Text Encryptor & Decryptor

Encrypt or decrypt text with a passphrase (AES-256-GCM).

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Guides, articles & comparisons

SHA-256 Hash Explained: What It Is and When to Use It

What a SHA-256 hash is, why one changed letter changes everything, how it differs from encryption, and how to generate SHA hashes free in your browser.

Base64 Encoding: What It Does and Why It Is Not Security

Base64 turns binary data into plain text so it can travel through text-only systems. It protects nothing. Here is how it works and when to use it.

Why Client-Side Tools Matter: Keep Files on Your Device

Most online file tools upload your data to a server. Here is why many tasks do not need that, and the honest trade-offs of doing it locally.

AES-256 Text Encryption Explained in Plain English

How AES-256-GCM and PBKDF2 turn a passphrase and a message into safe ciphertext in your browser, and what that protects against.

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