How to convert PGM to JPG
To convert PGM to JPG, upload your PGM file, choose JPG as the output format and press Convert. The finished JPG file is ready to save to your phone or computer in seconds, free, with no watermark and no sign-up. Your file is deleted from our server about 30 minutes after the conversion.
This free online converter changes PGM images into JPG files in seconds, with no software to install and no watermark. You can convert several files at once, resize them and choose the quality for formats that support it. Metadata such as location tags is removed from the output for privacy.
Why convert PGM to JPG?
- Small photos at good quality
- Opens everywhere
- Adjustable compression
- Works with: every device, browser, editor and printer
What to expect from this conversion
- PGM is lossless and JPG is lossy, so the file will usually get much smaller. Use the quality slider to balance size and detail.
PGM vs JPG
| Property | PGM | JPG |
|---|---|---|
| Full name | Portable Graymap | Joint Photographic Experts Group |
| Released | 1988, Jef Poskanzer (Netpbm) | 1992, JPEG committee |
| Compression | None (uncompressed) | Lossy |
| Transparency | No | No |
| Animation | No | No |
| Bit depth | 8 or 16-bit gray | 8-bit |
| Shown in browsers | No | Yes |
| Best for | grayscale processing; image-analysis research | photographs; website images |
Steps to convert PGM to JPG
- Drop your PGM image file onto the converter, or click to choose it.
- Check that JPG is selected as the target and adjust the options if you want.
- Press Convert, then download your new JPG file when it finishes.
Tips for the best result
- Use quality 80 to 90 for photos: it is visually close to the original at a much smaller size.
- Set a width if the image will be shown on a small screen, which also reduces the file size.
- Choose a background colour before converting transparent images to a format without transparency.
Frequently asked questions
How do I convert PGM to JPG?
Drop your PGM files on the converter, confirm that JPG is the target and press Convert. Download each file or the whole batch as a ZIP.
Is the PGM to JPG converter free?
Yes. It is free with no watermark, no sign-up and no limit on how many images you convert. The site is supported by ads.
Does converting PGM to JPG reduce quality?
PGM is lossless and JPG is lossy, so the file will usually get much smaller. Use the quality slider to balance size and detail. The quality slider only affects formats that use lossy compression.
Will transparency be kept when I convert PGM to JPG?
PGM images do not contain transparency, so there is nothing to lose. JPG does not support it either.
Which programs open JPG files?
JPG files open in every device, browser, editor and printer.
How many images can I convert at once?
Up to 20 images per batch, each up to 60 MB. Files are deleted from the server about 30 minutes after conversion.