Decoder / Converter / Generator / Decryption Tools

• Ascii to binary
• Ascii to hex
• Binary to ascii
• XOR (binary, decimal, hex, ascii)
• Base 64 – Decode
• Base 64 – Encode
• Epoch converter (Date/Time to number/timestamp)
• QR Code Generator
• QR Code scanner (in javascript, no query sent to server)
• Read QR Code from Image
• IPv4 to decimal
• Decrypt files encrypted by ransomware
• Encode to URL
• Many formats (e.g. base64 to Hex)
• CyberChef – Encryption / Decryption
• Hexed.it

Encode base 64 (Unix)

echo 'this string will be encoded' | base64

Decode base 64 (Unix)

echo 'dGhpcyBzdHJpbmcgd2lsbCBiZSBkZWNvZGVk' | base64 -d

MD5

The -n is important!

echo -n "whatever" | md5sum

Binary to decimal

echo "$((2#1011))"

Hex to decimal

echo "$((16#AA))"

Hex to ascii

cat data | xxd -r -p

echo "504b0304140008080800a52c47550000000000000000000000" | xxd -r -p