ICO to FTS — Format Comparison & Online Converter
Fast, instant ICO to FTS conversion. No signup required. Just drop your .ico file and get .fts in seconds.
Batch Settings
About ICO to FTS Conversion
ICO (introduced 1985) and FTS are both image formats, but they differ in important ways. ICO is the icon format used for website favicons and Windows application icons. FTS is a widely used file format.
When you convert ICO to FTS, the goal is to convert between formats quickly. Converting ICO to FTS maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your ICO file is decoded and re-encoded as FTS. The conversion involves 4 steps: (1) your ico file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in fts 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 FTS file. For the opposite direction, CocoConvert also supports FTS to ICO conversion.
How to Convert ICO to FTS
- 1
Upload .ico file
Select your ICO file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .fts
Set FTS as the output format. The converter uses optimal settings based on the ICO→FTS conversion profile.
- 3
Convert
The server-side engine decodes your ICO file and re-encodes it as FTS. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .fts file. Multiple output files can be downloaded together.
What Happens When You Convert ICO to FTS
Your ICO file is decoded and re-encoded as FTS.
Your ICO file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in FTS format
The converted file is ready for download
Format Comparison
ICO
.ico file
| Extension | .ico |
| MIME Type | image/x-icon |
| Category | Image |
FTS
.fts file
| Extension | .fts |
| MIME Type | image/fits |
| Category | Image |
Should You Convert ICO to FTS?
When to Convert
- ✓When you need a FTS file
Frequently Asked Questions
What is the difference between ICO and FTS?
ICO is the icon format used for website favicons and Windows application icons. FTS is a widely used file format.
Does ICO to FTS conversion affect quality?
Converting ICO to FTS maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, ICO or FTS?
ICO uses lossless compression. FTS is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does ICO to FTS 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 ICO or FTS better for long-term storage?
ICO is better for archival since it's lossless.
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