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Web & Windows Development

Free Online Steganography

This application will hide data inside an image or extract hidden data from an image, you can either supply the image we are encoding/decoding as a URL or upload an image file.

Upload an image file:


Supply a URL to the image:

We will encrypt the data before it puts it into the image, this is to insure nobody but the indended parties can extract hidden data from an image, before we can encrypt the data securely we need a key, this is optional.

Please provide a key to encrypt/decrypt data:

Now we need some data to hide in the image you should have provided above, if you are extracting data from an image you can just leave this blank.

Type a secret message to hide in the file:


Upload a secret file:

4.00 avg. rating (80% score) - 22 votes
  • P.S.¬†Steganography is illegal in some countries, please check your country laws before using this tool.
  • P.S.2: No cache file will be saved and no request will be tracked.

18 commenti

  1. thanks a lot!

  2. Where is Free Online Steganography now?
    I can’t found anything working on this page anymore. Only couple P.S. sentences.

  3. Thanks, it now works

  4. What algorithm did you use for implementing this Steganography? and What are the image files possible to use? Hoping for your response please. For educational purpose only. Thank you

  5. Why most softwares do’nt make jpeg format output?

    • because jpeg reduces the file size by reducing the image quality. In this way the crypted message is lost by the compression.. :good:

  6. Thanks for the nice tool. I have used it occasionally.
    Is the page coming online soon? There seems to be only a couple of P.S. lines at the moment.

  7. where the fuck is the tool you guys are thanking him for?

  8. Nothing here :(

  9. It’s back :yahoo:
    Sorry guys, every time I upgrade the theme this child theme stops working..
    :bye: :bye:

  10. GRAZIE……
    ti permette di inserire un messaggio in un’immagine e anche il contrario.

    inserisci l’immagine, inserisci il codice, inserisci il testo segreto e premi SUBMIT
    ti restituisce l’immagine con il testo nascosto.

    inserisci l’immagine modificata, inserisci il codice giusto e premi SUBMIT
    ti restituisce il testo contenuto nell’immagine B-)

  11. scusa MAX
    potresti inserire i limiti del programma.

    mi spiego meglio,
    ho capito che “mangia” solo formato PNG per le immagini, per il testo,
    non possono essere parole troppo lunghe, tipo collegamenti, ma
    sicuramente ci sono altri limiti,
    come le dimensioni minime e massime dell’immagine e la lunghezza massima della password e del testo.

    ti chiedo di aggiungerli così uno riesce a usare il programma :scratch:

  12. Please can you send me the source code for the online stego?

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