G3 vs PFM — Comparison & Free Converter
Fast, instant G3 (FAX) to PFM conversion. No signup required. Just drop your .g3 file and get .pfm in seconds.
Batch Settings
Dans l'univers foisonnant des formats de fichiers, il est fréquent de rencontrer des situations où un document, parfait dans son contexte d'origine, nécessite une adaptation pour une nouvelle utilisation. Le passage du G3 au PFM en est un exemple éloquent. Le format G3, souvent associé à la télécopie et à des documents numérisés avec une préoccupation première pour la taille de fichier, cède parfois la place au PFM, privilégié pour sa gestion plus fine des images en niveaux de gris et sa capacité à préserver des détails cruciaux. Que ce soit pour une publication professionnelle, une archivage précis ou une intégration dans un flux de travail graphique, cette conversion n'est pas qu'une simple formalité technique ; elle est une démarche qui assure l'intégrité et la qualité visuelle de vos contenus. Notre outil est conçu pour faciliter cette transition, garantissant que vos images conservent toute leur fidélité et leur impact.
- Numérisation de formulaires administratifs (Belgique)
- Archivage de plans techniques (Québec)
- Préparation d'illustrations pour l'impression (Suisse)
En France, la transition de documents scannés en G3 vers le PFM est particulièrement pertinente pour les archives départementales ou les services d'urbanisme qui requièrent une haute fidélité pour la conservation à long terme des plans cadastraux ou des dossiers de permis de construire.
About G3 (FAX) to PFM Conversion
G3 or PFM — which format should you use? The answer depends on your needs. Here's a quick breakdown.
G3 is a widely used file format. It has common platform support. PFM is a widely used file format. It has common platform support.
So when should you convert G3 to PFM? This conversion is ideal when you When you need a PFM file. This conversion helps you convert between formats quickly.
Converting G3 to PFM maintains high quality with CocoConvert's optimised encoder settings.
If you've decided PFM is the right choice, CocoConvert makes the conversion effortless. Upload your .g3 file, pick PFM, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert G3 (FAX) to PFM
- 1
Choose your G3 file
Upload your .g3 file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to PFM
Select .pfm from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large image files.
- 4
Get your PFM file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert G3 (FAX) to PFM
Your G3 file is decoded and re-encoded as PFM.
Your G3 file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in PFM format
The converted file is ready for download
Format Comparison
G3 (FAX)
.g3 file
| Extension | .g3 |
| MIME Type | image/g3fax |
| Category | Image |
PFM
.pfm file
| Extension | .pfm |
| MIME Type | image/x-pfm |
| Category | Image |
Should You Convert G3 (FAX) to PFM?
When to Convert
- ✓When you need a PFM file
Frequently Asked Questions
Should I use G3 or PFM?
It depends on your goal. G3 preserves full quality. PFM preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is PFM higher quality than G3?
Not necessarily. Converting G3 to PFM maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert G3 to PFM on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for G3 to PFM?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for G3 to PFM?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.