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
G3形式で保存された大切な画像、特にFAXで受け取った書類や古いデータが、お使いの環境でうまく表示されずお困りではありませんか？PFM形式は、プリンターのフォント情報や詳細な画像データを保持するのに適しており、特に印刷品質を重視する場面でその真価を発揮します。この変換ツールは、G3の持つ情報とPFMの高精細な表現力を橋渡しし、お客様の大切なデータをより活用しやすい形で提供します。複雑な設定は一切不要。数クリックで、G3ファイルをPFMへとスムーズに変換し、クリアでプロフェッショナルな出力をお手伝いします。ビジネス文書からクリエイティブな作品まで、幅広い用途でご活用ください。
- ビジネス文書の印刷
- 漫画・イラストのDTP
- 縦書きレイアウトの保持
日本では、FAX文化が根強く残るためG3形式の書類を扱う機会が多く、高品位な印刷を求める際にPFMへの変換が特に有効です。縦書きの表現もPFMであればより忠実に再現できます。
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.