How to Convert PGM to ICO — Quick & Free
Fast, instant PGM to ICO conversion. No signup required. Just drop your .pgm file and get .ico in seconds.
Batch Settings
About PGM to ICO Conversion
Short answer: yes, you can convert PGM to ICO online for free, and quality is well preserved with the right settings. Just upload your .pgm file to CocoConvert, pick ICO as the output, and click Convert. The whole process takes seconds.
Now for the details. PGM is a widely used file format. ICO is the icon format used for website favicons and Windows application icons. Converting between these two formats lets you convert between formats quickly.
Your PGM file is decoded and re-encoded as ICO. Converting PGM to ICO maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert PGM to ICO
- 1
1. Upload PGM
Drop your .pgm file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select ICO
Choose .ico from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .ico file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert PGM to ICO
Your PGM file is decoded and re-encoded as ICO.
Your PGM file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in ICO format
The converted file is ready for download
Format Comparison
PGM
.pgm file
| Extension | .pgm |
| MIME Type | image/x-portable-graymap |
| Category | Image |
ICO
.ico file
| Extension | .ico |
| MIME Type | image/x-icon |
| Category | Image |
Should You Convert PGM to ICO?
When to Convert
- ✓When you need a ICO file
Frequently Asked Questions
Is PGM to ICO conversion free?
Yes. CocoConvert offers free PGM to ICO conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is PGM to ICO conversion?
Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded PGM file and the converted ICO file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting PGM to ICO lose quality?
Converting PGM to ICO maintains high quality with CocoConvert's optimised encoder settings.
Can I convert ICO back to PGM?
Yes, CocoConvert supports ICO to PGM conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.