二进制转文本 https://coding.tools/cn/binary-to-text
国际象棋模拟
https://www.chess.com/practice/custom
php在线运行
https://sandbox.onlinephpfunctions.com/
凯撒解密
https://www.dcode.fr/caesar-cipher
多进程zip解密
https://github.com/silentnoname/console_nft-write-up/blob/main/riddle4/unzip.py
可以在线分析光谱的网站:
https://www.dcode.fr/spectral-analysis
图像隐写技术解密:
https://stylesuxx.github.io/steganography/
彩色二维码解密:
https://jabcode.org/
摩尔斯电码解密:
https://morsecode.world/international/decoder/audio-decoder-adaptive.html