CGM vs SVGZ — Comparison & Free Converter
Fast, instant CGM to SVGZ conversion. No signup required. Just drop your .cgm file and get .svgz in seconds.
Batch Settings
About CGM to SVGZ Conversion
CGM or SVGZ — which format should you use? The answer depends on your needs. Here's a quick breakdown.
CGM is a widely used file format. It has common platform support. SVGZ is a widely used file format. It has common platform support.
So when should you convert CGM to SVGZ? This conversion is ideal when you When you need a SVGZ file. This conversion helps you convert between formats quickly.
Converting CGM to SVGZ maintains high quality with CocoConvert's optimised encoder settings.
If you've decided SVGZ is the right choice, CocoConvert makes the conversion effortless. Upload your .cgm file, pick SVGZ, 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 CGM to SVGZ
- 1
Choose your CGM file
Upload your .cgm file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to SVGZ
Select .svgz 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 vector files.
- 4
Get your SVGZ file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert CGM to SVGZ
Your CGM file is decoded and re-encoded as SVGZ.
Your CGM file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in SVGZ format
The converted file is ready for download
Format Comparison
CGM
.cgm file
| Extension | .cgm |
| MIME Type | image/cgm |
| Category | Vector |
SVGZ
.svgz file
| Extension | .svgz |
| MIME Type | image/svg+xml |
| Category | Vector |
Should You Convert CGM to SVGZ?
When to Convert
- ✓When you need a SVGZ file
Frequently Asked Questions
Should I use CGM or SVGZ?
It depends on your goal. CGM preserves full quality. SVGZ preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is SVGZ higher quality than CGM?
Not necessarily. Converting CGM to SVGZ 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 CGM to SVGZ 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 CGM to SVGZ?
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 CGM to SVGZ?
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.