Brute-Force Decryption Simulator (ASCII Shift Cipher)

Printable ASCII range (32–126) with wraparound. Includes manual & automated brute-force modes + optional dictionary-based “intelligent” scoring.

1) Create or Paste Data
Range 32–126 · wraparound
2) Brute-Force Controls
Ready
delay: 790 ms

Automated mode is the same brute-force loop, just time-sliced. Use Auto Pause to stop on an interesting candidate and discuss why it scored well.

Optional: Dictionary (AllWords)
paste words, one per line

Paste the contents of your AllWords.txt here to simulate dictionary-based success detection in-browser.

Attempts & Visualization
0 / 95
(No attempts yet)
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- Each attempt is: decode(encryptedText, shiftGuess) - Brute force tries all shifts in the keyspace (0–94) - “Success” can be: - manual (human chooses) - heuristic (dictionary hit-rate + formatting signals)

Click Focus on an attempt to inspect it. Click Mark Success to stop the algorithm.