Secure your text with multiple encryption methods including custom personal key encryption, Morse code, and more. Easily switch between encryption and decryption modes.
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The Universal Encryption Hub is a comprehensive cryptography utility designed for privacy enthusiasts, developers, and students. Unlike simple text converters, this tool provides a robust suite of 14 distinct algorithms, ranging from classical historical ciphers used by the Roman Empire to modern encoding standards used in web development today.
Whether you need to obfuscate a password, debug a hex dump, encode a URL for a marketing campaign, or send a secret message in Morse code, this tool adapts to your needs. It features a reactive interface that intelligently changes input requirements based on the method you select.
🛡️ Zero-Knowledge Architecture: We prioritize your privacy. All encryption and decryption logic runs locally in your browser's JavaScript engine. This means your data, personal keys, and messages are never transmitted to our servers. You can even use this tool offline!
Understand the mechanics behind every method available in the dropdown menu:
Uses a unique password (key) to encrypt your text. The output resembles random garbage characters. Note: You cannot decrypt the message without the exact same key.
A digital logic cipher where each character is bitwise XORed against your key. It is fast and symmetric (applying it twice restores the original).
An advanced polyalphabetic substitution. Unlike Caesar (which shifts by 1 number), Vigenère shifts letters based on a keyword, making it much harder to crack.
The classic "Shift Cipher." It moves every letter forward by a specific number (e.g., A + 1 = B). Great for learning basics, but easy to decode.
Converts binary data into ASCII text. Widely used in emails and for embedding small images directly into HTML code.
Replaces unsafe characters with "%" followed by hex digits (e.g., Space becomes %20). Essential for creating valid web links.
Converts text into base-16 numbers. Often used by programmers to debug code or view raw memory data.
The language of computers. Converts your text into a stream of 0s and 1s (8 bits per character).
Translates text into the International Morse Code standard (dots and dashes). Perfect for radio enthusiasts.
"Rotate by 13 places." Since the alphabet has 26 letters, applying ROT13 twice returns the original text. Popular in online forums for hiding spoilers.
Simply flips your text string backwards. "Hello" becomes "olleH". Simple, but effective for basic obfuscation.
A Hebrew substitution cipher where the alphabet is reversed. A becomes Z, B becomes Y, and so on.
When using custom keys, our built-in strength meter analyzes your password complexity in real-time, helping you choose a key that is harder to guess.
The text areas are configured with spellcheck="false". This prevents your browser from underlining encrypted "gibberish" text with annoying red squiggly lines.
Did you encrypt a message and want to double-check it? Click "Swap Input/Output" to move the result back to the start and switch modes instantly.
Track the expansion of your data. Encryption often increases file size—our live stats show you exactly how many characters and lines your output contains compared to the input.
No. Because this tool runs entirely in your browser and we do not store any data, if you encrypt text with a custom key and forget it, the data is mathematically unrecoverable.
Some advanced encryption methods use "Salting" or initialization vectors. However, the methods provided here (like Caesar, Vigenère, Base64) are deterministic, meaning the same input + same key will always equal the same output.
Yes. If you encrypt with a Shift of 3, you must decrypt with a Shift of 3. If you try to decrypt with a Shift of 4, the text will remain scrambled.
No. Base64 is an encoding, not encryption. Anyone can decode Base64 without a key. It is used for data formatting, not for secrecy. Use "Custom Personal Key" for secrecy.
Follow these simple steps to encrypt or decrypt your text using various methods
Select between Encrypt Mode to secure your text or Decrypt Mode to reveal encrypted messages. The interface will automatically update to guide you through the process.
Choose from 13 different encryption methods including Base64, Caesar Cipher, ROT13, Morse Code, and our advanced Custom Personal Key Encryption for maximum security.
For methods like Caesar Cipher, set your shift value. For Vigenère and Custom encryption, enter your secret key. The tool will show key strength indicators to help you choose secure keys.
Type or paste your text into the input field. The tool automatically processes your text as you type, showing real-time results and statistics.
Your processed text appears instantly in the output field. Use the copy button to save results, swap input/output for reverse operations, or clear everything to start fresh.
Track character counts, word counts, and lines. Switch between modes seamlessly, and use the swap feature to quickly reverse operations on your encrypted text.
Use the Custom Personal Key Encryption for the highest security. Create a unique key with at least 12 characters including letters, numbers, and symbols!
13 methods including Base64, Caesar, ROT13, Atbash, Reverse, Binary, Hex, URL, Vigenère, Morse Code, XOR, Substitution, and our 🔥 Custom Personal Key Encryption for maximum security.
No. All encryption/decryption happens 100% in your browser. Your text and keys never leave your device — no tracking, no logs, no third-party access. Fully private and secure.
Never. It’s completely free — no signup, no ads, no premium tiers. Just open the page and start encrypting or decrypting instantly on any device.
It uses your unique secret key (letters, numbers, symbols) to encrypt text with a strong algorithm. Longer, complex keys = stronger encryption. Perfect for personal messages or sensitive notes.
Yes — if it was encrypted with a standard method (Base64, Caesar, ROT13, etc.) and you know the shift value or key. Switch to “🔓 Decrypt Mode” and match the original settings.
Encrypt Mode transforms plain text into encoded/ciphered text. Decrypt Mode reverses it — turning encoded text back to readable form. The interface adapts to guide you based on your selection.
Most methods (Base64, URL, Custom, XOR) fully support Unicode. Classical ciphers (Caesar, Atbash, ROT13) work best with A-Z. Morse supports alphanumeric + basic punctuation.
Instantly swaps encrypted output back to input — perfect for quick round-trip testing or when you want to re-encrypt/decrypt without copy-pasting. Saves time and reduces errors.
Yes. Once loaded, all encryption and decryption functions work without internet. Great for secure environments or when privacy is critical.
Students learning cryptography, developers testing ciphers, writers hiding spoilers, privacy-conscious users, or anyone needing quick, secure text transformation — personal or professional.
Yes. Free for any use — no license or attribution required. Many teams use it for internal comms, data obfuscation, or educational demos.
Contact us via support form. We’re open to adding AES simulation, RSA toy version, Base85, or even emoji ciphers — your feedback shapes future updates!