How to Convert FITS to PCT — Quick & Free
Fast, instant FITS to PCT conversion. No signup required. Just drop your .fits file and get .pct in seconds.
Batch Settings
在浩瀚的数字星空中，FITS格式以其精准的科学数据记录能力，如同天文望远镜般，捕捉着宇宙的奥秘。然而，当您需要将这些珍贵的数据分享给更广泛的受众，或者在日常生活中便捷地查看时，FITS那专业而复杂的特性，有时会成为一道小小的门槛。这时候，将FITS文件转换为PCT（Picture Compiler Technology）格式，就如同为您的科学发现披上了一件轻便的外衣。PCT格式在保留图像细节的同时，更注重文件的兼容性和易用性，让您的天文图像、科研数据，无论是通过微信分享给朋友，还是在移动设备上快速浏览，都能畅通无阻，轻松跃入寻常百姓家。
- 天文爱好者分享观测成果
- 科研报告图像嵌入与展示
- 游戏开发中的纹理预处理
考虑到中国大陆、台湾及新加坡用户常用的社交媒体与移动应用生态，PCT格式因其良好的跨平台兼容性和较小的文件体积，在分享与传播FITS图像时，往往比其他通用图像格式更具优势，便于在带宽有限或存储空间宝贵的移动设备上快速加载。
About FITS to PCT Conversion
Short answer: yes, you can convert FITS to PCT online for free, and quality is well preserved with the right settings. Just upload your .fits file to CocoConvert, pick PCT as the output, and click Convert. The whole process takes seconds.
Now for the details. FITS is a widely used file format. PCT is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your FITS file is decoded and re-encoded as PCT. Converting FITS to PCT 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 FITS to PCT
- 1
1. Upload FITS
Drop your .fits file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select PCT
Choose .pct 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 .pct file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert FITS to PCT
Your FITS file is decoded and re-encoded as PCT.
Your FITS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in PCT format
The converted file is ready for download
Format Comparison
FITS
.fits file
| Extension | .fits |
| MIME Type | image/fits |
| Category | Image |
PCT
.pct file
| Extension | .pct |
| MIME Type | image/x-pict |
| Category | Image |
Should You Convert FITS to PCT?
When to Convert
- ✓When you need a PCT file
Frequently Asked Questions
Is FITS to PCT conversion free?
Yes. CocoConvert offers free FITS to PCT 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 FITS to PCT 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 FITS file and the converted PCT file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting FITS to PCT lose quality?
Converting FITS to PCT maintains high quality with CocoConvert's optimised encoder settings.
Can I convert PCT back to FITS?
Yes, CocoConvert supports PCT to FITS conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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