How to Convert CAL to PSB — Quick & Free
Fast, instant CAL (CALS) to PSB conversion. No signup required. Just drop your .cal file and get .psb in seconds.
Batch Settings
在处理图像文件时，您是否曾遇到过这样的情况：手头只有CAL格式的图稿，却需要将其转换为更通用、编辑功能更强大的PSB大尺寸文档，以便进行精细修改或与协作者分享？尤其是在需要处理高分辨率、多图层的专业设计项目时，CAL文件虽然在某些特定CAD或工程软件中常见，但其兼容性和编辑灵活性远不如Photoshop的大文件格式PSB。本工具正是为了解决您的这一痛点而生。无论是为了将历史项目文件现代化，还是为了跨平台协作，我们的CAL转PSB转换器都能助您一臂之力，让您的设计工作流程更加顺畅高效，轻松应对各种图像处理挑战。
- 工程图纸转高精度设计稿
- 大型游戏贴图后期处理
- 数字艺术作品多层编辑
在中国大陆及周边地区，许多传统设计院和工程公司仍在使用早期CAD软件生成的CAL文件。将其转换为PSB，有助于与Photoshop生态系统无缝对接，尤其方便在移动端（如微信）进行初审和反馈。
About CAL (CALS) to PSB Conversion
Short answer: yes, you can convert CAL to PSB online for free, and quality is well preserved with the right settings. Just upload your .cal file to CocoConvert, pick PSB as the output, and click Convert. The whole process takes seconds.
Now for the details. CAL is a widely used file format. PSB is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your CAL file is decoded and re-encoded as PSB. Converting CAL to PSB maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert CAL (CALS) to PSB
- 1
1. Upload CAL
Drop your .cal file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select PSB
Choose .psb from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .psb file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert CAL (CALS) to PSB
Your CAL file is decoded and re-encoded as PSB.
Your CAL file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in PSB format
The converted file is ready for download
Format Comparison
CAL (CALS)
.cal file
| Extension | .cal |
| MIME Type | image/x-cals |
| Category | Image |
PSB
.psb file
| Extension | .psb |
| MIME Type | image/vnd.adobe.photoshop |
| Category | Image |
Should You Convert CAL (CALS) to PSB?
When to Convert
- ✓When you need a PSB file
Frequently Asked Questions
Is CAL to PSB conversion free?
Yes. CocoConvert offers free CAL to PSB conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is CAL to PSB conversion?
Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded CAL file and the converted PSB file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting CAL to PSB lose quality?
Converting CAL to PSB maintains high quality with CocoConvert's optimised encoder settings.
Can I convert PSB back to CAL?
Yes, CocoConvert supports PSB to CAL conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.