CloudConvert is a free and safe to use file converter. You do not need to create an account to use it.
CloudConvert: https://cloudconvert.com/
CloudConvert relies on trusted cloud service providers with the highest security standards such as AWS. All transfers from and to CloudConvert are SSL encrypted. Files are kept only for processing and deleted immediately afterwards.
If further assistance is required, please submit a ticket or call the Service Desk
(Link to ticket here)
Service Desk: 267-272-0102