Convert PNG to PPM online in seconds — free, with no sign-up. PPM is lossless and ideal for intermediate processing; converted to PNG/JPG for sharing. Your files are encrypted and deleted automatically after 24 hours.
PNG
Portable Network Graphics — A lossless raster format that keeps every pixel and supports full alpha transparency.
PPM
Portable Pixmap — A simple uncompressed format used in image-processing pipelines.
How to convert PNG to PPM
- 1Upload your PNG file
Click “Choose a file” or drag and drop your PNG file onto the page — no sign-up or email needed.
- 2Convert to PPM
PPM is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your PPM file
Your PPM file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
PNG vs PPM
| PNG | PPM | |
|---|---|---|
| Full name | Portable Network Graphics | Portable Pixmap |
| Type | Raster image | Raster image |
| Compression | Lossless | Lossless |
| Best for | logos, icons, screenshots and graphics with sharp edges or transparency | intermediate processing; converted to PNG/JPG for sharing |
Frequently asked questions
Does converting PNG to PPM lose quality?
No. Both PNG and PPM are lossless, so every detail is preserved exactly — the conversion is visually and mathematically identical to the original.
What's the difference between PNG and PPM?
Portable Network Graphics (PNG) is lossless and best for logos, icons, screenshots and graphics with sharp edges or transparency. Portable Pixmap (PPM) is lossless and best for intermediate processing; converted to PNG/JPG for sharing. Convert PNG to PPM when you need a raster image for intermediate processing.
Is the PNG to PPM converter free?
Yes — converting PNG to PPM is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my PNG files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert PNG to PPM on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert PNG to PPM?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert PNG files to?
Besides PPM, you can convert PNG to AVIF, BMP, GIF, ICO, JPG, PDF and more — see the full list of PNG conversions below.
Other conversions
Last updated July 2026