Free Encryption/Decryption Tool
Encrypt and decrypt text using AES, DES, and other algorithms. Free, fast, and works entirely in your browser with no sign-up required.
Encryption Tool
Encrypt and decrypt text using AES-256-GCM/CBC with PBKDF2 key derivation via the Web Crypto API. All processing happens in your browser.
Encrypt Text
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Frequently Asked Questions
What is the Encryption/Decryption Tool?
The Encryption/Decryption Tool is a free online utility that encrypts and decrypts text using AES, DES, and other cryptographic algorithms.
Is the Encryption/Decryption Tool free and private?
Yes, it is completely free with no registration required. All encryption and decryption happens client-side in your browser, ensuring your data never leaves your device.
What algorithms are supported?
The Encryption/Decryption Tool supports AES (128/256-bit), DES, Triple DES, and other algorithms for varying levels of security.
Is my data safe with this tool?
Absolutely. The Encryption/Decryption Tool processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the Encryption/Decryption Tool work on mobile devices?
Yes, the Encryption/Decryption Tool is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the Encryption/Decryption Tool in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
How do I use the Encryption/Decryption Tool?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The Encryption/Decryption Tool works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About Free Encryption/Decryption Tool
Free Encryption/Decryption Tool is a free, browser-based tool in our Security Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.