Text Encrypt Decrypt Tool

Text Encrypt / Decrypt

Local-only, no network. Uses AES-256-GCM + PBKDF2. Share the encrypted JSON; keep your passphrase secret.

Press Enter or Ctrl/Cmd+Enter to run
Encryption outputs a compact JSON bundle including alg, kdf, iter, salt, iv, and ct.
The passphrase is never stored or sent anywhere.
Higher = slower but stronger. Typical: 250,000.

Result

What Is an Online Text Encrypt Decrypt Tool?

An online text encrypt decrypt tool helps you secure sensitive information by converting readable text into encrypted data. When you need to restore the original message, the same tool decrypts the encrypted output using the correct passphrase. Because it operates entirely within your browser, your data never leaves your device, which adds an extra layer of privacy and trust. This makes it ideal for both personal and professional use.

How the Tool Works

This tool uses strong cryptographic operations designed to safely convert text to encrypted output. Although the interface looks simple, the underlying process follows modern standards. As a result, users receive reliable protection without dealing with complicated settings.

Encryption Mode

When you choose the encryption option, you can paste any text into the input area. After entering a secure passphrase, the tool generates encrypted output. Since everything runs locally, no network activity occurs during encryption.

Decryption Mode

Decryption works the same way, but in reverse. You paste previously encrypted data, type the original passphrase, and click Run. The tool then returns the readable message. If the passphrase is incorrect, decryption fails, which further protects your information.

Key Features of This Text Encryption Tool

This online text encrypt decrypt tool offers several useful features that simplify secure communication.

  • Browser-only processing for enhanced privacy
  • Adjustable KDF iterations for stronger key generation
  • Easy copy and download options for input and output
  • Clear input, reset, and mode controls
  • Support for both text and JSON blobs
  • Fast encryption and decryption operations

These features work together to create a practical tool suitable for quick tasks or regular secure messaging.

How to Use the Online Text Encrypt Decrypt Tool

Although encryption might sound complex, this tool keeps things straightforward. Follow these steps to get started:

  • Choose a mode – Select either Encrypt or Decrypt.
  • Paste your text – Add plain text for encryption or encrypted text for decryption.
  • Enter a strong passphrase – Use a phrase that is memorable but difficult to guess.
  • Select KDF iterations – Higher values add security, but may take longer.
  • Click Run – The tool processes the text immediately in your browser.
  • Copy or download the output – Use the appropriate buttons to save your results.

These steps make encryption accessible to anyone, even without technical expertise.

Benefits of Using a Text Encryption Tool

Using an encryption tool provides several advantages. First, it improves data protection. When you encrypt text, you make it unreadable without the correct passphrase, which reduces the risk of unauthorized access. Second, it supports secure sharing. You can send encrypted text via email, chat, or storage services without exposing sensitive details. Third, it helps you comply with privacy expectations. Even simple personal notes deserve protection from unnecessary exposure.

Furthermore, because this tool runs in your browser, you maintain control of your information at all times. This local-only processing prevents server logs, third-party access, or unintended data storage.

Common Use Cases

People use an online text encrypt decrypt tool in many situations. Some of the most common include:

  • Sending confidential messages
  • Protecting personal notes or credentials
  • Securing JSON configurations before sharing
  • Storing temporary sensitive information
  • Encrypting text fields during local testing

FAQs

Does my text leave my browser?

No. All operations run locally, which keeps your information on your device.

What is a passphrase?

A passphrase is a longer, more secure version of a password used to encrypt and decrypt the data.

Conclusion

A reliable online text encrypt decrypt tool gives you an easy and secure way to protect sensitive information. Whether you are locking personal notes or sharing encrypted text with a colleague, this tool provides fast, safe, and convenient encryption. Try it today to strengthen your digital privacy.

Search on Google For Free Online Quiz and Tools

Online Text Encrypt Decrypt Tool. quizandtools.com
Scroll to Top