4K-Crypt for Windows

Name: 4K-Crypt
Rating: 5 (60 reviews)
Author: 4K-Soft

By 4K-Soft
Trial version
User Rating

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Editors’ Review

Download.com staffFebruary 20, 2026

4K-Crypt is a straightforward utility for encrypting and decrypting files using the ISO-8730 standard. It integrates with Windows Explorer for easy access to its confidentiality features.

Pros
- Encrypts and decrypts any file.
- Follows ISO-8730 standard.
- Integrates with Windows Explorer context menu.
- Uses an 8-digit numeric code for encryption.
- Provides data confidentiality for storage and transmission.
Cons
- Requires the exact 8-digit key for decryption.
- No mention of advanced encryption algorithms.
- Limited to numeric keys only.
- No built-in file management features.
- No support for password recovery if key is lost.

4K-Crypt for Windows

By 4K-Soft
Trial version
User Rating

Download now

Used 4K-Crypt for Windows?

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Full Specifications

GENERAL

Release: May 12, 2017

Latest update: February 20, 2026

Version: 2.30

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 10
Windows Vista
Windows 7
Windows Server
Windows 8
Windows XP
Windows 2003

Additional Requirements: None

POPULARITY

Total Downloads: 179

Downloads Last Week: 1

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Program available in other languages

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Last Updated

User Reviews

5/5

60 User Votes

Protect confidential information
chaiwan524May 5, 2015
Pros
Good program. It protects confidential information
Cons
no problem
Summary
Good program. It protects confidential information
Cool, fast, strong program
wardonmalApril 29, 2015
Pros
It is very fast, cool, strong program
Cons
no problem
Summary
It is very fast, cool, strong program. Easy to use.
Very secure program
kolpinmApril 23, 2015
Pros
It's certainly a very secure program. it's very easy to use which is one of the most important things.
Cons
no problem
Summary
It's certainly a very secure program. it's very easy to use which is one of the most important things.
Files encryption without compromising their quality.
mauhkApril 22, 2015
Pros
Program can encrypt and decrypt the selected files in a short time and without compromising their quality.
Cons
no problem
Summary
Program can encrypt and decrypt the selected files in a short time and without compromising their quality. Important documents and files can be protected from unwanted access in several ways
Very user friendly
mtomashApril 21, 2015
Pros
This is a great program. Did not take long to download, to install, to use. Very user friendly
Cons
no problem
Summary
This is a great program. Did not take long to download, to install, to use. Very user friendly
Quickly encrypt sensitive information
rahmatmApril 21, 2015
Pros
Quickly encrypt sensitive information. Good program
Cons
no problem
Summary
Quickly encrypt sensitive information. Good program
Easy of use
kkengigoApril 20, 2015
Pros
For ease of use, installing the application also adds the option to quickly encrypt and email files from the Windows Explorer context menu.
Cons
no problem
Summary
Good program. For ease of use, installing the application also adds the option to quickly encrypt and email files from the Windows Explorer context menu. Very convenience function
Encrypt of any files
dniisApril 20, 2015
Pros
Good program, program for encryption/decryption of any files
Cons
no problem
Summary
Good program, program for encryption/decryption of any files. Quickly program
Security confidential information
jongeaApril 17, 2015
Pros
Program is intended for zipping and providing confidentiality of stored or transmitted information
Cons
no problem
Summary
Program is intended for zipping and providing confidentiality of stored or transmitted information
Strong in encryption
buandersonApril 16, 2015
Pros
Works fine. Program is fast, quite strong in encrypting files. This is really a cool software
Cons
no problem
Summary
Works fine. Program is fast, quite strong in encrypting files. This is really a cool software

Developer’s Description

By 4K-Soft

Encrypt and decrypt any file according to ISO-8730 standard.

Cryptoprotect utility "4K-Crypt" is simple program for encryption/decryption of any files. It is intended for zipping and providing confidentiality of stored or transmitted information. It uses library for encryption and digital signature according to ISO-8730 standard.

After installing the program, "4K-Crypt" menu will be available from MS Windows explorer context menu. As a key for encryption of data, the program uses an 8-digit numeric code. For decryption file, you must know the key that was used to encrypt file.

4K-Crypt for Windows

Editors’ Review

Pros

Cons

4K-Crypt for Windows

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User Reviews

Protect confidential information

Cool, fast, strong program

Very secure program

Files encryption without compromising their quality.

Very user friendly

Quickly encrypt sensitive information

Easy of use

Encrypt of any files

Security confidential information

Strong in encryption

Developer’s Description