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Crypto icon

Crypto

Encryption Tools

Michael Kokoschka
5.6.1
  • 8.0
    2 Reviews
  • Aug 31, 2025
    Update date
  • 0/64
    Security
  • Everyone
  • Android 8.1+
    Android OS

About Crypto

Get in touch with cryptography. Learn, try & apply cryptographic functions.

Crypto - The unique cryptography app with numerous & useful features

Suitable for learning, testing & applying.

Explore cryptography - the magic behind cryptocurrencies like Bitcoin or Ethereum. Now with Blockchain related features. More coming soon!

Features

• Encryption

• Hashing

• Encoding/Decoding

• Mathematical functions

• Secure Communication Tools (Certificates & Key Exchange)

• Analysis

• Tools

This makes Crypto unique:

• Beautiful & modern Material Design

• Useful implemented features

• Info pages for a lot of functions (implementation details etc.)

• Sharing/Copy-pasting your texts & content made very easy & powerful

• Save frequently used functions as favorites

• Powerful Secure Communication Tools as an approach to provide secure encryption as a security add-on for every untrusted messaging or email service

Tools

Ciphers

• Caesar

• Vigenère

• Skytale

• Enigma

• DES

• 3DES

• AES

• Blowfish

• Twofish

• Serpent

• IDEA

• RC6

• RC4

• Salsa20

• ChaCha

Cryptanalysis

• Frequency Analysis

• Caesar Brute Force

• Factorization

Mathematics

• Primality Test (Fermat, Miller Rabin)

• Greatest Common Divisor & Multiplicative Inverse in a Field

• Euler's Totient Function

• Prime Search

• Find Divisors

Asymmetric Methods

• RSA

• Diffie Hellman

• DSA

• El Gamal

Hash & HMAC

• MD2

• MD4

• MD5

• RIPEMD

• SHA-1

• SHA-2

• SHA-3

• Tiger

• Whirlpool

• Gost3411

MAC - Message Authentication Code

• Skein

• Poly1305

• CMAC

KDF - Key Derivation Function

• HKDF

• Scrypt

Encoding/Decoding

• Base64

• Base58

• Hexadecimal

• Binary

• URL

• Morse Code

Other tools

• PEM Decoder

• RSA Modulus Converter

• QR Code Generator

• QR Code Decoder

• Advanced Base64 Encoding/Decoding

• Bitcoin Address Generator

Secure Communication Tools

• Certificates (RSA)

• Key Exchange (RSA Public Key Block Cipher Encryption)

• Signature (RSA/SHA256)

• Text Encryption (AES-256/GCM)

• File Encryption (AES-256/GCM)

Feedback

If you have any problems, suggestions or questions, please email to cryptotools.app@gmail.com

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Additional APP Information

Latest Version

5.6.1

Uploaded by

Heitor Candido Araujo Costa

Requires Android

Android 8.1+

Available on

Content Rating

Everyone

Security Report

What's New in the Latest Version 5.6.1

Last updated on Aug 31, 2025

v5.6.1
• Technical maintenance
• Bugfixes

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0/64
Scan Result: Secure
No security vendors flagged this file as malicious
No Virus
No Spyware
No Malware
No Virus
No Spyware
No Malware
Scan Date:Sep 10, 2025
Package Name:com.kokoschka.michael.crypto
SHA-256:fb9ba4e67a89ca175c4ad93ce25cafc9d8c4b8bca28e0664b32f7dcac6463274
SHA-1:355c499e80dfb020695665b5599a7a3ceb1cfe15
Show More
View Security Report

Crypto Screenshots

Crypto posterCrypto screenshot 1Crypto screenshot 2Crypto screenshot 3Crypto screenshot 4Crypto screenshot 5Crypto screenshot 6Crypto screenshot 7

Old Versions of Crypto

XAPK
18.4 MBAug 31, 2025
Download
APK
11.5 MBApr 22, 2024
Download
APK
11.5 MBApr 15, 2024
Download
All Versions

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