All Tools
492 free tools - 100% client-side, nothing leaves your browser.
28 tools found
Random Number Generator
Generate random integers or decimals within a custom range with optional unique values.
UtilityList Randomizer
Shuffle a list of items into a random order with one-click copy of results.
UtilityUptime Calculator
Free online uptime calculator. Convert SLA percentages to downtime per year, month, week, and day. Plan availability targets for your services.
UtilityAge Calculator
Calculate exact age in years, months, days, and total days from any birth date.
UtilityCountdown Timer
Set a countdown timer with custom duration, alerts, and sound notifications.
UtilityRandom IP Address
Generate random IPv4 or IPv6 addresses for testing, mocking, and network simulations.
UtilitySlideshow Generator
Create HTML slideshows from markdown or text with transitions, themes, and keyboard navigation.
UtilityTime Zone Converter
Convert times between multiple timezones with daylight saving and current time display.
UtilityIPv6 Address Generator
Generate random IPv6 addresses in full, compressed, or EUI-64 format for testing.
UtilityMAC Address Generator
Generate random MAC addresses in OUI, EUI-48, or EUI-64 format for network testing.
UtilityPhysics Constants Reference
Browse common physics constants with units, symbols, and precise decimal values.
UtilitySLA Uptime Calculator
Calculate allowable downtime from an SLA percentage for year, month, and day.
UtilityRandom Password Generator
Generate strong, secure passwords instantly. Customize length and character types for maximum security.
UtilityPDF Password Remover
Unlock PDFs you have permission to access with browser-local password handling. Files never leave your device.
UtilityTip Calculator
Calculate tips and split bills among multiple people. Perfect for restaurants, bars, and services.
UtilityAutomation Wizard
Create workflow automations without coding. Connect apps and automate tasks.
UtilityChart Maker
Create charts and graphs from data. Bar, line, pie, and more chart types.
UtilityPoll Generator
Free online poll generator. Create simple polls for Twitter, Instagram, and audience surveys with ready-to-share options.
UtilitySplit CSV File
Split large CSV files into smaller parts. Handle big data with ease.
UtilitySplit Excel File
Split large Excel files into smaller spreadsheets. Manage data better.
UtilityCreate ZIP File
Create ZIP archives from multiple files. Compress for easy sharing.
UtilityRandom Choice Wheel
Spin a customizable wheel to pick random names or items from a list.
UtilityRandom PIN Generator
Generate random numeric PINs of any length for secure codes, OTPs, and access keys.
UtilityTime Duration Calculator
Add or subtract time intervals - calculate end time from start plus duration, or find the gap between two times.
UtilityTimestamp Diff Calculator
Calculate the difference between two Unix timestamps or dates with breakdown.
UtilityRandom Choice Picker
Pick random items from a list. Enter choices separated by newlines and spin or pick one at random.
UtilityBMI Calculator
Calculate Body Mass Index from height and weight in metric or imperial units.
UtilityRandom ID Generator
Generate random alphanumeric IDs, coupon codes, and referral codes in bulk.
Utility