Cryptool

Name: Cryptool
Rating: 4.0454545 (257 reviews)
Author: nfdz

By: nfdz

Cryptography for humans - Encryption, Passwords, LAN, SMS, Offline, Light

Features & Capabilities

Cryptool is an open-source, non-profit encryption app designed to help users securely protect their most important information. With a focus on transparency, it reveals encryption algorithms and data input/output, allowing users to verify and even build the app themselves.

This lightweight tool offers a modern Material You UI with light/dark theme support. It supports multiple encryption conversations and message sources like manual input, LAN communication, file syncing, and SMS. Additional features include a keystore, multiple algorithms, clipboard control, data import/export options, and robust access code protection including biometric ID. Cryptool ensures easy, interoperable encryption that you can trust without compromising your privacy.

User Growth & Download Statistics

App Privacy & Security Communication Open Source

By:

nfdz

Downloads:

69,242 67

Rating:

4.05

(257)

Version:

3.2.3 Last updated: 2025-08-23

Version code:

Creation date:

2017-10-28

Publisher country:

Permissions:

android.permission.SYSTEM_ALERT_WINDOW High risk
android.permission.INTERNET Low risk
android.permission.USE_BIOMETRIC Low risk
android.permission.USE_FINGERPRINT Low risk
android.permission.ACCESS_NETWORK_STATE Safe
io.github.nfdz.cryptool.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Size:

15.87MB

Email:

cr*****@nfdz.io

URLs:

Website ,Privacy policy

Full description:

Source:

Google Play Store

Data ingested on:

2026-06-14

Compare stats and ranking:

Ranking

# 251,398 ▲ 1,944

Other rankings

#19 in encrypt keyword 21 ▼ 4

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.

Developed by:

nfdz

Google Play Store

https://play.google.com/store/apps/details?id=io.github.nfdz.cryptool

Email:

cr*****@nfdz.io

Website:

https://github.com/nfdz/Cryptool

User Reviews

Users appreciate Cryptool for its strong privacy focus, user-friendly interface, and effective encryption without producing long strings. Security enhancements are valued, and the tool is highly recommended. However, multiple users mention difficulty decoding messages, lack of an onboarding guide for new users, occasional slowness, and some dissatisfaction with interface updates. Overall, it is regarded as a great cryptography app with room for improvement in usability and performance.

Pros

Easy to understand and use with a well-designed UI.
Effective cryptography tool that does not generate unnecessarily long strings.
Focuses on privacy and security features, including improvements like bypassing Android Clipboard for enhanced security.
Highly recommended by users for its functionality and design.

Cons