Encrypt / Decrypt — Free Online Text Encryption Tool
Last Updated: April 2026
Encrypt and decrypt text online for free. Simple symmetric text encryption tool. No signup. All encryption happens in your browser. Your data is never sent to any server.
Use Encrypt / Decrypt
Launch the Encrypt / Decrypt tool — fully free, no signup required.
What Is Symmetric Encryption?
How to Encrypt Text Online
Common Use Cases for Text Encryption
Is This Tool Safe to Use?
Frequently Asked Questions
Q: Is the encryption tool safe to use?
A: Yes. All encryption and decryption happens entirely in your browser using JavaScript. No data is ever sent to our servers. Your text and keys remain completely private.
Q: What is symmetric encryption?
A: Symmetric encryption uses the same key to both encrypt and decrypt data. It is fast and practical for protecting personal notes, messages, and sensitive text.
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