Doublespeak

SUMMARY

Messages are encoded as zero-width Unicode characters, as a casual form of steganography. Encryption coming soon. 【Usage】 • Tab / Shift+Tab — cycle through fields • Drag and drop files onto popup to encode • To identify yourself in your messages, open the hamburger menu and prepend/append your name When auto mode is enabled, this extension automatically parses the HTML in your current tab for secret messages. This feature requires the permission "Read and change all your data on the websites you visit". If you do not trust this extension, you can manually decode using the web app at http://dblspk.io/ 【What can be hidden】 • Text • URLs (similar use to QR codes) • Watermarks • Small files 【Possible places for storage】 • Chat messages • Social media posts • User profile information • Forums • HTML • Emails • Digital documents • File names (very short messages only) 【How does it work?】 Unicode contains some zero-width, unprintable characters. We use 16 of them to encode any data in hexadecimal, using our arbitrary encoding scheme. The resulting string of invisible characters is then inserted at a random location in the cover text. Source is available at https://github.com/dblspk/extension

The latest version of Doublespeak is available on the Chrome web and is currently being used by 50 active users. The initial version was launched on 2017-09-08.

HOW TO INSTALL Doublespeak FROM A CRX FILE

1. Download Doublespeak CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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