Simple Mini Tools
A collection of free, fast, client-side and privacy-friendly instant tools for fun, texts, math & finance, date & time, converting units, colors, images, developers and more. No signup required.
72 tools available!
Random & Fun
View all →Random Number Generator
Generate random numbers with min/max range and unique options.
Random Name Picker
Enter names and pick one randomly with animation.
List Randomizer
Shuffle and randomize any list of items.
Coin Flipper
Flip a virtual coin with animation and history tracking.
Dice Roller
Roll 1-10 dice with multiple sides (d4, d6, d8, d10, d12, d20).
Text Tools
View all →Word & Character Counter
Count words, characters, sentences, paragraphs, and estimate reading time.
Text Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case, and more.
Whitespace Trimmer/Cleaner
Trim leading/trailing spaces, collapse multiple spaces, and remove blank lines.
Morse Code Converter
Convert text to Morse code and Morse code back to text.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
Text Diff
Compare two texts and see differences highlighted inline.
Line Sorter
Sort lines alphabetically, numerically, by length, or shuffle randomly.
Remove Duplicate Lines
Remove duplicate lines from text with case-sensitive or insensitive matching.
Slug Generator
Convert text to URL-friendly slugs.
Text to Binary / Hex
Convert text to binary or hexadecimal and back.
Text to ASCII Art
Convert text into large ASCII art letters using multiple font styles.
Math & Finance
View all →Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Roman Numeral Converter
Convert between Arabic numbers and Roman numerals instantly.
Percentage Calculator
Calculate percentages: X% of Y, A is what % of B, % change.
Tip Calculator
Calculate tip amount and total per person.
Bill Split Calculator
Split a restaurant bill with tip evenly among friends.
Discount Calculator
Calculate the final price and savings by percentage or fixed amount.
BMI Calculator
Calculate Body Mass Index with metric or imperial units.
Ideal Weight Calculator
Calculate your ideal body weight using 4 medical formulas.
Simple Interest Calculator
Calculate simple interest and total amount for any principal, rate, and time.
Standard Deviation Calculator
Calculate mean, variance, and standard deviation of a data set.
Date & Time
View all →Pomodoro Timer
Stay focused with a Pomodoro timer — 25-minute work sessions with short and long breaks.
World Clock
View current time across multiple timezones.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
Date Difference Calculator
Calculate the exact difference between two dates in years, months, days, hours, and more.
Unit Converters
View all →Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Speed Converter
Convert between m/s, km/h, mph, knots, and ft/s.
Weight Converter
Convert between mg, g, kg, ounces, pounds, and stone.
Length Converter
Convert between mm, cm, m, km, inches, feet, yards, and miles.
Area Converter
Convert between mm², cm², m², km², in², ft², yd², acre, and hectare.
Volume Converter
Convert between mL, L, m³, fl oz, cup, pint, quart, and gallon.
Energy Converter
Convert between joules, calories, kilocalories, watt-hours, kWh, and BTU.
Data Size Converter
Convert between bytes, KB, MB, GB, TB, and PB.
Color Tools
View all →Color Picker
Visual color picker with HEX, RGB, and HSL output.
Color Palette Generator
Generate tints, shades, and harmonic color palettes from any base color.
Color Converter
Convert between HEX, RGB, RGBA, HSL, and HSLA with live preview.
Contrast Checker
Check WCAG color contrast ratios for accessibility.
Image Tools
View all →Developer Tools
View all →URL Parser
Break down a URL into protocol, host, path, query params, and more.
URL Encoder / Decoder
Encode or decode URL components and full URLs.
HTML Entity Encoder / Decoder
Encode special characters to HTML entities or decode them back.
User Agent Parser
Parse browser, OS, and device info from a User-Agent string.
HTTP Status Code Reference
Searchable list of HTTP status codes with descriptions.
Regex Tester
Test regular expressions with live match highlighting.
CSS Minifier
Minify CSS code and see the space savings.
CSS Box Shadow Generator
Generate CSS box-shadow values visually with a live preview.
Markdown Previewer
Write Markdown and see a live HTML preview.
Password Generator
Generate strong, random passwords with customizable options.
Password Strength Checker
Check the strength of any password with entropy score and improvement tips.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
UUID Generator
Generate random UUIDs (v4) individually or in bulk.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
JWT Decoder
Decode JWT tokens to inspect header and payload data.
Cron Expression Parser
Parse cron expressions into human-readable descriptions.
Crontab Generator
Build cron expressions visually with a human-readable description.
SQL Formatter
Format and beautify SQL queries with dialect support.
CSV to JSON / JSON to CSV
Convert between CSV and JSON formats with delimiter options.
JSON Formatter & Validator
Format, validate, and minify JSON with syntax highlighting.
YAML Formatter
Format and validate YAML with configurable indent.
YAML ↔ JSON Converter
Convert between YAML and JSON formats instantly.