Useful Small Tools

A collection of handy utilities to make your life easier.

Available Tools

Text Case Converter

Convert text between uppercase, lowercase, title case and more

  • UPPERCASE / lowercase
  • Title Case / Sentence case
  • aLtErNaTiNg / InVeRsE
Use Tool

Date Calculator

Calculate days between dates, add/subtract days, and more

  • Find date differences
  • Add or subtract days
  • Determine day of week
Use Tool

Password Generator

Create strong, secure passwords with customizable options

  • Adjustable length & complexity
  • Strength meter
  • One-click copy to clipboard
Use Tool

Calculator

Basic & scientific calculator with history feature

  • Standard calculations
  • Scientific functions
  • Calculation history
Use Tool

BMI Calculator

Calculate and track your Body Mass Index (BMI)

  • Metric & imperial units
  • Weight category information
  • Recommendations based on results
Use Tool

Color Converter

Convert between HEX, RGB, HSL color formats

  • HEX, RGB, HSL conversion
  • Color picker interface
  • Color palette generation
Use Tool

Unit Converter

Convert between different measurement units

  • Length, weight, volume
  • Temperature, area, speed
  • Common and scientific units
Use Tool

Markdown Editor

Write and preview Markdown with real-time rendering

  • Live preview as you type
  • Export to HTML
  • Markdown syntax guide
Use Tool

QR Code Generator

Create QR codes for URLs, text, and contact information

  • Customizable size and color
  • Download as PNG or SVG
  • Supports vCards and Wi-Fi info
Use Tool

Random User Generator

Generate random user profiles for testing

  • Customizable user data
  • Multiple output formats
  • Filter by gender or nationality
Use Tool

JSON Formatter

Format, validate and beautify JSON data

  • Pretty print & minify JSON
  • JSON validation
  • Syntax highlighting
Use Tool

Base64 Converter

Encode and decode Base64 data

  • Text to Base64 encoding
  • Base64 to text decoding
  • Image & file conversion
Use Tool

Regex Tester

Test and debug regular expressions

  • Live regex matching
  • Match highlighting
  • Common patterns library
Use Tool

URL Encoder/Decoder

Encode and decode URL components

  • URL encoding & decoding
  • Query parameter parsing
  • Special character handling
Use Tool

CSV to JSON Converter

Convert CSV data to JSON format with customization options

  • Custom field mapping
  • Header row detection
  • Nested JSON structure support
Use Tool

SQL Formatter

Format, beautify, and prettify SQL queries

  • Pretty printing with syntax highlighting
  • SQL query validation
  • Different SQL dialect support
Use Tool

Java Formatter

Format, beautify, and prettify Java code

  • Auto-indentation and alignment
  • Syntax highlighting
  • Custom formatting options
Use Tool

Python Formatter

Format, beautify, and prettify Python code

  • PEP 8 compliant formatting
  • Code structure improvement
  • Syntax highlighting
Use Tool

Password Strength Detector

Check and improve the security of your passwords

  • Analyzes password complexity
  • Detects common passwords
  • Provides improvement suggestions
Use Tool

Screen Resolution Detector

Identify your screen resolution and display properties

  • Device pixel ratio
  • Screen dimensions
  • Device type detection
Use Tool

Image Compressor

Compress images for the web without losing quality

  • Reduce file size for faster loading
  • Adjustable quality settings
  • Support for JPEG, PNG, and WebP
Use Tool

Text Deduplicator

Remove duplicate lines or words from your text

  • Remove duplicate lines
  • Remove duplicate words
  • Case sensitive option
Use Tool

Text Sorter

Sort text lines alphabetically, numerically, or by length

  • Alphabetical sorting
  • Numeric sorting
  • Length-based sorting
Use Tool

Unicode Converter

Convert text to Unicode and vice versa

  • Text to Unicode encoding
  • Unicode to text decoding
  • Unicode escape sequences
Use Tool

Binary & Hex Converter

Convert between text, binary, and hexadecimal

  • Text to binary/hex
  • Binary/hex to text
  • Format customization
Use Tool

API Tester

Test HTTP requests with various methods and headers

  • Multiple HTTP methods
  • Custom headers & body
  • Response inspection
Use Tool

Timestamp Converter

Convert between timestamps and human-readable dates

  • Unix timestamp conversion
  • Milliseconds support
  • Current time display
Use Tool

Timezone Converter

Convert times between different time zones easily

  • World time conversion
  • Real-time updates
  • Major time zones
Use Tool

File Size Converter

Convert between different file size units easily

  • Bytes to TB conversion
  • Common size reference
  • Copy to clipboard
Use Tool

About Us

Why We Built FreeTools

We created FreeTools to provide simple, fast, and free utilities that help with everyday tasks. All tools work directly in your browser with no downloads required.

Fast and Efficient

All our tools are designed to be lightning fast and require minimal resources.

Privacy Focused

Your data never leaves your browser. We don't track or store any of your information.

No Installation Needed

All tools work directly in your browser, no downloads or installations required.

Completely Free

All tools are 100% free to use with no ads or hidden fees.