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David K. Fischer Personal Website


David K. Fischer


Entrepreneur & Computer Systems Engineer





Mobile: +66 (0)928 389 544




Switch⇄Crypt is a lightweight and secure file encryption tool that works at directory / file level. It was originally developed to encrypt sensitive files on laptop computers when travelling in untrusted countries.

You can use Switch⇄Crypt to keep your own data encrypted, or - alternatively - you can use Switch⇄Crypt to exchange encrypted data with another person via untrusted email or via an untrusted storage.

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QAHTTPd is a powerful and high-secure embedded HTTP server, developed from scratch. This web site on which you are currently surfing is served by an operative QAHTTPd instance. Click at the Lion Icon below to see more internal details. QAHTTPd will be used as a base component for future developments.


About this Website is my personal website and the manufacturer home page of the Switch⇄Crypt tool and the QAHTTPd web server. All rights are reserved.
© 2018 by David K. Fischer