Lifestyle2026-03-09
The Complete D-Day Guide: From Couple Anniversaries to Exam Countdowns
Learn how to calculate D-Day for anniversaries, exams, and life events. Includes tips for tracking 100-day, 365-day, and 1000-day milestones.
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Salary Calculator
Calculate your take-home pay after federal, state, and FICA tax deductions.
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Calculate how your savings grow with compound interest over time.
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Count words, characters, sentences, paragraphs, and estimate reading time instantly.
๐PDF Merger
Combine multiple PDF files into one. 100% client-side, private and secure.
๐ฆLoan Calculator
Calculate monthly payments, total interest, and amortization schedule for any loan.
โ๏ธBMI Calculator
Calculate your Body Mass Index and see your weight category.
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Estimate your monthly mortgage payment based on price, down payment, and rate.
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Compress images online to reduce file size. Adjust quality, download instantly.
Finance Tools
30Tax, loan, salary, insurance calculators
Compound Interest Calculator
Calculate how your savings grow with compound interest over time.
Mortgage Calculator
Estimate your monthly mortgage payment based on price, down payment, and rate.
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Project your retirement savings based on age, contributions, and growth rate.
Emergency Fund Calculator
Find out how much you need in your emergency fund based on monthly expenses.
Freelancer Tax Calculator
Calculate self-employment tax, estimated payments, and take-home pay for freelancers.
Salary Calculator
Calculate your take-home pay after federal, state, and FICA tax deductions.
Loan Calculator
Calculate monthly payments, total interest, and amortization schedule for any loan.
VAT Calculator
Calculate VAT from supply amount or reverse-calculate from total. Essential for invoicing.
Severance Pay Calculator
Calculate your severance pay based on employment period and average wage.
Rent Conversion Calculator
Convert between Jeonse deposit and monthly rent using the official conversion rate.
Hourly Wage Calculator
Convert hourly wage to daily, weekly, monthly, and annual pay with holiday allowance.
Discount Calculator
Calculate sale price, discount amount, and reverse-calculate discount percentage.
Electricity Bill Calculator
Calculate Korean electricity bill with KEPCO progressive rate tiers.
Weekly Holiday Pay Calculator
Calculate weekly holiday allowance based on hourly wage and work hours.
Weekly Pay Calculator
Calculate weekly pay with overtime, night shift, and weekly holiday allowance. 2026 minimum wage applied.
Annual Leave Calculator
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Unemployment Benefits Calculator
Estimate unemployment insurance benefits amount and duration.
Acquisition Tax Calculator
Calculate property acquisition tax, local education tax, and special rural tax.
Income Tax Calculator
Calculate comprehensive income tax with 2026 tax brackets and deductions.
Car Tax Calculator
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Capital Gains Tax Calculator
Calculate real estate capital gains tax with long-term holding deductions.
Loan Comparison Calculator
Compare up to 3 loan options side by side with different rates and terms.
Inheritance Tax Calculator
Calculate Korean inheritance tax with spouse deduction, lump-sum deduction, and 2026 tax brackets.
DSR Calculator (Debt Service Ratio)
Calculate Korea's DSR (Debt Service Ratio) with 2026 Stress DSR Stage 3 rules. Check your max loan amount.
Traffic Accident Settlement Calculator
Estimate Korean traffic accident settlement compensation by injury grade, treatment, and fault ratio.
Korea National Pension Calculator
Estimate your Korean National Pension (NPS) monthly benefits based on income, contribution period, and claiming age.
ROI Calculator
Calculate return on investment. Annualized ROI, inflation adjustment, and side-by-side comparison. 100% free.
Currency Converter
Convert currencies with real-time exchange rates. 30+ currencies supported. USD, EUR, JPY, KRW and more. 100% free.
Jeonse vs Wolse Calculator
Compare Korean Jeonse (lump-sum deposit) vs Wolse (monthly rent). Factor in loan interest, opportunity cost, and conversion rate.
Year-End Tax Calculator
Estimate your Korean year-end tax refund. Includes card, medical, education, and pension deductions. 2026 tax law.
Health & Lifestyle
6BMI, calorie, sleep, alcohol calculators
BMI Calculator
Calculate your Body Mass Index and see your weight category.
Calorie Calculator
Estimate your daily calorie needs based on age, gender, and activity level.
Age Calculator
Calculate your exact age in years, months, and days from your birthdate.
Sleep Calculator
Find the best time to sleep or wake up based on 90-minute sleep cycles.
Blood Alcohol Calculator
Estimate your blood alcohol content and time to sober up after drinking.
Body Fat Calculator
Calculate body fat percentage using the US Navy method with health category.
Image & File Tools
20PDF merge/split, image resize/compress/convert
Image Resizer
Resize images online with custom dimensions. Client-side, no upload needed.
PDF Merger
Combine multiple PDF files into one. 100% client-side, private and secure.
Image Compressor
Compress images online to reduce file size. Adjust quality, download instantly.
Image to PDF
Convert multiple JPG/PNG images into a single PDF file. 100% client-side.
PDF Splitter
Split PDF files and extract specific pages. No upload needed, 100% private.
PDF to Word Converter
Convert PDF files to editable Word documents (DOCX). 100% client-side, no upload.
Word to PDF Converter
Convert Word documents (DOCX) to PDF online for free. No server upload needed.
