Free Online Tools
for Everyone
Calculators, converters, developer tools, PDF, image, audio, text, and SEO tools. Client-side processing — your files never leave your device.
104+
Free Tools
0
Files Uploaded
100%
Client-Side
0
Signup Required
🧮 Calculators(34)
View all →Percentage Calculator
Calculate percentages, percentage increase/decrease, and more
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes
BMI Calculator
Calculate your Body Mass Index and see what category you fall into
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and amortization schedule
Tip Calculator
Calculate tip amount and split the bill between multiple people
Loan Calculator
Calculate loan payments, total interest, and payoff timeline
Salary to Hourly Calculator
Convert between salary and hourly wage, accounting for hours and weeks worked
Compound Interest Calculator
Calculate compound interest growth over time with regular contributions
🛠 Developer Tools(24)
View all →JSON Formatter & Validator
Format, validate, and beautify JSON data online
Base64 Encoder/Decoder
Encode and decode Base64 strings online
UUID Generator
Generate random UUIDs (v4) and other UUID versions online
URL Encoder/Decoder
Encode and decode URLs and query parameters online
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online
Regex Tester
Test and debug regular expressions with real-time matching and explanation
Color Picker & Converter
Pick colors and convert between HEX, RGB, HSL, and CMYK formats
Cron Expression Builder
Build and understand cron expressions with a visual editor
📄 PDF Tools(6)
View all →Merge PDF
Combine multiple PDF files into one document online
Compress PDF
Reduce PDF file size while maintaining quality
PDF to Image
Convert PDF pages to JPG or PNG images online
Image to PDF
Convert images (JPG, PNG, WebP) to PDF documents
Split PDF
Split a PDF into separate pages or extract specific page ranges
Rotate PDF
Rotate PDF pages by 90, 180, or 270 degrees
🖼 Image Tools(8)
View all →Resize Image
Resize images to exact dimensions or by percentage online
Compress Image
Compress and reduce image file size while keeping quality
Convert Image Format
Convert between JPG, PNG, WebP, GIF, and other image formats
Crop Image
Crop images to custom dimensions or preset aspect ratios
HEIC to JPG Converter
Convert HEIC/HEIF images from iPhone to JPG or PNG format
Add Watermark to Image
Add text or image watermarks to your photos to protect your work
Passport Photo Maker
Create compliant passport and visa photos for any country. US, UK, EU, Schengen, and 100+ countries supported.
ID Photo Resizer
Resize photos to exact specifications for passports, visas, driver's licenses, and work permits
🎵 Audio Tools(5)
View all →Audio Trimmer
Trim and cut audio files online — MP3, WAV, OGG, and more
Volume Changer
Increase or decrease the volume of audio files online
BPM Detector
Detect the BPM (beats per minute) of any song or audio file
Audio Converter
Convert audio files between MP3, WAV, OGG, and other formats
Audio Joiner
Merge multiple audio files into one seamless track
📱 QR Code Tools(1)
View all →🔄 Unit Converters(11)
View all →Length Converter
Convert between feet, inches, meters, centimeters, miles, and kilometers
Weight Converter
Convert between pounds, kilograms, ounces, grams, and stones
Temperature Converter
Convert between Fahrenheit, Celsius, and Kelvin
Speed Converter
Convert between mph, km/h, knots, m/s, and ft/s
Volume Converter
Convert between gallons, liters, cups, milliliters, and fluid ounces
Area Converter
Convert between square feet, square meters, acres, and hectares
Data Storage Converter
Convert between bytes, KB, MB, GB, TB, and PB
Time Converter
Convert between seconds, minutes, hours, days, weeks, and years
📝 Text Tools(10)
View all →Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, and more
Text Repeater
Repeat any text or string multiple times with optional separators
Remove Line Breaks
Remove or replace line breaks and extra whitespace from text
Remove Duplicate Lines
Remove duplicate lines from text while preserving order
Fancy Text Generator
Convert text into fancy Unicode fonts for social media bios and posts
Text to Speech
Convert text to speech audio using your browser's built-in voices
URL Slug Generator
Convert text into URL-friendly slugs for web pages and blog posts
Reverse Text
Reverse text, words, or sentences. Mirror text and flip upside down
🔍 SEO Tools(5)
View all →Meta Tag Generator
Generate HTML meta tags for your website including title, description, and keywords
Schema Markup Generator
Generate JSON-LD structured data for articles, products, FAQs, and more
Robots.txt Generator
Generate a robots.txt file to control how search engines crawl your site
Open Graph Preview
Preview how your page will look when shared on Facebook, Twitter, and LinkedIn
Google SERP Preview
Preview how your page will appear in Google search results
Privacy First
Every tool runs entirely in your browser. Your files, data, and calculations never leave your device. No accounts, no tracking, no uploads to servers.