How to Encrypt and decrypt text

Encrypt and decrypt text using AES-256 with a passphrase. Runs entirely in your browser — no data is ever sent to a server.

4 min read Text Encryption Free, no signup required

Quick start

Text Encryption — Encrypt and decrypt text using AES-256 with a passphrase.

Get started in under two minutes:

Open the tool and provide your input
Review and adjust settings
Review the output
Copy the result

Open Text Encryption

Step-by-step instructions

Follow these steps to get the best results from Text Encryption:

Open the tool and provide your input

Use the input area to provide your content or data. Your file never leaves your device.

Tip: No account or signup is needed. The tool is ready to use immediately.

Review and adjust settings

Use the settings panel to refine the output. Text Encryption lets you encrypt and decrypt text using aes-256 with a passphrase.

Tip: Most settings work well at their defaults — only adjust when you need specific output.

Review the output

Check the result against what you expected. Look for any errors or unexpected output.

Tip: You can experiment freely — nothing is saved or sent anywhere until you download or copy.

Copy the result

Click the "Copy" button to copy the output to your clipboard. The button briefly changes to "Copied!" to confirm the action.

Tip: Paste the result directly into your project, code editor, or document.

Open Text Encryption

Frequently asked questions

Are my data uploaded to a server?

No. Text Encryption processes everything locally in your browser using JavaScript. Your data never leave your device, making it safe for confidential or sensitive content.

Is Text Encryption free to use?

Yes — Text Encryption is completely free with no account or signup required. All core features are available immediately.

Does Text Encryption work on mobile devices?

Yes — Text Encryption works on smartphones and tablets through any modern mobile browser. The interface adapts to smaller screens automatically.