PNG to PBM Converter
Need to convert this file type? Drop it below — or drop any other file and we'll auto-switch. Outputs are auto-deleted after 2 hours; share links expire after 4.
Or paste a link to a file
Drop multiple images to combine them into one PDF, Word document, or PowerPoint presentation — or convert each image separately.
Drop
Drag your PNG file or click to browse.
Convert
PBM is preselected, or pick a different format below.
Download
Get your file or share a 1-hour link.
Convert PNG to PBM online
Use this PNG to PBM converter to turn PNG files into PBM right in your browser — ideal for graphics, photos and web and sharing.
When should you convert PNG to PBM?
- When you need it for graphics
- When you need it for photos
- To open your files in apps that prefer PBM
- To share PBM files more easily
What happens to your file
PBM is a monochrome-only format. Transparency is flattened onto white, then the image is dithered down to pure black and white — there are no greys in the output at all.
Settings this conversion runs with
| Engine | Pillow (Python Imaging Library) |
|---|---|
| Colour mode | 1-bit bilevel |
What changes
- Every colour and every shade of grey is reduced to one of two values. Photographs become dithered patterns; this format suits line art, faxes, and simple logos.
About PNG and PBM files
PNG image
Strengths
- transparent backgrounds
- sharp text and lines
- lossless quality
Limitations
- larger files than JPG for photos
- no animation
PBM image
Strengths
- widely viewable
- good for visuals
Limitations
- may need converting for some apps
PNG vs PBM
| Format | PNG | PBM |
|---|---|---|
| Compression | Lossless | — |
| Transparency | Yes | — |
| Best for | screenshots, logos and icons | graphics, photos |
Related tools
Frequently asked questions
- What happens to the image when you convert PNG to PBM?
- PBM is a monochrome-only format. Transparency is flattened onto white, then the image is dithered down to pure black and white — there are no greys in the output at all.
- What should you know before converting PNG to PBM?
- Every colour and every shade of grey is reduced to one of two values. Photographs become dithered patterns; this format suits line art, faxes, and simple logos.
- Is this PNG to PBM converter free?
- Yes. You can convert PNG to PBM online for free, with no account and no watermark.
- Do I need to install software or sign up?
- No. Use the converter from your browser without installing software or creating an account. Files are uploaded to our servers for processing.
- Are my files safe?
- Yes. Files are processed only to complete the conversion and are auto-deleted after 2 hours. We never share them.
- Can I convert multiple PNG files at once?
- Yes. Drop several files to convert them in a batch and download the results as a single ZIP.