Safe Calculator is a unique and free portable file encryption software cleverly disguised as a standard calculator. On the surface, it looks like a basic calculator, but when the correct numeric PIN is entered, it reveals a hidden safe that allows you to encrypt, hide, and protect your files. This makes it an excellent stealth encryption solution for securing personal or sensitive data.
Safe Calculator – Portable File Encryption Tool
Unlike traditional file encryption utilities, Safe Calculator masks its true purpose by acting as a simple calculator. To access the hidden encrypted file vault, users must enter a numeric password. The default password is 123, but it can be changed to any custom numeric PIN.
Screenshot – Safe Calculator in Action
Standard Calculator View
Encrypted Safe Mode
How to Use Safe Calculator to Encrypt Files
- Place the file(s) you want to hide inside the Calc-En-v510 folder.
- Run
calc.exefrom that folder. - Enter the default password 123 and press MS to access Safe Mode.
- Click New PIN and enter a new numeric password. Press = and then MS to store it.
- Press + then =.
- Select the file you want to encrypt and click Store.
How to Decrypt or Access Hidden Files
- Run
calc.exe. - Enter your PIN and press MS.
- Press one of the following: -, x, or /, then press =.
- Your hidden file will be displayed, ready to extract or run.
Key Features
- Stealth Encryption: Hidden behind a calculator interface
- Password Protected: Requires a numeric PIN to access encrypted files
- Portable: Standalone executable – no installation needed
- Compact: Only 288KB in size – perfect for USB drives
- User Friendly: Simple drag-and-store functionality
Specifications
- Extracted Size: 288 KB
- Author’s Website: Krilome Software
- License: Freeware
- Download: Download Safe Calculator
Final Thoughts
Safe Calculator is an excellent tool for users who need a discreet, portable way to encrypt and hide personal files. Its deceptive appearance makes it less likely to draw attention, while still offering solid protection for sensitive content. Although it's not suited for high-grade security needs, it's perfect for individual users wanting to safeguard files on USB drives or local folders without complex setup.