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From text manipulation and calculations to health tracking and productivity enhancers, miniai.online provides simple, free tools to boost your efficiency instantly.

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Text & Writing Tools

Word Counter

Counts words & characters in your text instantly.

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Text Case Converter

Convert text to UPPERCASE, lowercase, Title Case, etc.

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Notes App

Save & retrieve notes easily with local storage.

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Markdown Editor

Type markdown and preview formatted text instantly.

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Vowel Counter

Counts vowels in a given text with breakdown.

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Palindrome Checker

Checks if a word or phrase reads the same backward.

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Alphabet Sorter

Sorts words or letters alphabetically.

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Text Highlighter

Highlight specific words in a paragraph.

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Sentence Case Formatter

Capitalize the first letter of each sentence automatically.

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HTML Entities Converter

Convert symbols to HTML entities and vice versa.

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Reverse Text Tool

Reverse text by characters, words, or sentences.

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Calculator Tools

Simple Calculator

Basic arithmetic operations: +, -, *, /.

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Percentage Calculator

Quickly calculate percentages for various needs.

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Discount Calculator

Find the final price after applying discounts.

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Tip Calculator

Calculate tips and split bills easily.

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BMI Calculator

Calculate Body Mass Index from height & weight.

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Age Calculator

Enter birthdate to get exact age in years, months, and days.

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Days Until Countdown

Calculate days left until a specific date.

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Converter Tools

Hex to RGB Converter

Convert HEX color codes to RGB format.

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Pixel to Rem Converter

Convert pixels to rem for responsive design.

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Text-to-Speech

Convert text into speech using browser API.

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HTML Entities Converter

Convert symbols to HTML entities and vice versa.

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Productivity Tools

To-Do List

Manage your tasks with a simple, effective to-do list.

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Daily Planner

Plan your day efficiently with this simple calendar tool.

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Stopwatch & Timer

Track your time with this versatile timer tool.

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Days Until Countdown

Calculate how many days until a specific date.

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Task Prioritizer

Organize tasks by priority levels for better productivity.

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Digital Clock

Real-time clock with multiple time zones and formats.

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Step Counter

Track your daily steps, set goals, and monitor your walking progress over time.

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Simple Drawing Pad

Create digital sketches with customizable brushes.

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Developer Tools

Hex to RGB Converter

Convert HEX color codes to RGB values and vice versa.

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Pixel to Rem Converter

Convert pixels to rem units for responsive web design.

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Binary-Decimal Converter

Convert between binary and decimal number systems.

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Base64 Encoder/Decoder

Encode and decode text to/from Base64 format.

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QR Code Generator

Create QR codes for URLs, text, or WiFi networks.

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Password Generator

Generate secure passwords with strength indicators.

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Border Radius Previewer

Visualize and generate CSS border-radius values.

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Games & Fun

Rock Paper Scissors

Classic game against a computer opponent.

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Number Guessing Game

Try to guess the randomly generated number.

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Simple Drawing Pad

Draw with colors on a canvas and save your art.

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Meme Generator

Upload images & add text to create custom memes.

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Health & Fitness Tools

Step Counter

Track your daily steps, set goals, and monitor your walking progress over time.

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BMI Calculator

Calculate Body Mass Index from height & weight with health insights.

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Age Calculator

Enter birthdate to get exact age in years, months, and days.

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Time Zone Converter

Convert time between different time zones around the world.

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We're constantly adding new tools to miniai.online. If you have suggestions for tools you'd like to see, let us know!

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