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

Timestamp & epoch time format

Use CyberChef to convert the epoch time format with the From UNIX Timestamp recipe or with the Translate DateTime Format recipe to convert the timezone.

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