deny.sh in your browser.

Right-click any text to encrypt it. Zero network requests. Everything runs locally.

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Right-click encrypt

Select any text on any page, right-click, and encrypt it with two passwords. Ciphertext copies to your clipboard.

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Popup mode

Click the extension icon for a full encrypt, decrypt, and vault interface without leaving your current tab.

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File protection

Drag and drop any file into the popup to encrypt it locally. Download the encrypted output directly.

How it works

Install

Add the extension from the Chrome Web Store. Works in Chrome, Edge, Brave, and any Chromium browser.

Select text

Highlight any text on any page. Right-click and choose "Encrypt with deny.sh".

Encrypt

Enter your real password and decoy password. The ciphertext is ready to copy and share.

Technical details

Standard

Manifest V3

Isolation

Shadow DOM, no page style bleed

Crypto

WebCrypto API + scrypt, same algorithm as deny.sh

Storage

chrome.storage.local, never synced

Network

Zero outbound requests

Size

14 files, no external dependencies

This extension makes zero network requests. Your text, passwords, and files never leave your browser. All cryptographic operations run in the extension's isolated context using the browser's built-in WebCrypto API.

Supported browsers

Any browser with Manifest V3 support.

Chrome Edge Brave Arc Chromium Opera

Coming soon

The extension is built. Chrome Web Store submission is pending review. Register to get notified when it's live.