Convert HEIF images to PPM online with ImageHQ.
or drag and drop images here
Fast async jobs
No install required
Temporary files
Batch uploads
Sibling conversion platform
ImageHQ is built for fast image tools. For broader file conversion — including documents, videos, audio, archives, and hundreds of file formats — use ConverterHQ.
.heif
ppm
/v1/convert
Submit files to /v1/convert, poll the job endpoint, then download outputs programmatically.
PPM does not support alpha transparency. Transparent HEIF areas must be flattened onto a background color.
Animated, sequence, or multipage inputs need explicit frame/page handling.
Converting HEIF to PPM decodes the source image and writes a PPM output. Use this route when PPM is a better fit for compatibility, file size, editing, or delivery.
Quality behavior depends on PPM compression: uncompressed.
Choose conversion targets based on PPM compression, transparency, animation, metadata, and compatibility requirements.
Known metadata support: Exif, XMP, item properties, thumbnails, derived images.
Supported by ImageMagick, Netpbm, and technical imaging tools.
ISO - standards_body
Nokia Technologies - developer_documentation
ExifTool - library_documentation
ImageMagick - library_documentation
Netpbm - official_project_documentation
Netpbm - official_project_documentation