decoding tools

by Aroktyoe#1000

Multitools:

CyberChef
https://gchq.github.io/CyberChef/

Xlate
https://paulschou.com/tools/xlate/  (+ custom octal)

dCode
https://www.dcode.fr/ <– has almost everything

GeocachingToolBox
https://www.geocachingtoolbox.com/

Rumkin
http://rumkin.com/tools/cipher/

Monoalphabetic substitution:

Quipqiup
https://quipqiup.com/

Boxentriq
https://www.boxentriq.com/code-breaking/cryptogram

Guballa
https://www.guballa.de/substitution-solver  <– in English, German, Spanish, French, Dutch & Portuguese

Polyalphabetic substitution:

Boxentriq
https://www.boxentriq.com/code-breaking/vigenere-cipher <–  auto vigenére with key length limitation

Guballa
https://www.guballa.de/vigenere-solver  <–  auto vigenére & beaufort decoder in English, German, Spanish, French, Dutch & Portuguese

F00l
https://f00l.de/hacking/vigenere.php <– vigenére key length calculator

Audio:

Audio Morse
https://morsecode.world/international/decoder/audio-decoder-adaptive.html

Spectrogram creator
https://nsspot.herokuapp.com/imagetoaudio/

Text:

Cipher ID
https://bionsgadgets.appspot.com/gadget_forms/refscore_extended.html

base64 looking text
https://aesencryption.net/
https://www.online-toolz.com/tools/text-encryption-decryption.php
https://codebeautify.org/encrypt-decrypt
https://encipher.it/
https://pteo.paranoiaworks.mobi/
https://www.samltool.com/decode.php

View non-printables
https://www.soscisurvey.de/tools/view-chars.php

Word completer
https://www.onelook.com/ <– search ??i???n??e and get CHIMPANZEE for example

Byte shift
https://cyber.meme.tips/xlate/shifts.html <– View all byte shifts and all constant XOR’s

Casing inverter
https://www.browserling.com/tools/text-invert-case

English language frequencies
https://www3.nd.edu/~busiforc/handouts/cryptography/cryptography%20hints.html

Esolangs decoder
https://tio.run/#

Large number converter
https://www.mobilefish.com/services/big_number/big_number.php <– Binary, hex, decimal & base64 conversion

Cipher identifier
https://www.boxentriq.com/code-breaking/cipher-identifier

Image:

Stegonline
https://stegonline.georgeom.net/image <–  RGB value extraction

AperiSolve
https://aperisolve.fr/&nbsp;<–  Image analysis, uses Binwalk, Steghide, Outguess, Foremost, Strings, Exiftool & Zteg

Metadata viewer
https://www.metadata2go.com/

RAW pixels viewer
https://rawpixels.net/

Image forensics
https://29a.ch/photo-forensics/#forensic-magnifier

Punch Card decoder
http://laighside.com/punchcard.htm

Spectrogram creator
https://nsspot.herokuapp.com/imagetoaudio/

Random steg websites:

Futureboy
https://futureboy.us/stegano/decinput.html <–  JPGs only

Mobilefish
https://www.mobilefish.com/services/steganography/steganography.php

Random steg programs:

Steganpeg
https://steganpeg.apponic.com/ <–  JPGs only

Outguess
https://www.rbcafe.com/software/outguess/ <–  JPGs only

Openpuff
https://openpuff.en.lo4d.com/windows

Silenteye
https://sourceforge.net/projects/silenteye/

Others:

Youtube video tag extractor
https://online-free-tools.com/en/youtube_video_tags_extract_url

Link identifier
https://a4x.me/tools/link/ <– oHg5SJYRHA0 for example

Hex viewer/editor
https://hexed.it/

QR code recovery/building
https://merricx.github.io/qrazybox/

Hash:

Hash identifier
https://hashes.com/en/tools/hash_identifier

Hash “cracker”
https://crackstation.net/