PNGPGM

Convert PNG to PGM

Free, fast and private. Your PNG files are converted right in your browser — nothing is uploaded.

  • Runs in your browser
  • No watermark
  • Batch & ZIP download

Need a smaller PNG? Compress PNG

How to convert PNG to PGM

  1. 1

    Add your PNG files

    Drag and drop PNG files onto the converter, paste them, or click to browse. You can add several at once.

  2. 2

    Choose PGM

    PGM is already selected. Open Options if you want to change quality, size or metadata.

  3. 3

    Convert

    Click Convert. Your files are converted right in your browser in seconds.

  4. 4

    Download your PGM

    Download each PGM file, or everything at once as a ZIP.

PNG vs PGM

From

PNG · Portable Network Graphics

PNG is a lossless raster format that keeps every pixel exactly as it was and supports full alpha transparency.

Type
Image
Extension
.png
MIME
image/png
Best for
screenshots, logos, UI assets and any graphic that needs sharp edges or a transparent background
LosslessTransparencyOpen standard
All PNG conversions →

To

PGM · Portable Graymap

PGM is the grayscale member of the Netpbm family: uncompressed, simple and easy to parse.

Type
Image
Extension
.pgm
MIME
image/x-portable-graymap
Best for
grayscale image processing
Lossless
All PGM conversions →

Need it the other way around? Convert PGM to PNG.

Related conversions

PNG to PGM: frequently asked questions

Free, private and in your browser

Convert PNG to PGM in seconds.

No sign-up, no watermarks, no waiting in line. Drop a file and get it back in the format you need.

  • Most conversions never leave your device
  • Cloud files deleted automatically
  • No watermarks