PALM vs CAL — Comparison & Free Converter
Fast, instant PALM to CAL (CALS) conversion. No signup required. Just drop your .palm file and get .cal in seconds.
Batch Settings
还在为PALM文件无法导入日历应用而烦恼吗？无论是工作日程、会议安排，还是个人纪念日、朋友聚会，PALM格式的日程数据在不同设备和平台间流转时，常常会遇到兼容性问题。别担心，我们的在线工具能帮您轻松搞定。PALM文件作为一种历史悠久的个人助理数据格式，虽然在特定场景下仍有应用，但如今主流的日历服务普遍采用CAL（iCalendar）标准。将您的PALM文件转换为CAL格式，不仅能让数据在手机、平板、电脑等各种设备上无缝同步，还能方便地导入到微信日历、飞书日历等常用应用中，让您的时间管理更加高效、便捷。告别手动录入的繁琐，一键转换，让您的日程安排井井有条。
- 微信群组活动日历共享
- 游戏公会活动时间同步
- 跨境电商团队会议安排
在大陆地区，许多老旧的PDA或早期智能手机导出的PALM文件，可能需要转换为CAL格式才能顺利导入到微信日历或钉钉日历等本土化应用中。
About PALM to CAL (CALS) Conversion
PALM or CAL — which format should you use? The answer depends on your needs. Here's a quick breakdown.
PALM is a widely used file format. It has common platform support. CAL is a widely used file format. It has common platform support.
So when should you convert PALM to CAL? This conversion is ideal when you When you need a CAL file. This conversion helps you convert between formats quickly.
Converting PALM to CAL maintains high quality with CocoConvert's optimised encoder settings.
If you've decided CAL is the right choice, CocoConvert makes the conversion effortless. Upload your .palm file, pick CAL, 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 PALM to CAL (CALS)
- 1
Choose your PALM file
Upload your .palm file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to CAL
Select .cal 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 CAL file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert PALM to CAL (CALS)
Your PALM file is decoded and re-encoded as CAL.
Your PALM file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in CAL format
The converted file is ready for download
Format Comparison
PALM
.palm file
| Extension | .palm |
| MIME Type | image/x-palm |
| Category | Image |
CAL (CALS)
.cal file
| Extension | .cal |
| MIME Type | image/x-cals |
| Category | Image |
Should You Convert PALM to CAL (CALS)?
When to Convert
- ✓When you need a CAL file
Frequently Asked Questions
Should I use PALM or CAL?
It depends on your goal. PALM preserves full quality. CAL preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is CAL higher quality than PALM?
Not necessarily. Converting PALM to CAL 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 PALM to CAL 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 PALM to CAL?
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 PALM to CAL?
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.