Reading Time Estimator
Paste any text to instantly see estimated reading time and speaking time.
Regex Tester
Test regular expressions live with real-time match highlighting, capture group inspection, and flag controls.
Remove Duplicate Lines
Remove duplicate lines from text
Remove Empty Lines
Remove blank lines from text in one click.
Rent vs Buy Calculator
Compare the total costs of renting versus buying a home over a given number of years.
Reverse Text
Reverse any text string
Robots.txt Generator
Generate a robots.txt file for search engines.
Roman Numeral Converter
Convert between Roman numerals and decimal numbers. Supports values from 1 to 3,999.
Rotate PDF
Rotate individual pages or the entire PDF document — see thumbnail previews, click to rotate, and download the result instantly.
SHA-1 Hash Generator
Generate SHA-1 hash from text
SHA-256 Hash Generator
Generate SHA-256 hash from text
SHA-384 Hash Generator
Generate SHA-384 hashes from text instantly.
SHA-512 Hash Generator
Generate SHA-512 hash from text
SQL Formatter
Beautify and format SQL queries with proper indentation and uppercase keywords for improved readability.
SQL Minifier
Minify SQL queries for compact storage or sharing.
SQL to Data Converter
Parse SQL INSERT statements and convert them to CSV, JSON, HTML table, or XML instantly.
SVG to PNG Converter
Paste SVG code or upload an SVG file, choose output size, and download a high-quality PNG. Fully client-side using Canvas.
Salary Calculator
Convert salary between annual, monthly, bi-weekly, weekly, and hourly rates.
Salary to Hourly Calculator
Convert between annual salary, monthly, weekly, and hourly pay rates.
Sales Tax Calculator
Calculate sales tax amount and total price including tax.
Savings Goal Calculator
Calculate how much to save per month to reach your financial goal.
Scientific Calculator
Advanced scientific calculator with 540+ functions: trigonometry, logarithms, matrices, complex numbers, equation solver, statistics, base-N conversion, and 47 scientific constants. Inspired by Casio fx-991CW.
Scientific Notation Calculator
Convert numbers to and from scientific notation. Also perform arithmetic on numbers in scientific notation.
Screen Resolution Detector
Instantly see your screen resolution, viewport size, device pixel ratio, color depth, orientation, touch support, and browser information. Updates live on resize.
