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Questions tagged [steganography]

A puzzle that requires finding hidden data in various media forms, such as text or images.

Steganography is the art of concealing data within another message.

The concealed message can be plainly visible, or it may require advanced cryptographic techniques and data manipulation.

For example, a message could be hidden in the alpha transparency bits of an image, such that it doesn't make any difference to the naked eye.

518 questions
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Today starts my new puzzle series!

Wow. I said I might undertake to create fresh and witty Puzzling questions because brilliant men on the internet have solved my latest ones way too speedily for my foolish conceited pride - so everyone consider this a fledgling attempt I expect…
Rubio
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This is not a spam post

Smart enough to solve this puzzle? Practised in the art of counting in multiple ways? VACANCIES OPEN! PM me to learn more about fantastic employment opportunities for talented puzzlers such as yourself. Don't pass up this chance for an amazing…
Rand al'Thor
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What is encrypted in this image?

In the image above apparently has a hidden link?? I don't know how to do this (even if it may seem simple for some) however I don't believe it's anything malicious. It's a part of a puzzle, but even I don't get where it will ultimately lead.
user69149
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Did you ask her yet?

Last time I talked to my buddy, Garrick B. Raad, He kept going on about this girl he liked. As we parted ways he mentioned that he was going to ask her out. A few days went by before I texted him, asking whether he had asked her out yet. He…
Areeb
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What happened to Dave?

After I have figured out if Dave was really mad at me, I panicked and called the police. After a couple of minutes, I saw a strange post of mine. Well, I was not on StackExchange! It was written by Dave. But why would he log in my account and…
padawan
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Agents Stephens and Stevens

Two secret agents, Stephens and Stevens, have a very odd way of communicating with each other: by hiding messages in baffling verse. One day, they meet covertly on a park bench and Stephens utters the following In what hell Pharaoh entertains, …
hexomino
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You don't need any hints

One enigma in trying to develop entertaining puzzles: Is it better for it the challenge to be very obvious and bubblegum? Maybe it should attempt to be virtually inconceivable? It is certain: A blend of the incomprehensible, entertaining, possible,…
Chowzen
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This one's a kettle of (red) fish

Hello to all my friends! And hello also to everyone in America, England, India, and—well, and everywhere else where English (and http) is spoken! If you don't know me yet, my name is Rubio, a Moderator serving Puzzling with Gareth McCaughan,…
Rubio
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See the waterboys

Firsts, grown-up breaks, coiling equinoxes hatching. Holidays burning, common camping, beaches bright. A butternut's harvest-time, bumblebees come falling. Following chill, frozen ice-carpets evoke Christmas.
Tom
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Is Dave really mad at me?

I am Patrick. Tonight, I got a mail from my old friend Dave. He was out of town for a while, and got back today. Well, we had an argument on the phone yesterday, and I think he had hard feelings. I was supposed to pick him up from the airport after…
padawan
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A little bio with a secret

So, let me tell you a bit about me. I have been online for most of my life—IRC, muds, forums, the web, games, MMORPGs, etc.—but I've met the brainiest people of all right here on this site! I am so happy to have joined this website almost a…
Rubio
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A Puzzle That Doubles Back Obscurely

Can you find the name of a reptile concealed in the following text? (Astute guesswork tolerated.) Rise, eager eagles! Silence, piccalilli imp! Prosper, revamp. Imagine ennui. Karmic crosstalk.
Hugh Meyers
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Find the Hidden Message: Follow back, forwards

Solve this problem by solving it: Follow back, forwards. Words. Hare and the tortoise jumping skyward repeatedly. Hint: Jump, happy word! Juggle by finger length.
Hugh Meyers
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What's special about this image?

There's something very special hidden in this image. You will definitely know when you find it. (I know Stack Exchange lossily compresses images but I've checked and no pixels have been altered.) Finding traces of the secret might not be that hard.…
Calvin's Hobbies
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FTC theme suggestion: Reusing Information

Sometimes, I often particularly enjoy puzzles that reuse the same piece of information over and over. Essentially, it shares the elegance of a well constructed &lit, with whole text serving double-duty. Every word not only is used in entirety for…
phenomist
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