Privacy-FirstOnline Tools
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Popular Tools
Discover our most popular and useful tools
PDF Tools
Comprehensive PDF processing and manipulation tools
PDF Compress
Reduce PDF file size
PDF Merge
Combine multiple PDFs
PDF Split
Extract pages from PDF
PDF Rotate
Rotate PDF pages
PDF to Images
Extract PDF pages as images
PNG to PDF
Convert PNG images to PDF
PDF Watermark
Add watermarks to PDFs
PDF Remove Watermark
Remove watermarks from PDFs
PDF Unlock
Remove password protection from PDFs
PDF Delete Pages
Remove pages from PDF
PDF Extract Text
Extract text from PDF files
Image Tools
Powerful image processing and conversion tools
Text Tools
Essential text processing and formatting tools
Word Counter
Count words, characters, sentences
Case Converter
Convert text case formats
Lorem Ipsum Generator
Generate placeholder text
Text Diff Checker
Compare two texts side-by-side
Markdown Preview
Live markdown editor with preview
Regex Tester
Test and validate regular expressions
Remove Duplicate Lines
Remove duplicate lines from text
Find and Replace
Find and replace text
Extract Emails/URLs
Extract emails and URLs from text
Text to Slug
Convert text to URL-friendly slugs instantly. Customize separator, case, and accent handling. Perfect for creating SEO-friendly URLs, file names, or identifiers. Batch mode for multiple lines.
Developer Tools
Professional developer utilities and formatters
Productivity
Time-saving calculation and conversion tools
Percentage Calculator
Calculate percentages, increases, decreases, and differences instantly. Perfect for discounts, tips, tax calculations, or statistical analysis. Real-time calculations with clear results.
Password Generator
Generate secure random passwords with customizable length and complexity. Include uppercase, lowercase, numbers, and symbols. Perfect for creating strong passwords for accounts.
Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly. Perfect for developers working with APIs, databases, or log files. Supports multiple time zones and date formats.
Unit Converter
Convert between units of length, weight, temperature, area, volume, and speed. Supports metric, imperial, and US units. Perfect for cooking, construction, science, or international measurements.
Date Calculator
Add or subtract days, weeks, months from dates. Calculate date differences. Perfect for project planning, deadlines, or event countdowns. Supports leap years and varying month lengths.
Random Number Generator
Generate random numbers in any range. Integer or decimal. Multiple numbers at once. Perfect for games, simulations, testing, or random selection. Customizable range and count.
Age Calculator
Calculate your age in years, months, and days from your birthdate. See days until next birthday. Perfect for personal records, applications, or age verification.
BMI Calculator
Calculate your BMI from height and weight. Metric and Imperial units supported. Get health insights and BMI category. Perfect for health tracking and fitness goals.
Utility Tools
Useful utilities for everyday tasks
QR Code Generator
Generate QR codes from any text or URL. Download as PNG (200-800px). Perfect for business cards, WiFi credentials, product packaging, event tickets, or payment links.
Color Picker
Pick colors and convert between HEX, RGB, and HSL formats instantly. Generate color palettes for design projects. Perfect for web development, graphic design, and CSS styling.
Barcode Generator
Generate various barcode types (CODE128, EAN13, UPC-A). Customize size and format. Perfect for product labels, inventory management, and retail applications. Download as images.
Random String Generator
Generate random strings
Stopwatch/Timer
Stopwatch and countdown timer
Data & Encoding
Encoding, decoding, and data transformation tools
Base64 Encoder
Encode/decode text and files
URL Encoder
Encode/decode URLs
Hash Generator
Generate MD5, SHA hashes
Hex Encoder
Encode/decode text to hexadecimal
JSON to CSV
Convert JSON data to CSV format instantly. Handles nested objects and arrays. Download as CSV or copy to clipboard. Perfect for exporting API responses to Excel or Google Sheets.
CSV to JSON
Convert CSV data to JSON format instantly. Custom delimiter support (comma, semicolon, tab). Download as JSON or copy to clipboard. Perfect for API data processing and spreadsheet exports.
HTML Entity Encoder/Decoder
Encode/decode HTML entities