All Utilities & Calculators
100% free, client-side, privacy-first tools. Zero tracking, zero telemetry, zero servers.
21st-Century UI/UX Across All 24+ Utilities
Every calculator, validator, and converter features real-time feedback, arbitrary BigInt precision, dual-mode themes, and 100% in-browser offline privacy.
Financial Calculators
Smart calculation utilities for investments, loans, and tax liabilities.
New vs Old regime comparison with 87A rebate and 80C/80D deductions
Inclusive/exclusive tax calculation with CGST, SGST, IGST breakdown
Amortization schedules, monthly vs yearly breakup, and CSV export
Systematic investment wealth estimates with compound returns
Simple and compound interest calculations with growth schedule
Real-time exchange rates with multi-currency matrix
General Calculators
Mathematical computation and personal health metrics.
Body Mass Index with Metric/Imperial gauge and ideal weight targets
Chronological age, next birthday countdown, and zodiac insights
Exact arbitrary-precision factorials, permutations (nPr), and combinations (nCr)
Synchronized Decimal, Binary, Hex, and Octal with interactive bitboard
Format Converters
Convert units, markup languages, numbers, and vector graphics.
Indian and Western scales, Hindi numbers, and cheque formats
650Hz audio playback, visual light flasher, and ITU alphabet chart
Length, digital storage, weight, temperature, speed, area, volume
Semantic HTML5 generation with formatted export and toolbar
Convert SVG vectors to PNG, JPEG, and WebP with resolution scaling
Checkers & Validators
Validate inputs, algorithms, primes, and JSON payloads.
Instant primality verification, prime factorization, and divisor lists
Symmetry percentage, character alignment, and longest palindrome finder
Gregorian 3-step proof, century exception rules, and countdown
Syntax validation, indentation, minification, and key inspection
Password Tools
Generate cryptographically secure keys and audit password age.
Code & Text Utilities
Diff viewers, morse trainers, and text transformers.