Bulk HEIC to PNM Converter Online — Free HD Quality
Drag and drop your multiple HEIC files into this 100% free online HEIC to PNM converter (.heic to .pnm), and click the Convert button to bulk convert them to PNM format in HD quality. Use the quality slider to fine-tune your PNM output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original HEIC files are removed from our servers right after. Also see:Batch HEIF to PNG converter.
Drop your HEIC files here to convert to PNM, or click to browse
Converts .heic to PNM (.pnm) in HD quality — bulk, free, no signup
Choose FilesHEIC vs PNM — File Format Comparison
See how HEIC and PNM compare across file extension, MIME type, compression, and feature support. Related:Queue HEIC to PPM conversions.
| Feature | HEIC | PNM |
|---|---|---|
| File Extension | .heic | .pnm |
| MIME Type | image/heic | image/x-portable-anymap |
| Compression Type | Lossy | Lossless |
| Transparency Support | No | No |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is HEIC Format?
High Efficiency Image Container used by Apple devices.
- Compression: Lossy
- Transparency: Not supported
- Animation: Not supported
What Is PNM Format?
Portable Anymap format, generic Netpbm format.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported