Tool World · Your free online toolbox
Massive free online tools, no need to download, ready to use immediately
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Weather
Weather Lookup
Live weather for your current city by default, with search for cities worldwide
Video
Video Converter
Convert MP4, MKV, AVI, MOV, WebM and GIF, extract MP3/WAV/AAC audio, with trimming, compression and effects
Translate
Online Translator
Translate between languages online with automatic source detection, one-click copy and local history
Timezone
Time Zone Lookup
World city time zones and live local time. Add multiple ticking city clocks.
Countries
World Country Finder
60+ countries with capital, language, dialing code and TLD. Card grid, instant lookup.
Constellation
Zodiac Sign Finder
All 12 signs: dates, element, ruling planet, keywords and matches. Birthday lookup included.
Area Codes
International Dialing Code Lookup
Search country dial codes and UTC offsets by nation or region.
Editing
Photo Editor
A Photoshop-style online editor with layers, brushes, filters, selections and text
VIN
VIN Decoder
Validate the 17-character VIN check digit and decode region, model year and plant.
Password
Password Generator
Customize length and character sets, then batch-generate crypto-grade strong passwords.
ID Card
Chinese ID Card Parser
Validate the 18-digit Chinese ID checksum and parse region, birthday, gender and age.
Bank Card
Bank Card Number Validator
Validate card numbers with the Luhn algorithm and detect Visa/Mastercard/UnionPay prefixes.
✨ Latest tools
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Stitch
Image Stitcher
Join several images into one long picture, vertical or horizontal
Cutout
Background Remover
Neural background removal on your device, transparent PNG output, batch supported
Conversion
Unit Converter
Convert across seven categories: length, weight, temperature, area, volume, speed and data
Income tax
Income Tax Calculator
Annual income tax under the seven-bracket progressive rates, including social insurance and special deductions
Salary
Salary and Social Insurance Calculator
Take-home pay before and after tax, social insurance breakdown and total annual income
Retirement
Retirement Savings Calculator
How much you need at retirement, what to save monthly, and how long current savings last
Mortgage
Mortgage Calculator
Compare equal instalment and equal principal mortgages, with monthly payment, total interest and prepayment
Electricity
Tiered Electricity Bill Calculator
Monthly and annual electricity bill under residential tiered pricing, with usage and cost per tier
Discount
Discount and Margin Calculator
Discounted price, amount saved and discount depth, plus cost margin and pricing
Date
Date Difference Calculator
Days, months and years between two dates, or project a date forwards and backwards
Investment
Compound Interest and SIP Calculator
Compound growth, systematic investment returns and the years needed to reach a goal
Car loan
Car Loan Calculator
Monthly payment, total interest and down payment options for a car loan, compared across terms and rates
❓ Frequently Asked Questions
How to collect favorite tools?
Click the "Favorites" button on your browser to complete the collection.
Which browsers are supported?
Supports modern browsers such as Chrome, Firefox, Safari, and Edge. We recommend using the latest version for the best experience.
Will uploaded files be saved?
All tools process files locally in browser and do not upload them to the server, protecting your privacy.
How to find the tools you need?
Simply search for the tool name, function, and tag you need in the search box.