Calculators & Financial Tools
Accurate, privacy-first financial estimators, loan calculators, and health metrics.
Mortgage Calculator
Estimate monthly US mortgage payments, interest, property taxes, and amortization schedules.
Loan & EMI Calculator
Calculate monthly loan installments, total interest payable, and repayment timelines.
Compound Interest Calculator
Project compound investment returns over time with periodic deposits and interest compounding.
Salary to Hourly Calculator
Convert annual salary into equivalent hourly, daily, weekly, and bi-weekly wage rates.
Profit & Margin Calculator
Calculate gross margin, net profit percentage, markup, and break-even point for products.
Percentage Calculator
Calculate percentage increase, decrease, fraction percentages, and relative difference.
Discount & Sale Calculator
Calculate final sale price, total savings, and post-discount tax amounts.
Tip Calculator
Calculate bill tips, split totals among party guests, and customize tip percentages.
Break-Even ROAS Calculator
Determine the minimum return on ad spend required to cover advertising and product costs.
ROAS Calculator
Calculate return on ad spend, revenue multiplier, and advertising efficiency ratio.
YouTube Money Calculator
Estimate YouTube video and channel ad earnings based on views and estimated RPM.
BMI Calculator
Calculate Body Mass Index for adults in imperial (lbs/in) or metric units with clinical ranges.
Calorie Calculator
Calculate daily maintenance calories (BMR & TDEE) and target deficit for healthy weight loss.
Age Calculator
Calculate exact chronological age in years, months, days, minutes, and seconds elapsed.
Date Difference Calculator
Calculate exact days, weeks, and business days between two calendar dates.
Developer & Web Tools
Essential utilities for coding, syntax formatting, regex debugging, and data encoding.
Regex Tester & Debugger
Real-time regular expression testing with visual syntax highlighting and capture groups.
Cron Expression Generator
Visually generate, decode, and schedule standard 5-field crontabs with plain English output.
PX to REM Converter
Convert pixels to rem and em units for responsive CSS typography with customizable base font.
JSON Formatter & Validator
Format, validate, beautify, and minify raw JSON payloads with error detection.
Base64 Encoder & Decoder
Encode raw UTF-8 text to Base64 format and decode Base64 strings to readable text.
URL Encoder & Decoder
Encode query parameters to percent-encoding standard and decode escaped URLs.
UUID v4 Generator
Generate cryptographically secure version-4 random UUIDs in bulk.
Unix Timestamp Converter
Convert Unix epoch timestamps (seconds/milliseconds) to human-readable UTC and local dates.
MD5 Hash Generator
Compute cryptographic 128-bit MD5 checksum hashes from plain text input.
SHA-256 Hash Generator
Generate secure 256-bit SHA-2 cryptographic hash digests for data verification.
Color Converter & Picker
Convert color codes between HEX, RGB, HSL, HSV, and CMYK formats with visual previews.
Text & Writing Utilities
Count words, format capitalization, clean lists, and generate placeholder copy.
Word Counter
Real-time word count, character count, sentence count, reading time, and speech duration.
Character Counter
Count total characters with and without whitespace for social media limits.
Case Converter
Convert text into UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
Duplicate Lines Remover
Instantly filter out duplicate text rows, remove empty lines, and sort entries alphabetically.
Lorem Ipsum Generator
Generate custom dummy placeholder text paragraphs, sentences, and words for designers.
AI Text Humanizer
Refine and smooth robotic AI text drafts into natural, engaging, human-sounding prose.
Security & Cryptography
Generate secure passphrases and audit links with client-side zero-storage privacy.
Password Generator
Generate ultra-secure passwords and passphrases with entropy scores meeting NIST standards.
Safe URL Checker
Inspect suspicious web links, check destination redirects, and detect phishing domains.
Random Number Generator
Generate truly random numbers within custom minimum and maximum ranges for raffles and games.
Date, Time & Productivity Utilities
Practical online utilities for everyday office, productivity, and web workflows.
Time Zone Converter
Convert meeting times across US Eastern, Central, Mountain, Pacific, UTC, and global clocks.
Countdown Timer
Clean, full-screen online countdown timer with audible alarms and interval tracking.
Pomodoro Focus Timer
Structured 25-minute focus intervals and 5-minute break cycles for maximum productivity.
QR Code Generator
Create high-resolution QR codes for websites, WiFi networks, phone numbers, and vCards.
Phone Number Validator
Validate international telephone numbers, detect country prefixes, and format to E.164 standard.
UTM Link Builder
Construct standardized Google Analytics campaign tracking URLs with source, medium, and campaign.
Universal Multi-Unit Converters
Comprehensive, multi-unit measurement hubs supporting metric, imperial, and digital units.
Time Converter
Convert seconds, minutes, hours, days, weeks, months, and years with worked formulas.
Data Storage Converter
Convert digital storage units between Bits, Bytes, KB, MB, GB, TB, PB and binary KiB, MiB, GiB.
Temperature Converter
Convert degrees across Celsius, Fahrenheit, Kelvin, and Rankine scales instantly.
Image Converter Hub
Convert images between WebP, PNG, JPG, and modern high-efficiency formats in browser.