Tool Headquarters
179 free online tools for images, PDFs, developers, calculators, and more.
Browse by Category
12 categories, 179 tools
Image Tools
Convert, compress, and edit images online
15 tools
PDF Tools
Convert, merge, and edit PDF files
7 tools
Text Tools
Count words, convert case, and transform text
23 tools
Developer Tools
JSON, Base64, encoders, formatters and more
31 tools
Unit Converters
Convert between any units of measurement
18 tools
Calculators
Math, health, finance, and more calculators
39 tools
Network Tools
IP lookup, DNS, WHOIS, and SEO tools
9 tools
Security & Privacy
Passwords, QR codes, and encryption tools
10 tools
Social Media
Tools for YouTube, Instagram, and more
7 tools
AI Tools
AI-powered writing and content tools
Coming soon
Finance Tools
Currency, investment, and budget calculators
10 tools
Date & Time
Timezones, countdowns, and date calculators
10 tools
Popular Tools
Most used tools on ToolHQ
JPG to PNG Converter
Convert JPG images to PNG format instantly in your browser. No upload to server, 100% private and free.
PDF to Word Converter
Convert PDF files to editable Word documents (DOCX) online for free. Preserve formatting and layout.
Password Generator
Generate strong, random, and secure passwords instantly. Customize length and character types.
Word Counter
Count words, characters, sentences, paragraphs, and estimate reading time in real-time as you type.
JSON Formatter
Format, validate, and minify JSON data online. Syntax highlighting, error detection, and tree view.
BMI Calculator
Calculate your Body Mass Index (BMI) using height and weight. Supports metric and imperial units.
QR Code Generator
Generate QR codes for URLs, text, emails, phone numbers, and WiFi credentials instantly.
Base64 Encoder / Decoder
Encode and decode Base64 strings online. Also supports file to Base64 encoding for data URIs.
All Tools
179 tools available now
JPG to PNG Converter
Image Tools
PNG to JPG Converter
Image Tools
Image Compressor
Image Tools
WebP to JPG Converter
Image Tools
WebP to PNG Converter
Image Tools
JPG to WebP Converter
Image Tools
PNG to WebP Converter
Image Tools
Image Resizer
Image Tools
Image Cropper
Image Tools
SVG to PNG Converter
Image Tools
ICO Maker
Image Tools
PDF to Word Converter
PDF Tools
PDF Compressor
PDF Tools
PDF Merger
PDF Tools
PDF Splitter
PDF Tools
PDF to JPG Converter
PDF Tools
JPG to PDF Converter
PDF Tools
PDF Password Protect
PDF Tools
Word Counter
Text Tools
Text Case Converter
Text Tools
Remove Duplicate Lines
Text Tools
Text Reverser
Text Tools
Lorem Ipsum Generator
Text Tools
Text Diff Checker
Text Tools
Remove Extra Spaces
Text Tools
Password Generator
Security & Privacy
QR Code Generator
Security & Privacy
What Is My IP
Network Tools
Percentage Calculator
Calculators
Age Calculator
Calculators
Tip Calculator
Calculators
Discount Calculator
Calculators
Compound Interest Calculator
Calculators
Loan Calculator
Calculators
GPA Calculator
Calculators
Calorie Calculator
Calculators
Unit Converter
Unit Converters
Temperature Converter
Unit Converters
Length Converter
Unit Converters
Weight Converter
Unit Converters
Speed Converter
Unit Converters
Data Storage Converter
Unit Converters
JSON Formatter
Developer Tools
Base64 Encoder / Decoder
Developer Tools
URL Encoder / Decoder
Developer Tools
HTML Formatter
Developer Tools
CSS Minifier
Developer Tools
JavaScript Minifier
Developer Tools
Hash Generator
Developer Tools
Regex Tester
Developer Tools
JWT Decoder
Developer Tools
UUID Generator
Developer Tools
BMI Calculator
Calculators
Color Code Converter
Developer Tools
Watermark Adder
Image Tools
Image Metadata Viewer
Image Tools
Color Picker from Image
Image Tools
Bulk Image Converter
Image Tools
Character Counter
Text Tools
Sentence Counter
Text Tools
Reading Time Estimator
Text Tools
Find and Replace
Text Tools
Text Sorter
Text Tools
Truncate Text
Text Tools
Add Line Numbers
Text Tools
Duplicate Word Remover
Text Tools
Palindrome Checker
Text Tools
Binary to Text Converter
Text Tools
Hex to Text Converter
Text Tools
