YAML vs YML — Comparison & Free Converter
Fast, instant YAML to YML conversion. No signup required. Just drop your .yaml file and get .yml in seconds.
Batch Settings
YAML 和 YML 本质上是同一种格式，区别只在于文件后缀名。很多工具、框架或部署平台对后缀有明确要求，传错了轻则报错，重则整个流程卡死。这个转换工具做的事情很简单：把 .yaml 文件改成 .yml，或者反过来，内容一个字节都不动。不用手动改名，不用担心编码出问题，上传之后直接下载就行。无论是本地开发环境的配置文件，还是要提交到仓库的流水线脚本，格式对了，后面的事情才顺。
- 微信机器人或小程序的配置文件对接
- Steam 或国产游戏平台的 CI/CD 流水线脚本
- 阿里云、腾讯云部署模板的格式统一
国内不少开发团队同时维护 GitHub Actions 和内网 GitLab CI，两套系统对后缀的默认识别不一样，批量转换能省去不少来回排查的功夫。
About YAML to YML Conversion
YAML or YML — which format should you use? The answer depends on your needs. Here's a quick breakdown.
YAML is a human-readable data format popular in DevOps, Kubernetes, and configuration files. It has universal platform support. YML is a widely used file format. It has common platform support.
So when should you convert YAML to YML? This conversion is ideal when you When you need a YML file. This conversion helps you convert between formats quickly.
Converting YAML to YML maintains high quality with CocoConvert's optimised encoder settings.
If you've decided YML is the right choice, CocoConvert makes the conversion effortless. Upload your .yaml file, pick YML, 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 YAML to YML
- 1
Choose your YAML file
Upload your .yaml file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to YML
Select .yml 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 code / data files.
- 4
Get your YML file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert YAML to YML
Your YAML file is decoded and re-encoded as YML.
Your YAML file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in YML format
The converted file is ready for download
Format Comparison
YAML
.yaml file
| Extension | .yaml |
| MIME Type | application/x-yaml |
| Category | Code / Data |
YML
.yml file
| Extension | .yml |
| MIME Type | application/x-yaml |
| Category | Code / Data |
Should You Convert YAML to YML?
When to Convert
- ✓When you need a YML file
Frequently Asked Questions
Should I use YAML or YML?
It depends on your goal. YAML preserves full quality. YML preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is YML higher quality than YAML?
Not necessarily. Converting YAML to YML 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 YAML to YML 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 YAML to YML?
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 YAML to YML?
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.