PDF Compressor
Compress PDF files to reduce file size. Choose compression level, download instantly.
PDF to JPG Converter
Convert PDF pages to high-quality JPG images. Choose DPI, download individually or as ZIP.
Image Format Converter
Convert images between PNG, JPG, WEBP, and BMP formats. Batch convert with quality control.
Excel Merge & Duplicate Checker
Merge multiple Excel files into one and detect duplicate rows automatically. 100% browser-based, no upload.
Image Upscaler
Enhance image quality and resolution with 2x-4x upscaling and sharpening. 100% browser-based.
Image Cropper
Crop images with aspect ratio presets for Instagram, YouTube, passport photos. Rotate and flip included.
Image KB Resizer
Resize images to exact KB size. Set target file size for ID photos (200KB), passports (500KB) and more. Batch processing supported.
Image Watermark
Add text or logo watermarks to images. Customize position, opacity, tiling. Batch processing, 100% browser-based.
GIF Maker
Create animated GIFs from multiple images. Adjust frame rate, size, and loop settings. 100% free, no server upload.
PDF to Excel Converter
Convert PDF tables to Excel (XLSX/CSV). Auto table detection with preview. 100% free, no server upload.
Image Rotate
Rotate images 90ยฐ/180ยฐ or any custom angle. Flip horizontally or vertically. 100% free, no server upload.
Excel to PDF Converter
Convert Excel files to clean PDF documents. Layout options with preview. 100% free, no server upload.
Image to SVG Converter
Convert JPG/PNG images to SVG vector files. Perfect for logos, icons, illustrations. Adjustable colors and detail. 100% free.
Text Tools
3Word count, case converter, text compare
Developer Tools
8JSON formatter, Base64, Markdown editor
JSON Formatter
Format, minify, and validate JSON data with one click.
Base64 Encoder/Decoder
Encode or decode text to and from Base64 format.
Markdown Editor
Write Markdown with live preview and export to HTML instantly.
UUID Generator
Generate UUID v1/v4/v7 online. Bulk generation, validation, and format options. Free developer tool.
Regex Tester
Test regular expressions in real-time with match highlighting, capture groups, and common presets.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes for text and files. Compare hash values instantly.
URL Encoder & Decoder
Encode or decode URLs online. Parse query parameters, convert special characters. Free, no signup.
CSS Gradient Generator
Create beautiful CSS gradients visually. Linear & radial, presets, random generator. Copy code instantly.
Generator Tools
3Lorem Ipsum, password generator
Date & Time Tools
6D-Day, date calculator, timer, GPA
D-Day Calculator
Calculate remaining or elapsed days between two dates with milestone tracking.
Date Calculator
Calculate days between dates, add or subtract days, and count business days.
GPA Calculator
Calculate your college GPA with support for 4.5, 4.3, and 4.0 grading scales.
Online Timer & Stopwatch
Countdown timer, stopwatch with laps, and Pomodoro timer for productivity.
World Clock & Time Zone Converter
Compare time across world cities in real-time. Slide to convert time zones instantly.
Schedule Finder
Share a link, everyone marks their availability, and find the perfect meeting time. No signup needed.
Utility Tools
8Unit converter, percentage, color picker
Symbol & Emoji Copy Paste
Browse and copy special characters, symbols, and emojis with one click.
QR Code Generator
Generate QR codes for URLs, text, or WiFi and download as PNG.
Color Picker & Converter
Pick colors and convert between HEX, RGB, and HSL formats.
Unit Converter
Convert between metric and imperial units for length, weight, temperature, and more.
Percentage Calculator
Calculate percentages, percentage change, and find what percent one number is of another.
Area Converter (Pyeong โ ใก)
Convert between Pyeong and square meters instantly for Korean real estate.
Random Number Generator
Generate random numbers with custom range, duplicate control, and lottery preset.
Typing Speed Test
Test your typing speed in Korean or English. Measure WPM, CPM, accuracy, and get your grade. 100% free.
๐ Useful Guides & Tips
View all posts โLifestyle2026-03-09
College GPA Guide: How to Calculate and Improve Your Grade Point Average
Learn how GPA is calculated across different scales (4.0, 4.3, 4.5), strategies to improve your grades, and what GPA employers look for.
Lifestyle2026-03-09
The Science of Sleep Cycles: How Many Hours Do You Really Need?
Understand 90-minute sleep cycles, find your optimal sleep duration by age, and learn science-backed tips for better sleep quality.
Lifestyle2026-03-09
Alcohol Metabolism Guide: How Long Until You Can Drive Safely?
Learn about the Widmark formula, alcohol elimination rates by drink type, Korean DUI penalties, and science-based tips for responsible drinking.
Lifestyle2026-03-09
Date Calculation Mastery: Business Days, Deadlines & Period Counting
Master date arithmetic: calendar days vs business days, deadline calculation, leap year rules, and practical tips for project and delivery date planning.
Text Tools2026-03-05
How to Count Words in Your Essay Accurately
Learn the best methods for counting words in essays, research papers, and academic writing. Plus tips for meeting word count requirements.
About QuickFigure
QuickFigure is a free online tool collection that helps you quickly and safely handle calculations, conversions, and document processing needed in daily life and work. All tools run directly in your browser without server uploads, keeping your data private and secure. We offer over 60 tools including tax calculators, loan calculators, PDF converters, and image editors, plus 63+ practical guide blog posts.
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