Other
Free online utility tool collection, providing various practical tools such as random number generation, QR code generation, countdown, unit conversion, password generation, base conversion, text processing, etc. No software installation is required, the browser can be used directly, covering various scattered needs in daily life and work, simple and convenient, and ready to use.
Navigator
URL Navigator
A bookmark board with custom groups and links, stored locally with import and export
Base64
Image Base64 Converter
Convert between images and Base64 text with preview and size comparison
VIN
VIN Decoder
Validate the 17-character VIN check digit and decode region, model year and plant.
Symbols
Special Symbol Library
Six categories of symbols: punctuation, arrows, math, currency, Greek, numbered.
Strength
Password Strength Checker
Evaluate password security in real time using entropy analysis and rule checks.
Shoe Size
Shoe Size Converter
Convert foot length cm to EU/US/UK/CN sizes with men/women/kids charts and half sizes.
Ring Size
Ring Size Converter
Enter finger circumference or diameter to convert to US/EU/CN/UK ring sizes.
Picker
Random Picker
Paste a list, draw one or more entries at random, with history.
Password
Password Generator
Customize length and character sets, then batch-generate crypto-grade strong passwords.
Names
Net Name Generator
Cute, cool, literary and funny names combined from prefix/suffix banks, one click to copy.
Kaomoji
Kaomoji Library
Browse 110+ Japanese-style kaomoji by mood; click a card to copy it.
ID Card
Chinese ID Card Parser
Validate the 18-digit Chinese ID checksum and parse region, birthday, gender and age.
Fortune
Lucky Fortune Slip
60 built-in traditional slips; tap to flip a card and draw today's luck, for fun.
Emoji
Emoji Library
Browse six emoji categories, click any emoji to copy it.
Dice
Dice Roller
Roll multi-sided dice from D4 to D20, several at a time, with totals.
Coins
Coin Flipper
Flip a coin or choose between two custom labels, with running stats.
Clothes Size
Clothing Size Converter
International clothing size chart for men and women, XS to XXL with EU/US/CN conversions.
Birthstone
Birthstone Finder
Each month maps to a birthstone, zodiac sign, color and meaning; tap a month to look up.
Bank Card
Bank Card Number Validator
Validate card numbers with the Luhn algorithm and detect Visa/Mastercard/UnionPay prefixes.
Audio
Audio Converter
Convert between MP3, WAV, OGG, FLAC, M4A, AAC, OPUS and many other audio formats