Ciphey
Automatically decrypt encryptions without knowing the key or cipher
Pricing
Free tier
Flat rate
Adoption
↗RisingLicense
Open Source
Data freshness
Verified · Jul 16, 2026Overview
What is Ciphey?
Ciphey is an open-source tool that automatically decrypts various types of encryption, decodes encodings, and cracks hashes. It's useful for security researchers and developers who need to understand encrypted data.
Key differentiator
“Ciphey stands out as an open-source, local tool that automates the process of decrypting various encryption methods without prior knowledge of keys or ciphers.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Ciphey's decryption capabilities are primarily focused on classical and basic modern ciphers, lacking support for more complex or contemporary encryption standards.
The tool can be slow when processing large volumes of encrypted data due to the computational complexity involved in decryption attempts.
GitHub activity and contributor numbers indicate a limited user base, which could result in slower issue resolution and feature development.
While basic usage is covered, detailed explanations for more complex configurations or integration scenarios are lacking.
Ciphey relies on third-party Python packages which might have security flaws, impacting the overall reliability and safety of Ciphey.
Fit analysis
Who is it for?
✓ Best for
Security teams needing to decrypt unknown ciphers for analysis
Researchers studying the effectiveness of different encryption methods
Developers who need a tool to test and validate their own encryption implementations
✕ Not a fit for
Real-time decryption in high-throughput environments (designed for batch processing)
Users requiring a web-based interface or cloud service (local library only)
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Integrations
Next step
Get Started with Ciphey
Step-by-step setup guide with code examples and common gotchas.