SiFEU for Windows

Name: SiFEU
Rating: 4.1 (13 reviews)
Author: Zkytale.se

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Used SiFEU for Windows?

Editors’ Review

Download.com staffFebruary 26, 2026

SiFEU provides a user-friendly interface for encrypting files using robust algorithms. Its shell integration allows for quick access to encryption and decryption functions.

Top Recommended Alternative

AES (256-bit)

Free

3.4

Pros
- Easy file encryption with a few clicks.
- Utilizes Blowfish encryption algorithm.
- Integrates with shell for direct file access.
- SHA1 used for password hash calculation.
Cons
No Cons available

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Full Specifications

GENERAL

Release: November 12, 2002

Latest update: February 26, 2026

Version: 0.9

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 98
Windows 2000
Windows 7
Windows Vista
Windows ME
Windows NT
Windows 2003
Windows Server
Windows XP
Windows 10

Additional Requirements: None

POPULARITY

Total Downloads: 20,506

Downloads Last Week: 1

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Last Updated

User Reviews

4.1/5

13 User Votes

Very good for individual file encryption needs
Oj DocsJanuary 12, 2007
Pros
Small and Quick, It alls adds itself to the right click menu in windows which makes it very useful.
Cons
Summary
Great Program!
March 1, 2004
Pros
Cons
Summary
pretty good, but kinda slow
October 11, 2003
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Cons
Summary
this works pretty good, it's a bit slow in the shredding files thing, but it works pretty good.
Uninstall problems!
August 17, 2003
Pros
Cons
Summary
Everything with this program was fine. Uninstalling it has been a huge problem! The right click menu options still remain, even though I have unistalled the program!
Does NOT work
January 20, 2003
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Cons
Summary
installed on XP and there are no right click properties... good try but try to actually make the product work beore putting it out.
Sure has shell integration!
December 29, 2002
Pros
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Summary
Has shell integration with right-click menue on folders. With possibility to scan for files recursively. Hope next version will include "right-click" possibility directly on files.
misleading
December 10, 2002
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Cons
Summary
Writeup says it has shell integration with right click menue - wrong! Useless to me without it. Installed Axcrypt instead
December 8, 2002
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Summary
Perfect for someone with paraNOIA
November 27, 2002
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Summary
Perfect for someone with paraNOIA
November 27, 2002
Pros
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Summary

Developer’s Description

By Zkytale.se

Encrypt files with a few mouse clicks.

From the developer: "SiFEU is a program that in an easy way lets you encrypt files with very strong encryption. This release of SiFEU uses the Blowfish algorithm for file encryption and SHA1 for calculating the hash sum of the password. SiFEU integrates with the shell, making it possible to right-click on folders and files to perform encryption/decryption actions directly from the file explorer."

SiFEU for Windows

Editors’ Review

Top Recommended Alternative

AES (256-bit)

Pros

Cons