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Capture The Flag Challenges

Score: 0/300

CTF part 1

A secret flag has been hidden in this page's source code. Your task is to find it using web inspection tools.

Try using your browser's View Source feature (Ctrl+U/Cmd+U) to examine the HTML code.

CTF part 2

This message has been encoded. Can you decode it?

ZmxhZ3tiYXNlNjRfaXNfZnVufQ==
Base64 uses a set of 64 characters (A-Z, a-z, 0-9, +, /) to encode binary data. Each Base64 digit represents 6 bits, and padding with '=' ensures the output length is a multiple of 4.

CTF part 3

Here's a message encoded, Can you convert it to readable text?

48 65 6c 6c 6f 20 48 61 63 6b 65 72 21 20 66 6c 61 67 7b 68 65 78 5f 66 75 6e 7d
In hexadecimal, each digit represents 4 bits (0-15). Two hex digits make one byte (8 bits), which maps to an ASCII character. The ASCII table defines character codes: uppercase letters start at hex 41 (A), lowercase at 61 (a).