Convert PPM to PNG online in seconds — free, with no sign-up. PNG is lossless and ideal for logos, icons, screenshots and graphics with sharp edges or transparency. Your files are encrypted and deleted automatically after 24 hours.
PPM
Portable Pixmap — A simple uncompressed format used in image-processing pipelines.
PNG
Portable Network Graphics — A lossless raster format that keeps every pixel and supports full alpha transparency.
How to convert PPM to PNG
- 1Upload your PPM file
Click “Choose a file” or drag and drop your PPM file onto the page — no sign-up or email needed.
- 2Convert to PNG
PNG is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your PNG file
Your PNG file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
PPM vs PNG
| PPM | PNG | |
|---|---|---|
| Full name | Portable Pixmap | Portable Network Graphics |
| Type | Raster image | Raster image |
| Compression | Lossless | Lossless |
| Best for | intermediate processing; converted to PNG/JPG for sharing | logos, icons, screenshots and graphics with sharp edges or transparency |
Frequently asked questions
Does converting PPM to PNG lose quality?
No. Both PPM and PNG are lossless, so every detail is preserved exactly — the conversion is visually and mathematically identical to the original.
What's the difference between PPM and PNG?
Portable Pixmap (PPM) is lossless and best for intermediate processing; converted to PNG/JPG for sharing. Portable Network Graphics (PNG) is lossless and best for logos, icons, screenshots and graphics with sharp edges or transparency. Convert PPM to PNG when you need a raster image for logos.
Is the PPM to PNG converter free?
Yes — converting PPM to PNG 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 PPM 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 PPM to PNG 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 PPM to PNG?
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 PPM files to?
Besides PNG, you can convert PPM to AVIF, BMP, GIF, ICO, JPG, PDF and more — see the full list of PPM conversions below.
Other conversions
Last updated July 2026