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