The 2D Discrete Cosine Transform Type II

Generates a 2D DCT type-II image of custom pixel values and quantization matrix coefficients.

The 1D Discrete Cosine Transform Type II

Generates a 1D DCT type-II function of a custom numerical array. Output formula is also provided.

Bruteforce calculator

Calculate combinations, and bruteforce time using custom password attributes such as masks, length, and charset.

Huffman code generator (incomplete)

Generates huffman codes based on frequency of occurance. Supports only upper and lowercase letters at the moment.