Utilities
General-purpose digital Swiss Army knife. Random number pickers, coin flippers, decision makers, counters, and other small but essential tools that simplify daily digital tasks.
Estimate storage size for text strings in ASCII, UTF-8, UTF-16, and UTF-32. Essential for database schema...
Diagnostic tool to calculate Thyroid gland volume from ultrasound measurements using the Brunn method. Includes WHO...
Professional client-side unarchiver. Securely extract ZIP, TAR, and GZ files with instant split-pane preview, syntax highlighting,...
Calculate water volume needed to fill garden, fire, or hydraulic hoses. Includes "Time to Fill" estimation...
Calculate minimum septic tank capacity based on bedrooms and flow rates. Ensures compliance with sanitation codes...
Calculate the internal liquid volume and weight of water for Schedule 40/80 and custom pipes. Supports...
Convert footwear sizes accurately between US, UK, EU, and CM standards. Includes brand-specific fit adjustments and...
Split lists into fair, balanced teams instantly. Features skill-weighting, drag-and-drop refinement, and "keep together/separate" logic for...
Professional Air Quality Index (AQI) calculator and analyzer. Convert raw pollutant concentrations (PM2.5, PM10, O3, NO2,...
Enterprise-grade email validation tool. Detects burner domains, validates MX records via DNS over HTTPS, and analyzes...
Professional browser-based bulk file renaming tool. Features Regex support, serialization, case conversion, and client-side ZIP generation...
Comprehensive ring size tool featuring an international conversion database, interactive screen-based virtual sizer with calibration, and...
Calculate the true discount percentage of Buy One Get One (BOGO) deals. Support for Buy X...
Check 3D meshes for non-manifold edges, degenerate faces, holes, flipped normals, and topology errors. Supports OBJ...
Batch rename files with dates in their names to standardized YYYY-MM-DD format. Drag and drop files,...
Create, organize, and export custom lists with drag-and-drop reordering, color coding, checkboxes, and multiple export formats.