1. Click "Choose Files" button and select your PNM files you would like converted.
2. Click on the “Convert to HEIF” button to start the conversion.
3. When the status change to “Done” click the “Download HEIF” button
To convert in the opposite direction, click here to convert from HEIF to PNM
PNM Image Format is a simple uncompressed raster (bitmap) image format used in conjunction with Netpbm library and suite of image processing utilities. Conversion between these formats is straightforward; many conversion utilities exist within Netpbm software suite to facilitate it. PBM, PGM and PPM formats are specifically designated to monochrome, grayscale and RGB bitmaps respectively. ...
HEIF stands for High Efficiency Image File Format and is an image container format using the HEVC (or H.265) encoding standard. It can hold individual images, sequences and audio data; in addition to supporting additional items like alpha planes, depth maps and metadata that may complement its main objects.
HEIF files offer several advantages over JPEGs in terms of size and ...
Upload a PNM file, click "Convert", and use additional options to quickly modify its contents before downloading the final HEIF file after processing has completed.
Our PNM to HEIF converter works on Windows, Mac OS, Linux, iOS and Android systems alike - our servers automatically process each file without requiring you to install plug-ins or applications!
We guarantee 100%% of the privacy and have no access to your files once uploaded/converted, making them inaccessible by anyone and completely protecting them.