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PlanetToolbox
Fast calculators, converters, countdowns, and web tools
Search or browse focused tools for finance, dates, developer work, text cleanup, health math, generators, conversions, and business calculations.
Explore top categories
Jump straight into the everyday tools people search for most.
Finance
Finance
Loan payments, interest, debt payoff, budgets, and savings.
13 tools
Date and time
Date and time
Countdowns, current times, time zones, and timers.
4 tools
Developer
Developer
JSON, Base64, URLs, regex, hashes, and UUIDs.
10 tools
Text
Text
Word counts, character counts, cleanup, sorting, and diffs.
6 tools
Health
Health
BMI, calories, macros, water, protein, and activity.
8 tools
Generators
Generators
QR codes, barcodes, passwords, passphrases, and random values.
9 tools
Converters
Converters
Units, speed, temperature, data, and color formats.
4 tools
Business
Business
Margins, markup, discounts, sales tax, tips, and break-even.
8 tools
Popular now
Fast entry points into the homepage tools list.
Date & Time
Days Until Calculator
Count down to holidays, events, seasonal dates, and custom target dates.
Date & Time
Current Time Tool
Find live local time, dates, time zones, and UTC offsets for major cities.
Generators
QR Code Generator
Generate QR codes for plain text, URLs, email links, phone numbers, Wi-Fi credentials, vCards, and SMS links.
Generators
Barcode Generator
Generate UPC-A, EAN-13, Code 128, Code 39, ITF, and ISBN-style barcodes as local SVG output.
Finance
Mortgage Calculator
Estimate mortgage payments, taxes, insurance, PMI, extra payments, payoff timing, and amortization.
Math
Percentage Calculator
Solve common percentage problems, percent change, increases, decreases, and percentage point differences.
Converters
Unit Converter
Convert metric and imperial units for length, area, volume, weight, temperature, speed, pressure, energy, power, time, and data.
Generators
Password Generator
Generate strong random passwords with batch output, custom symbols, character-set controls, ambiguous-character filtering, and entropy estimates.
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Quick start
Use a live clock, date countdown, or QR code before opening a full tool page.
Date countdown
Target date
Choose a target date
Quick QR code
Open full QR generator
Popular countdown pages
Static SEO pages with lightweight client-side day counts.
Christmas
Count down to Christmas Day on December 25.
New Year's Day
Count down to January 1, the first day of the Gregorian calendar year.
Thanksgiving
Count down to Thanksgiving Day in the United States, observed on the fourth Thursday in November.
Halloween
Count down to Halloween on October 31.
Easter
Count down to Easter Sunday in the Western Christian calendar.
Eid al-Fitr
Count down to Eid al-Fitr, the festival marking the end of Ramadan.
Diwali
Count down to Diwali, the Festival of Lights.
Lunar New Year
Count down to Lunar New Year, observed across many East and Southeast Asian communities.
Rosh Hashanah
Count down to Rosh Hashanah, the Jewish New Year.
2027
Count down to the start of 2027.
Popular city time pages
Live local times with static SEO pages.
America/New_York
New York
Current local time in New York, United States.
Europe/London
London
Current local time in London, United Kingdom.
Asia/Tokyo
Tokyo
Current local time in Tokyo, Japan.
Asia/Dubai
Dubai
Current local time in Dubai, United Arab Emirates.
Asia/Singapore
Singapore
Current local time in Singapore.
Australia/Sydney
Sydney
Current local time in Sydney, Australia.
Practical tools built for quick answers
PlanetToolbox groups commonly searched calculators and generators into fast, focused pages. Each tool is designed around a direct task, from calculating a loan payment to generating a QR code, formatting JSON, counting words, converting units, or checking the current time in another city.
The site is structured for searchable tool pages, related-tool paths, and static countdown and city-time pages. That keeps pages fast while making it easier to find the exact calculator, converter, generator, or date page that matches the question.