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PixelKnot: Hidden Messages

PixelKnot: Hidden Messages

3.8 (12)

Communication | 1.9MB

Price: $Free

Explanation

  • PixelKnot: Hidden Messages screenshot 1
  • PixelKnot: Hidden Messages screenshot 2
  • PixelKnot: Hidden Messages screenshot 3
  • PixelKnot: Hidden Messages screenshot 4
  • PixelKnot: Hidden Messages screenshot 5
  • PixelKnot: Hidden Messages screenshot 6
  • PixelKnot: Hidden Messages screenshot 7
  • PixelKnot: Hidden Messages screenshot 8

Description

Have a secret that you want to share? Why not hide it in a picture? With PixelKnot, only your friends with the secret password can unlock your special message. Everyone else just sees a pretty picture. It’s a fun and easy way to share hidden messages without anyone knowing. Take those pixels, twist them in a knot, and see for yourself!
★ DISGUISE YOUR MESSAGES: Pictures are public, the text is hidden inside. Even a trained eye will think the image is unedited. It’s security through obscurity!
★ FOR YOUR EYES ONLY: Put a password on the secret message to make sure that no one can read it except the person it’s meant for.
★ EASY IMAGE CHOOSER:  You can use the camera to take photos, or just use photos you’ve already taken.
★ INVISIBLE CHANGES: Even a trained analyst analyst shouldn’t be able to detect any message. The image bytes should seem undistorted.
★ SHARE ACROSS PLATFORMS: Want to share the images over email, file sharing tools (like Dropbox & Sparkleshare), social media (like Google+ & Flickr) or directly through Bluetooth or NFC? Not a problem! The messages are still recoverable on the other side. We'll have even more tools (like Facebook) working soon, so stay tuned!
★ AD-FREE: We want your love, not your money.
★ MATHEMATICALLY SECURE: We use the newly developed steganography algorithm F5 which implements matrix encoding to improve the efficiency of embedding and employs permutative straddling to uniformly spread out the changes over the whole steganogram.
★ ATTACK RESISTANT: We’ve launched attacks on images with messages hidden in them using a specialized version of stegdetect, an automated tool for detecting steganographic content in images. In most cases, the pictures have been impervious to attack. We will be including detection in an upcoming version of the application so you can easily test it yourself!
Don’t see your language? Join us and help translate the app: https://www.transifex.com/projects/p/pixelknot/
***Learn More***
★ ABOUT US: Guardian Project is a group of developers that make secure mobile apps and open-source code for a better tomorrow.
★ OUR WEBSITE: https://GuardianProject.info.
★ ON TWITTER: https://twitter.com/guardianproject
★ OPEN-SOURCE: PixelKnot is free software. You can take a look at our source code, or join the community to help make it even better: https://github.com/guardianproject/pixelknot
★ MESSAGE US: Are we missing your favorite feature? Found an annoying bug? Please tell us! We’d love to hear from you. Send us an email: support@guardianproject.info
***Disclaimer***
The Guardian Project makes apps that are designed to protect your security and anonymity. The protocols that we use are widely regarded as the state of the art in security technology. While we are constantly upgrading our software to combat the latest threats and eliminate bugs, no technology is 100% foolproof. For maximum security and anonymity users must utilize best practices to keep themselves safe. PixelKnot is still an experimental application and should not be used in real world deployments. You can find a good introductory guide to these topics at https://securityinabox.org

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What's New

Big update to v1.0.0:
* A brand new user experience... simple and streamlined!
* Now compatible with the latest Android OS and devices
New and improved in v0.3.3:
* Updated F5 steganography library
* Improved password security feature
* Cleaned up user interface for a more modern look
* Added background processing of encode/decode steps (you can do other things while it works!)
* More language support than ever!

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Information

Update: 2017-01-13

Version: 1.0.0

Requires: Android4.2 or later

Rate

(12)

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User Review

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This is amazing app , I surprised why this got only 3.8 rating
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It would probably help if you tell people where to put the passcode to retrieve the message. What good is a password if there is nowhere to put it in.
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...... it took several minutes to put one word in a 3 Meg pic.
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I wanted to test this and i have put the message in the picture, now how can i read it?
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Why don't you tell us that you decrypt by sharing the image to your app? Thank goodness professor google knew how to do it.
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User Review

Helpfulness
    avatar
    12/08/2016
    This is amazing app , I surprised why this got only 3.8 rating
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    11/18/2016
    It would probably help if you tell people where to put the passcode to retrieve the message. What good is a password if there is nowhere to put it in.
    avatar
    10/29/2016
    ...... it took several minutes to put one word in a 3 Meg pic.
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    05/23/2016
    I wanted to test this and i have put the message in the picture, now how can i read it?
    avatar
    03/25/2016
    Why don't you tell us that you decrypt by sharing the image to your app? Thank goodness professor google knew how to do it.
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    02/16/2016
    I reinstalled more times and always the same problem: stopped to work. My phone is Uhappy Up 920 with android kitkat.
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    02/02/2016
    I find this app very useful. I wanted a way to watermark my art invisibly. This is wonderful! At first, I had an issue trying to decrypt the messages. I emailed the development and actually got a response in a timely manner! These folks obviously care about the apps they provide. I want to say thank you and great job!! I have a request for development. Will you work on an app that fights against Stingray devices? Those devices are too creepy!!
    avatar
    01/02/2016
    I could find no difference in images, this is gonna be stupid but in relatively new, how do you actually decrypt an image?

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