Format Conversion
Convert Excel file to Markdown table format, extracting data from the first worksheet
excel-to-markdownFormat Conversion
Convert Excel file to XML format, extracting data from the first worksheet
excel-to-xmlFormat Conversion
Convert .xls files to .xlsx format. Note: Only supports converting old .xls files to new .xlsx format.
excel-version-converterUtilities
Find file extensions by searching file type name or description
file-extension-finderSecurity
Decrypt specific fields in Excel files using various decryption methods to restore encrypted information
excel-field-decryptorSecurity
Encrypt specific fields in Excel files using various encryption methods to protect sensitive information
excel-field-encryptorData Processing
Scale and normalize features using various methods for machine learning preprocessing and data standardization
feature-scalerSecurity
Decrypt specific fields in CSV data using various decryption methods to restore encrypted information
field-decryptorSecurity
Encrypt specific fields in CSV data using various encryption methods to protect sensitive information
field-encryptorFinance
Calculate dividend income, yield, and total returns from stock investments
dividend-calculatorGames
Roll virtual dice with various configurations
dice-rollerUtilities
Convert any date to its day-of-year number (1-366) and back, with ISO week number, leap-year check, and days remaining in the year.
day-of-year-converter