BCD Explained: Convert Binary Coded Decimal
Binary coded decimal, or BCD, stores each decimal digit in its own four-bit group instead of converting the whole number to binary. So the decimal 25 in B
Binary coded decimal, or BCD, stores each decimal digit in its own four-bit group instead of converting the whole number to binary. So the decimal 25 in B
Editing CSV columns means extracting just the ones you need or deleting the ones you do not, without opening a spreadsheet or writing a script. A wide exp
Generating random bytes or hex strings gives you unpredictable values for keys, tokens, test data, and salts, written either as raw byte numbers or as a c
Adding text, a border, or a background to an image are three of the most common quick edits, useful for captions, watermarks, framing, and filling transpa
A Unicode code point is the number assigned to a character, written as U+ followed by hex, so A is U+0041 and a smiley is U+1F600. A Unicode escape is tha
Octal is the base-8 number system, using only the digits 0 to 7, and it maps to binary in clean groups of three bits. Converting octal to binary, decimal,
AES is the encryption standard that scrambles text into unreadable ciphertext, which only someone with the right password can turn back into the original.
Changing a CSV delimiter swaps the character that separates columns, most often switching between commas and tabs, which is the difference between a CSV a
Generating random IP and MAC addresses gives you valid-looking network identifiers for testing, documentation, and demos without using real ones. An IP ad
Converting an image to grayscale removes all color and keeps only brightness, turning every pixel into a shade of gray. Black and white goes a step furthe
UTF-16 and UTF-32 are two other ways to store the same Unicode characters that UTF-8 stores, differing only in how many bytes each character takes. UTF-32
Decimal to hex conversion rewrites an everyday base-10 number as base-16, so 255 becomes FF and 4096 becomes 1000. You divide the number by 16 repeatedly and r