How to convert JP2 to PPM
To convert JP2 to PPM, upload your JP2 file, choose PPM as the output format and press Convert. The finished PPM 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 JP2 images into PPM 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 JP2 to PPM?
- Trivial to read and write
- No compression artefacts
- Perfect for scripts and teaching
- Works with: GIMP, ImageMagick, Netpbm, OpenCV and Python imaging libraries
What to expect from this conversion
- PPM has no transparency, so transparent areas are filled with a background colour. White by default, and you can choose another colour in the options.
- Browsers do not display PPM files, so use it in editors, print workflows or development tools rather than on a web page.
JP2 vs PPM
| Property | JP2 | PPM |
|---|---|---|
| Full name | JPEG 2000 | Portable Pixmap |
| Released | 2000, Joint Photographic Experts Group | 1988, Jef Poskanzer (Netpbm) |
| Compression | Lossy or lossless | None (uncompressed) |
| Transparency | Yes | No |
| Animation | No | No |
| Bit depth | up to 16-bit | 8 or 16-bit |
| Shown in browsers | No | No |
| Best for | digital libraries and archives; medical and geospatial images | computer-vision and graphics classes; scripting pipelines |
Steps to convert JP2 to PPM
- Drop your JP2 image file onto the converter, or click to choose it.
- Check that PPM is selected as the target and adjust the options if you want.
- Press Convert, then download your new PPM 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 JP2 to PPM?
Drop your JP2 files on the converter, confirm that PPM is the target and press Convert. Download each file or the whole batch as a ZIP.
Is the JP2 to PPM 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 JP2 to PPM reduce quality?
PPM has no transparency, so transparent areas are filled with a background colour. White by default, and you can choose another colour in the options. The quality slider only affects formats that use lossy compression.
Will transparency be kept when I convert JP2 to PPM?
PPM does not support transparency, so transparent areas are filled with your chosen background colour (white by default).
Which programs open PPM files?
PPM files open in GIMP, ImageMagick, Netpbm, OpenCV and Python imaging libraries.
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.