones after 24 hours. No one has access to your files. File conversion (including BMP to PGM) is absolutely safe.
  • 💻 Can I convert BMP to PGM on Mac OS or Linux?
    Yes, you can use AnyConv on any operating system that has a web browser. Our BMP to PGM converter works online and does not require software installation.

Information about BMP and PGM file formats

Full name BMP - Microsoft Windows bitmap PGM, Portable Gray Map Image
File extension .bmp, .dib .pgm
MIME type image/bmp, image/x-bmp image/x-portable-graymap
Developed by Microsoft Jef Poskanzer
Type of format Raster graphics Raster image
Description The BMP file format, also known as bitmap image file or device independent bitmap (DIB) file format or simply a bitmap, is a raster graphics image file format used to store bitmap digital images, independently of the display device, especially on Microsoft Windows and OS/2 operating systems. PGM files are known as portable graymap files and contain grayscale image information. These files can be saved in two representations, either as plain (ASCII) text or binary. In which way the PGM is saved is apparent in the file header. If the header contains the string "P2" it is a text format, if it contains the string "P5", it's a binary representation. Binary PGM files can contain more than one image. This is not possible for the text-based PGM. It is limited to one image.
Technical details The bitmap image file consists of fixed-size structures as well as variable-size structures appearing in a predetermined sequence. Many different versions of some of these structures can appear in the file, due to the long evolution of this file format. Portaple Gray Map Images can be encoded using either one byte or two bytes per pixel, representing either 8 or 16 bits. The file header contains different information such as the width and height of the image and the maximum number of black and white shades. The information is stored in a grit format, consisting of different numbers. These numbers represent the grayscale shades of the image, ranging from black (0) to white (65.536).
File conversion BMP conversion PGM conversion
Associated programs Microsoft Paint, Adobe Photoshop, Paint Shop Pro, the GIMP, GraphicConverter, Helicon Filter, ImageMagick, Inkscape, IrfanView, Pixel image editor, Paint.NET. ACD Systems ACDSee 18, ACD System Canvas 15, Adobe Photoshop with plug-in, Corel PaintShop Pro X8, GIMP, Inkscape, Netpbm
BMP to PGM conversion quality rating:
4.2 (53 votes)
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