Tella

If you are an activist, journalist, human rights defender, or anyone who documents injustice, you can use Tella to:

• Protect yourself from physical and digital repression while collecting and storing sensitive information.
• Protect the data you collect from censorship, tampering, interception, and destruction.
• Easily produce high quality documentation that can be used for research, advocacy, or transitional justice.

• Encrypt your files: Tella automatically encrypts your photos, videos, and audio recordings as soon as they are captured.
• Hide your files in the device: your files are inaccessible from the phone’s regular gallery or file explorer. You can only access them in the app.
• Lock your files: set a PIN or password to protect your files. Entering the correct lock is the only way to decrypt the files stored in Tella.
• Mask the app: change the look of Tella to hide it from people searching your phone.

• Camera and recorder inside Tella: take photos, record videos and audio directly in Tella so that your files are immediately encrypted and hidden in the app.
• Tella integrates with Uwazi, Open Data Kit, Tella Web, Google Drive, Dropbox and Nextcloud. Pick the platform that best suits your need and collect data directly in Tella.
• Offline mode: in areas with limited or no internet connection, you can save your data and submit it when you reach a reliable internet connection.

• Free forever: Tella is designed for those whose safety is at risk. It is free to download and use, and will remain free forever.
• Choose your language: Tella is currently available in 17 languages.
• Trust the code: The code for Tella is open-source and publicly available so that researchers, security analysts, and developers can freely audit and reuse it.