PGM (Portable Graymap) is a grayscale image format from the Netpbm family.
STD is a drawing template format from StarOffice/StarDraw.
FreeFileConvert uses tuned encoding for PGM to STD conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload PGM files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized STD results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent STD audio with dependable progress tracking.
PGM files support 8 or 16-bit grayscale with ASCII or binary encoding.
STD files contain reusable drawing templates with styles.
Upload your image file in the PGM format from your device, Dropbox, or Google Drive.
Select STD as the output format and click Convert. Adjust optional settings if needed.
Download the converted vector file. Each file stays available for up to 5 downloads.