Morse Code Converter
Text Tools
ASCII Art Generator
Text Tools
Zalgo Text Generator
Text Tools
Fancy Text Generator
Text Tools
Whitespace Remover
Text Tools
HTML Encoder / Decoder
Developer Tools
CSS Formatter / Beautifier
Developer Tools
Markdown to HTML
Developer Tools
HTML to Markdown
Developer Tools
CSS Gradient Generator
Developer Tools
Box Shadow Generator
Developer Tools
Border Radius Generator
Developer Tools
Flexbox Generator
Developer Tools
CSS Grid Generator
Developer Tools
Meta Tag Generator
Developer Tools
Open Graph Preview
Developer Tools
Twitter Card Preview
Developer Tools
Robots.txt Generator
Developer Tools
.htaccess Generator
Developer Tools
chmod Calculator
Developer Tools
Cron Expression Parser
Developer Tools
HTTP Status Codes
Developer Tools
MIME Type Checker
Developer Tools
IP Address Validator
Developer Tools
User Agent Parser
Developer Tools
Area Converter
Unit Converters
Volume Converter
Unit Converters
Time Converter
Unit Converters
Pressure Converter
Unit Converters
Energy Converter
Unit Converters
Power Converter
Unit Converters
Fuel Efficiency Converter
Unit Converters
Angle Converter
Unit Converters
Frequency Converter
Unit Converters
Cooking Converter
Unit Converters
Shoe Size Converter
Unit Converters
Clothing Size Converter
Unit Converters
Simple Interest Calculator
Calculators
Mortgage Calculator
Calculators
ROI Calculator
Calculators
Tax Calculator
Calculators
VAT Calculator
Calculators
Salary Calculator
Calculators
Hourly to Salary Converter
Calculators
Fuel Cost Calculator
Calculators
Electricity Cost Calculator
Calculators
Paint Calculator
Calculators
Flooring Calculator
Calculators
Wallpaper Calculator
Calculators
Aspect Ratio Calculator
Calculators
Pixel to Em Converter
Calculators
Triangle Calculator
Calculators
Circle Calculator
Calculators
Prime Number Checker
Calculators
LCM & GCD Calculator
Calculators
Number Base Converter
Calculators
Statistics Calculator
Calculators
Standard Deviation Calculator
Calculators
Probability Calculator
Calculators
Random Number Generator
Calculators
Grade Calculator
Calculators
Calorie Burn Calculator
Calculators
Ideal Weight Calculator
Calculators
Body Fat Calculator
Calculators
BMR Calculator
Calculators
Pregnancy Due Date Calculator
Calculators
Ovulation Calculator
Calculators
IP Geolocation Lookup
Network Tools
SSL Certificate Checker
Network Tools
HTTP Headers Checker
Network Tools
Email Validator
Network Tools
Keyword Density Checker
Network Tools
Redirect Checker
Network Tools
Page Size Checker
Network Tools
Broken Link Checker
Network Tools
Password Strength Checker
Security & Privacy
Password Hasher
Security & Privacy
Random Token Generator
Security & Privacy
Encryption Tool
Security & Privacy
File Hash Checker
Security & Privacy
Credit Card Validator
Security & Privacy
IBAN Validator
Security & Privacy
Fake Identity Generator
Security & Privacy
Social Media Image Resizer
Social Media
Hashtag Generator
Social Media
Twitter Character Counter
Social Media
UTM Builder
Social Media
Link Shortener
Social Media
Emoji Picker
Social Media
Emoji to Text
Social Media
Inflation Calculator
Finance Tools
Net Worth Calculator
Finance Tools
Budget Planner
Finance Tools
Debt Payoff Calculator
Finance Tools
Savings Goal Calculator
Finance Tools
Retirement Calculator
Finance Tools
Break-Even Calculator
Finance Tools
Profit Margin Calculator
Finance Tools
Markup Calculator
Finance Tools
Invoice Generator
Finance Tools
Time Zone Converter
Date & Time
World Clock
Date & Time
Unix Timestamp Converter
Date & Time
Date Calculator
Date & Time
Days Until Calculator
Date & Time
Countdown Timer
Date & Time
Stopwatch
Date & Time
Business Days Calculator
Date & Time
Week Number Calculator
Date & Time
Calendar Generator
Date & Time
Why ToolHQ?
100% Private
All tools run in your browser. Files never leave your device.
Instant Results
No upload queues. Results are generated instantly.
Always Free
No subscriptions, no credits, no paywalls. Free forever.
Works Everywhere
Mobile, tablet, desktop — fully responsive design.