FTS to VIFF — Format Comparison & Online Converter
Fast, instant FTS to VIFF conversion. No signup required. Just drop your .fts file and get .viff in seconds.
Batch Settings
在处理各类文件时，我们常会遇到不同格式之间的转换需求。FTS和VIFF，作为图像和科学数据领域常见的两种文件类型，各自在特定场景下发挥着重要作用。FTS（Flexible Image Transport System）广泛应用于天文学等科研领域，承载着珍贵的数据信息；而VIFF（Visualization Image File Format）则在图像可视化和处理中占有一席之地。当您需要将FTS文件中的专业数据转化为更易于可视化或在特定软件中处理的VIFF格式时，一个高效、准确的转换工具就显得尤为重要。本页面致力于提供一套流畅便捷的FTS到VIFF转换方案，助您轻松完成格式迁移，让数据流通无阻。
- 天文图像数据可视化
- 科学实验结果共享
- 跨平台图像处理
在中国大陆及华语地区，由于科研机构和高校对FTS格式的广泛使用，以及图像处理软件的普及，FTS到VIFF的转换需求日益增加。特别是在移动设备分享或微信生态内展示时，VIFF格式的兼容性通常更佳。
About FTS to VIFF Conversion
FTS and VIFF are both image formats, but they differ in important ways. FTS is a widely used file format. VIFF is a widely used file format.
When you convert FTS to VIFF, the goal is to convert between formats quickly. Converting FTS to VIFF maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your FTS file is decoded and re-encoded as VIFF. The conversion involves 4 steps: (1) your fts file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in viff format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a VIFF file. For the opposite direction, CocoConvert also supports VIFF to FTS conversion.
How to Convert FTS to VIFF
- 1
Upload .fts file
Select your FTS file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .viff
Set VIFF as the output format. The converter uses optimal settings based on the FTS→VIFF conversion profile.
- 3
Convert
The server-side engine decodes your FTS file and re-encodes it as VIFF. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .viff file. Multiple output files can be downloaded together.
What Happens When You Convert FTS to VIFF
Your FTS file is decoded and re-encoded as VIFF.
Your FTS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in VIFF format
The converted file is ready for download
Format Comparison
FTS
.fts file
| Extension | .fts |
| MIME Type | image/fits |
| Category | Image |
VIFF
.viff file
| Extension | .viff |
| MIME Type | image/x-viff |
| Category | Image |
Should You Convert FTS to VIFF?
When to Convert
- ✓When you need a VIFF file
Frequently Asked Questions
What is the difference between FTS and VIFF?
FTS is a widely used file format. VIFF is a widely used file format.
Does FTS to VIFF conversion affect quality?
Converting FTS to VIFF maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, FTS or VIFF?
FTS is a common image format. VIFF is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does FTS to VIFF conversion take?
Most conversions finish in seconds. Larger files or complex image content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is FTS or VIFF better for long-term storage?
Both formats use lossy compression, so consider keeping your original source file for long-term storage.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.