Bridge Time Zones & Everyday Calculations — Instantly.

Instantly find common working hours for global remote teams across multiple time zones. Essential for international meeting scheduling.

Transform plain text into stylish Unicode fonts for Instagram bios, Twitter profiles, and social media posts instantly.

Romanize Russian, Ukrainian, Arabic, Hindi, and 20+ languages into Latin alphabet instantly. Perfect for name transliteration.

Generate authentic Japanese hanko seal images (PNG) from your name. Perfect for digital documents and remote work.

Instantly generate QR codes from URLs, text, or Wi-Fi credentials. Free download, no ads, no registration.

Calculate your Life Path Number from your birth date and decode personality traits, talents, and destiny through numerology.

Calculate how long until alcohol leaves your system based on weight, gender, and drinks consumed. Know when it's safe to drive.

Measure your reaction time in milliseconds. Challenge friends and track your reflexes over multiple rounds.

Discover if you're a morning lark or night owl, and get your adaptability score for overseas work and late-night meetings.

Instantly calculate Mahjong Han/Fu points for beginners and intermediate players. Includes a comprehensive scoring reference chart.

Fair random spin wheel for team assignments, giveaways, and prize draws. Add any names or choices and spin.

Get precise sunrise, sunset, and moon phase data for any city and date worldwide. Ideal for photographers and astronomers.

Reverse-calculate your visa application deadlines for the US, UK, and EU. Enter your travel date to get the submit-by date.

Read a sample passage and measure your words-per-minute reading speed. Great for speed reading training.

Paste two texts to visually highlight additions, deletions, and changes. Essential for code review and document comparison.

Generate strong, hard-to-crack passwords using uppercase, lowercase, numbers, and symbols in one click.

View current local times in 100+ cities worldwide in real-time. Ideal for international communication and travel planning.

Add N working days excluding weekends and public holidays. Includes holiday risk assessment for countries like China and the US.

Boost focus with the 25-min work + 5-min break Pomodoro method. Includes notification sounds and session tracking.

Compare actual take-home profit across Mercari, Rakuma, and other Japanese flea market apps instantly.

Count characters, words, and estimate reading time in real-time. Great for blogs, social posts, and academic papers.

Detect unnatural AI-generated phrasing in Japanese text. Improve blog and SNS content quality with instant feedback.

Format, validate, and convert JSON to YAML or CSV. Instantly debug API responses and transform data structures.

Find Ichiryū-Manbaibi and Taisha lucky days for life events. Great for choosing the perfect date for weddings and businesses.

Calculate flight duration, time zone change, and local arrival time between any two cities. Supports layover simulations.

See remaining characters for X (Twitter), Instagram, TikTok, and LinkedIn in real-time as you type.

Convert between camelCase, snake_case, PascalCase, SCREAMING_SNAKE, and kebab-case instantly. Perfect for coding.

Calculate your Total Daily Energy Expenditure (TDEE) from height, weight, and activity level. Foundation for diet and muscle gain.

Calculate percentages, growth rates, and reverse percentages instantly. Covers tax, discounts, and business KPIs.

Enter your departure city, destination, and flight time to get a personalized sleep & light exposure plan to minimize jet lag.