Security
Generate or validate 12 to 24 word BIP39 mnemonic phrases with entropy and PBKDF2-HMAC-SHA512 seed output
mnemonic-bip39-generatorFinance
Generate a full mortgage amortization table, compare extra-payment scenarios, and visualize total interest savings
mortgage-amortization-calculatorMath & Numbers
Calculate molar mass, elemental composition, and mass percentages from a chemical formula
molecular-weight-calculatorMath & Numbers
Convert miles per gallon to kilometers per liter with configurable decimal precision
mpg-to-kmlMath & Numbers
Convert miles per gallon to liters per 100 kilometers with configurable decimal precision
mpg-to-l-per-100kmMedia
Convert Nikon NRW RAW files to JPEG format. Automatically extracts image dimensions and metadata from the RAW file.
nrw-to-jpgMedia
Convert Nikon NRW RAW files to PNG format. Automatically extracts image dimensions and metadata from the RAW file.
nrw-to-pngMath & Numbers
Convert millimeters of mercury to kilopascals with configurable decimal precision
mmhg-to-kpaMedia
Convert Nikon NEF RAW files to JPEG format. Automatically extracts image dimensions and metadata from the RAW file.
nef-to-jpgMedia
Convert Nikon NEF RAW files to PNG format. Automatically extracts image dimensions and metadata from the RAW file.
nef-to-pngMath & Numbers
Convert megawatts to kilowatts with configurable decimal precision
mw-to-kwMath & Numbers
Convert whole calendar months to exact days from a specified start year and month
months-to-days