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
Date Calculator
Calculate days between dates, add/subtract days, and more
- Find date differences
- Add or subtract days
- Determine day of week
Password Generator
Create strong, secure passwords with customizable options
- Adjustable length & complexity
- Strength meter
- One-click copy to clipboard
Calculator
Basic & scientific calculator with history feature
- Standard calculations
- Scientific functions
- Calculation history
BMI Calculator
Calculate and track your Body Mass Index (BMI)
- Metric & imperial units
- Weight category information
- Recommendations based on results
Color Converter
Convert between HEX, RGB, HSL color formats
- HEX, RGB, HSL conversion
- Color picker interface
- Color palette generation
Unit Converter
Convert between different measurement units
- Length, weight, volume
- Temperature, area, speed
- Common and scientific units
Markdown Editor
Write and preview Markdown with real-time rendering
- Live preview as you type
- Export to HTML
- Markdown syntax guide
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
Random User Generator
Generate random user profiles for testing
- Customizable user data
- Multiple output formats
- Filter by gender or nationality
JSON Formatter
Format, validate and beautify JSON data
- Pretty print & minify JSON
- JSON validation
- Syntax highlighting
Base64 Converter
Encode and decode Base64 data
- Text to Base64 encoding
- Base64 to text decoding
- Image & file conversion
Regex Tester
Test and debug regular expressions
- Live regex matching
- Match highlighting
- Common patterns library
URL Encoder/Decoder
Encode and decode URL components
- URL encoding & decoding
- Query parameter parsing
- Special character handling
CSV to JSON Converter
Convert CSV data to JSON format with customization options
- Custom field mapping
- Header row detection
- Nested JSON structure support
SQL Formatter
Format, beautify, and prettify SQL queries
- Pretty printing with syntax highlighting
- SQL query validation
- Different SQL dialect support
Java Formatter
Format, beautify, and prettify Java code
- Auto-indentation and alignment
- Syntax highlighting
- Custom formatting options
Python Formatter
Format, beautify, and prettify Python code
- PEP 8 compliant formatting
- Code structure improvement
- Syntax highlighting
Password Strength Detector
Check and improve the security of your passwords
- Analyzes password complexity
- Detects common passwords
- Provides improvement suggestions
Screen Resolution Detector
Identify your screen resolution and display properties
- Device pixel ratio
- Screen dimensions
- Device type detection
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
Text Deduplicator
Remove duplicate lines or words from your text
- Remove duplicate lines
- Remove duplicate words
- Case sensitive option
Text Sorter
Sort text lines alphabetically, numerically, or by length
- Alphabetical sorting
- Numeric sorting
- Length-based sorting
Unicode Converter
Convert text to Unicode and vice versa
- Text to Unicode encoding
- Unicode to text decoding
- Unicode escape sequences
Binary & Hex Converter
Convert between text, binary, and hexadecimal
- Text to binary/hex
- Binary/hex to text
- Format customization
API Tester
Test HTTP requests with various methods and headers
- Multiple HTTP methods
- Custom headers & body
- Response inspection
Timestamp Converter
Convert between timestamps and human-readable dates
- Unix timestamp conversion
- Milliseconds support
- Current time display
Timezone Converter
Convert times between different time zones easily
- World time conversion
- Real-time updates
- Major time zones
File Size Converter
Convert between different file size units easily
- Bytes to TB conversion
- Common size reference
- Copy to clipboard
Random Generator
Generate random numbers, strings, passwords, and colors
- Random numbers & strings
- Secure password generator
- Random color generator
Text Encryption
Encrypt and decrypt text with multiple encryption methods
- Caesar & Substitution ciphers
- Base64 encoding
- XOR encryption
Image Converter
Convert images between different formats easily
- JPG, PNG, WebP support
- Quality adjustment
- Preview before download
Image Format Converter
Convert images between different formats easily
- JPG, PNG, WebP support
- Quality adjustment
- Preview before download
Barcode Generator
Generate various types of barcodes for your needs
- Code128, EAN-13, UPC support
- Customizable size
- Download as PNG
JSON to YAML Converter
Convert JSON data to YAML format easily
- Instant conversion
- Format validation
- Copy to clipboard
YAML to JSON Converter
Convert YAML data to JSON format easily
- Instant conversion
- Format validation
- Copy to clipboard
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Our Mission
Why We Built FreeTools
We're on a mission to make powerful tools accessible to everyone. No downloads, no registration, just instant access to the utilities you need.
Lightning Fast
All tools are optimized for speed and efficiency, ensuring you get results instantly.
100% Private
Your data never leaves your browser. We don't track, store, or share any information.
Zero Installation
Access all tools directly in your browser. No downloads or installations required.
Always Free
All tools are completely free to use, with no ads or hidden fees.
Our Commitment
We believe that powerful tools should be accessible to everyone. That's why we've created a collection of utilities that are:
- Easy to use with intuitive interfaces
- Regularly updated with new features
- Built with modern web technologies
Join Our Community
We're constantly working to improve our tools and add new features. Your feedback helps us make FreeTools better for everyone.
Our Expert Team
Meet the talented professionals behind our tools
John Smith
Lead Developer
Full-stack developer with 10+ years of experience in web development and security.
Sarah Johnson
Security Expert
Cybersecurity specialist with expertise in encryption and data protection.
Michael Chen
UX Designer
User experience designer focused on creating intuitive and accessible tools.
David Wilson
Backend Developer
Backend specialist with deep knowledge in system architecture and optimization.
Emily Brown
Frontend Developer
Frontend expert specializing in modern web technologies and responsive design.
Robert Taylor
Quality Assurance
QA engineer ensuring the highest quality and reliability of our tools.