File converter / Documents / Convert to WK1 / STC converter / WK1 to STC

Convert WK1 to STC

Choose file to convert to .stc
or drag and drop file

You can convert WK1 file to STC as well as to variety of other formats with free online converter.

How to convert wk1 to stc?

Step 1

Upload wk1-file

Select file, which you want to convert from your computer, Google Drive, Dropbox or drag and drop it on the page
Step 2

Select «to stc»

Select stc or any other format, which you want to convert (more 200 supported formats)
Step 3

Download your stc file

Wait till your file will be converted and click download stc -file

Online and free wk1 to stc converter

Fast and easy
Just drop your wk1 files on the page to convert stc or you can convert it to more than 250 different file formats without registration, giving an email or watermark.
Don't worry about security
We delete uploaded wk1 files instantly and converted stc files after 24 hours. All files transfer with secured an advanced level of SSL encryption.
All in the cloud
You don't need to install any software. All wk1 to stc conversions make in the cloud and don't use any resources of your computer.


File extension .wk1
File category documents
Developer IBM
MIME type
application/vnd.lotus-1-2-3, application/x-123


File extension .stc
File category documents
Main program OpenOffice Calc
Developer Sun Microsystems
MIME type


❓ How can I convert wk1 to stc?
Firstly, select a wk1 file you want to convert or drag and drop it. Secondly, select stc or any other format you want to convert your file to. Then click convert and wait until your file is converted
⏳ How long should I wait to convert wk1 to stc?
documents conversion usually takes a few seconds. You will convert wk1 to stc very quickly.
🛡️ Is it secure to convert wk1 to stc on OnlineConvertFree?
Sure! We delete your uploaded and converted files, so nobody has access to your information. All types of conversion on OnlineConvertFree (including wk1 to stc) is 100% safe.
📱 Can I convert wk1 to stc without software installation?
Absolutely! OnlineConvertFree doesn’t require installation. You can convert any files (including wk1 to stc) online on your computer or mobile.