Turn PGM images into PDF. It is converted in your browser, so the file never leaves your device.
Drop PGM files here
or choose from your computer paste with Ctrl V
from Photos or Files
Ready · other file types work too0 bytes uploaded, ever
Drop PGM files onto the box above, or click it to choose them. ToAny reads the file's contents to detect the type, so a wrong extension does not matter.
Press Convert. Open Options first if you want to change the defaults. The work happens in this tab.
Save the PDF, or download everything as one ZIP if you converted several files.
The PGM to PDF converter is part of this page and runs inside your browser. Your images are never sent to ToAny or to anyone else.
Nothing has to travel to a server and back, so the conversion starts the moment you press Convert, even on a slow connection.
No sign-up, no email address and no watermark. Add several files and download them together as a ZIP.
PGM files are uncompressed and greyscale only, and few everyday apps open them. PDF looks the same on every device and keeps several pages in one file. PGM is at home in greyscale images in scientific and command-line tools; PDF is the usual choice for documents that must look the same everywhere, and printing.
Add several files and you can also combine them into a single PDF. The defaults suit most files. Under Options you can choose the page size.
Pictures with more than 8 bits per channel are reduced to 8 bits when they are decoded. Each picture becomes one page. The page can match the picture's own size or be A4 or US Letter; on paper the sheet turns to suit the picture, which is shrunk to fit inside the margins and never enlarged.
PGM is the greyscale member of the Netpbm family: a text header and then one brightness value per pixel, uncompressed. It is used in image-processing courses, computer vision datasets and Unix pipelines where a minimal format helps.
Opens in GIMP, ImageMagick, IrfanView and Unix graphics tools; not browsers
PGM converterPDF fixes a document's layout so it looks identical on every screen and printer. That makes it the default for forms, invoices and anything sent to print, and also what makes it awkward to edit.
Opens in Every browser, phone and computer
PDF converter| PGMPGM image | PDFPDF document | |
|---|---|---|
| Stands for | Portable Graymap | Portable Document Format |
| Type | Raster image | Fixed-layout document |
| Compression | None | Mixed: text is stored as text, images keep their own compression |
| Introduced | 1988, by Jef Poskanzer | 1993, by Adobe (an ISO standard since 2008) |
| Opens in | GIMP, ImageMagick, IrfanView and Unix graphics tools; not browsers | Every browser, phone and computer |
| Best for | Greyscale images in scientific and command-line tools | Documents that must look the same everywhere, and printing |
| File extension | .pgm | .pdf, .ai |
No. The PGM to PDF conversion runs inside your browser, on your own phone or computer. The file is not sent to ToAny or to anyone else.
No visible change: the image is placed on a PDF page at its full resolution.
Yes. Add as many as you like, convert them together and download each result or all of them as one ZIP. You can also merge them into a single PDF.
The steps are the same everywhere because ToAny runs in the web browser: open this page in a current version of Chrome, Edge, Safari or Firefox, add the PGM file, press Convert and save the PDF. There is nothing to install.
Because nothing is uploaded, the practical limit is your device's memory. Very large files can fail on phones with little free memory; a computer copes better.