Compress PGM Image Online - Free Tool
Processing runs in your browser. Output is .pgm. File size does not always go down (for example, already-optimised PNGs or JPEG→PNG). For a quality slider and byte-focused shrink without changing format logic here, use compress image.
or drop here · up to 500 MB
Max 50 MB · image/*
Preview (optional)
Your image appears here after you choose a file.
Preparing image compressor…
Please wait while we get everything ready.
Ready
Compress PGM Image Online - Free Tool
Shrink PGM file size for faster page loads, email attachments, or app bundles—preview quality before you ship assets.
Smaller files
Reduce kilobytes for hero images and catalog thumbnails without a desktop pipeline.
Quality preview
Compare before/after so marketing signs off on compression.
Browser-based
No upload queue for unreleased campaign art when processing is local.
Repeatable
Run another pass if the CMS still complains about file size.