by Aroktyoe#1000
Multitools:
CyberChef
https://gchq.github.io/CyberChef/
Cryptii
https://cryptii.com/
Ciphereditor
https://ciphereditor.com/
Cryptii v2
https://v2.cryptii.com/text/select
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:
Caesar
http://theblob.org/rot.cgi <– Caesar for letters & numbers
https://planetcalc.com/1434/ <– alphabets for English, French Portuguese, Russian & Spanish
https://a4x.me/tools/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/ <– 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/
DECIPHER 