Toolog | Practical Web Tools

Find useful image, text, and calculator tools and run them instantly.

Language: Korean · English · 日本語

54 tools

Lifestyle/Choice

Lunch Menu Picker

Pick meal time, budget, company size, and mood to get three fitting menu suggestions instantly.

Text/Editing

Readability Checker

Check long sentences, dense paragraphs, repeated expressions, and line-break density to make text easier to read.

Lifestyle/Preparation

Move Checklist Planner

Build a move checklist organized by two weeks before, three days before, and move day from your move date and setup.

Work/Productivity

Meeting Agenda Generator

Generate a ready-to-share meeting agenda draft from meeting type, duration, goal, and key topics.

Life/Settlement

Ratio Split Calculator

Split a total amount by custom ratios and calculate allocations, percentages, and final rounding adjustment.

Finance/Business

Goal Savings Timeline Calculator

Estimate how many months it takes to reach your savings goal from current savings, monthly contributions, and annual interest.

Auto/Cost

Fuel Economy Calculator

Calculate fuel economy in km/L, fuel use per 100km, total fuel cost, and cost per km from distance and fuel volume.

Shopping/Comparison

Unit Price Calculator

Compare value by price per item, per 100g, and per liter from total price and quantity.

Schedule/Productivity

Time Difference Calculator

Enter start/end times and break minutes to calculate elapsed time, total minutes, decimal hours, and net time instantly.

Data/Math

Average Calculator

Calculate average, median, sum, minimum, and maximum from a number list in one place.

Finance/Business

Hourly to Monthly Salary Calculator

Estimate weekly, monthly, and annual gross pay from hourly wage, weekly hours, and workdays, with optional weekly holiday pay.

Schedule/Productivity

Lucky Draw Picker

Pick random winners without duplicates from a participant list and winner count.

Lifestyle/Fees

Parking Fee Calculator

Estimate parking fees from parking time, base/extra pricing, and optional daily cap.

Finance/Business

Savings Interest Calculator

Calculate pre-tax/after-tax interest and maturity amount from deposit, rate, term, and tax mode (simple or monthly compound).

Schedule/Productivity

Work End Time Calculator

Calculate estimated clock-out time and total stay time from start time, work hours, and breaks.

Finance/Business

Profit Margin Calculator

Calculate cost ratio, margin ratio, profit, and suggested selling price from sales, cost, and target margin.

Schedule/Productivity

Pomodoro Timer

Keep your study/work rhythm with automatic focus-break cycles using a customizable Pomodoro timer.

Health/Fitness

Body Fat Calculator

Estimate body fat percentage, fat mass, and lean mass instantly using the U.S. Navy method.

Real Estate/Finance

Jeonse vs Wolse Calculator

Compare total housing cost and break-even wolse rent using jeonse/wolse deposits, expected return, and stay period.

Shopping/Finance

Discount Calculator

Calculate final payable amount and effective discount using discount rate, coupon, quantity, and shipping.

Finance

Loan Repayment Calculator

Compare monthly payment, total interest, and repayment types from loan amount, rate, and term.

Investment/Finance

Compound Interest Calculator

Calculate ending balance, total principal, estimated profit, and inflation-adjusted value with monthly contributions.

Real Estate/Finance

Real Estate Brokerage Fee Calculator

Estimate the legal maximum brokerage fee for home sales and leases based on transaction value.

Security/Accounts

Password Generator

Generate strong random passwords with length, character sets, and readability options.

Image/Graphics

PNG Compressor

Reduce image file size fast by converting between PNG, JPEG, and WebP.

Image/Graphics

Image Resizer

Resize photos to exact dimensions for Instagram, blogs, and OG cards.

Image/Graphics

YouTube Image Kit Maker

Generate YouTube thumbnail, Shorts cover, banner, icon, and watermark from one image.

Image/Graphics

Image Upscaler

Upscale low-resolution images by 2x, 3x, or 4x with sharpening options to improve perceived clarity.

Text/Editing

Font Style Converter

Convert plain text into multiple Unicode font styles in real time and copy any style with one click.

Text/Editing

Banned Word Checker

Scan text in real time for spam, overclaim wording, abuse patterns, and risky external-link signals.

Text/Editing

Text Counter

Count characters with and without spaces, words, and UTF-8 bytes in one view.

Text/Editing

Case Converter

Instantly convert text between UPPERCASE, lowercase, Title Case, camelCase, and snake_case.

Data/Utilities

JSON Merge

Upload multiple JSON files, merge them into one output, and download the result in your browser.

Data/Finance

VAT Calculator

Quickly calculate VAT 10% from net price or reverse-calculate net and VAT from gross total.

Data/Utilities

Unit Converter

Convert length, weight, and temperature units accurately on one screen.

Data/Utilities

Timezone Converter

Convert dates and times across global time zones to schedule meetings accurately.

Data/Math

Percent Calculator

Calculate percentages, ratios, and increase/decrease rates quickly in one place.

Real Estate

Pyeong Calculator

Convert m² and pyeong both ways and estimate price per pyeong for property comparison.

Schedule/Productivity

D-Day Calculator

Calculate remaining days, elapsed days, and optional business-day difference to a target date in one view.

Health/Fitness

BMI Calculator

Calculate BMI and healthy weight range from height and weight, with optional BMR estimate from age and sex.

Lifestyle/Date

Age Calculator

Calculate exact age, Korean counting age, total months lived, and days left until the next birthday.

Finance/Business

Salary Calculator

Estimate monthly and yearly take-home pay from annual salary, non-taxable income, and dependent information.

Finance/Business

Severance Pay Calculator

Estimate service days, average daily wage, and expected severance pay from employment dates, monthly salary, and bonus.

Investment/Finance

Stock Average Calculator

Calculate new average cost after additional buys and estimate shares needed to reach a target average price.

Health/Fitness

TDEE Calculator

Estimate BMR, TDEE, and daily calorie targets for cutting, maintenance, and bulking.

Finance/Business

Weekly Holiday Pay Calculator

Check paid weekly holiday eligibility and estimate weekly/monthly allowance from hourly wage and scheduled work hours.

Calculator/Lifestyle

Tip Calculator

Calculate tip amount, total bill, and per-person split with percentage or fixed-tip modes.

Logistics/Business

Volumetric Weight Calculator

Calculate volumetric weight and chargeable weight from box dimensions and actual weight.

Data/Math

Fraction Calculator

Add, subtract, multiply, or divide two fractions and instantly see simplified, mixed-number, decimal, and percent results.

Lifestyle/Billing

Split Bill Calculator

Split a total bill by group size and rounding unit, with last-person adjustment to keep the total exact.

Education/Study

GPA Calculator

Calculate weighted GPA quickly from course credits and grades on 4.5, 4.3, or 4.0 scales.

Education/Study

Required GPA Calculator

Enter your current GPA, completed credits, target GPA, and remaining credits to calculate the GPA you need from now on.

Travel/Lifestyle

Average Speed Calculator

Enter distance and time to calculate average speed, pace per kilometer, and estimated 5K/10K times.

Lifestyle/Fees

Electricity Cost Calculator

Estimate daily, monthly, and yearly electricity cost from wattage, usage hours, days, and price per kWh.

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