Media
Cut and trim video clips with precision, supporting multiple formats and quality settings
video-cutterMath & Numbers
Calculate sample variance, population variance, and optional standard deviation for a numeric dataset
variance-calculatorMath & Numbers
Perform core vector operations such as addition, subtraction, scaling, magnitude, normalization, angle, and distance
vector-calculatorData Processing
Split grouped arrays using lodash _.unzip
unzip-arraysValidation
Validate EU VAT numbers
vat-validatorDevelopment
Batch parse URL query parameters with output of key frequency, value samples, and encoding anomaly detection
url-query-analyzerUtilities
Calculate UTM zone from latitude and longitude coordinates
utm-zone-calculatorDevelopment
Validate variable names against multiple programming language naming conventions and standards
variable-name-validatorValidation
Validate GTIN-12 (UPC), GTIN-13 (EAN), GTIN-8, and GTIN-14 product barcodes with check digit verification
upc-ean-validatorValidation
Validate United States driver's license numbers based on state-specific format rules (CA, NY, TX, FL, etc.)
us-drivers-license-validatorValidation
Validate United States Employer Identification Number (EIN) format used for business tax identification
us-ein-validatorValidation
Validate United States Social Security Number (SSN) format with area number verification
us-ssn-validator