Browse 80 free calculators, converters, developer utilities, and file tools. Every tool works without an account, and private input stays in your browser whenever possible.
Check your connection details and investigate IP reputation.
Start here: My IP Address · Blacklist Check
Count, clean, compare, and transform text directly in your browser.
Start here: Word Counter · Text Diff Checker · Text Case Converter
Use the free Word Counter online with no sign-up required.
Use the free Duplicate Line Remover online with no sign-up required.
Use the free Alphabetical Sorter online with no sign-up required.
Use the free Text Diff Checker online with no sign-up required.
Use the free Unicode Cleaner online with no sign-up required.
Use the free Text Case Converter online with no sign-up required.
Use the free Lorem Ipsum Generator online with no sign-up required.
Calculate dates, working days, time zones, timers, and timestamps.
Start here: Days Between Dates · Business Day Calculator · Age Calculator
Use the free Days Between Dates online with no sign-up required.
Use the free Business Day Calculator online with no sign-up required.
Use the free Age Calculator online with no sign-up required.
Use the free Unix/Epoch Converter online with no sign-up required.
Use the free Leap Year Checker online with no sign-up required.
Use the free Date Format Converter online with no sign-up required.
Use the free Timezone Meeting Finder online with no sign-up required.
Use the free Stopwatch online with no sign-up required.
Use the free Clock online with no sign-up required.
Use the free Pomodoro Timer online with no sign-up required.
Free calculators and converters for everyday, financial, scientific, and project planning tasks.
Start here: Percentage Calculator · Unit Converter · Loan Calculator · Paycheck Calculator
Calculate accurate results instantly with the free Scientific Calculator.
Calculate accurate results instantly with the free Shape Calculator.
Calculate accurate results instantly with the free Percentage Calculator.
Calculate accurate results instantly with the free Unit Converter.
Calculate accurate results instantly with the free BMI Calculator.
Calculate accurate results instantly with the free Loan Calculator.
Calculate accurate results instantly with the free Compound Interest.
Calculate accurate results instantly with the free Salary Calculator.
Calculate accurate results instantly with the free Tip Calculator.
Calculate accurate results instantly with the free Calorie Calculator.
Calculate accurate results instantly with the free Fraction Calculator.
Calculate accurate results instantly with the free GPA Calculator.
Calculate accurate results instantly with the free Aspect Ratio Calculator.
Calculate accurate results instantly with the free Paycheck Calculator.
Calculate accurate results instantly with the free Debt Payoff Calculator.
Calculate accurate results instantly with the free Sales Tax Calculator.
Calculate accurate results instantly with the free Inflation Calculator.
Calculate accurate results instantly with the free Random Number Generator.
Calculate accurate results instantly with the free Shoe Size Converter.
Calculate accurate results instantly with the free Color Converter.
Calculate accurate results instantly with the free Concrete Calculator.
Calculate accurate results instantly with the free Download Time.
Create, convert, and optimize documents and images locally without uploading them.
Start here: QR Code Generator · PDF to Markdown · Image Compressor
Use the free QR Code Generator locally in your browser—no account or file upload required.
Use the free PDF to Markdown locally in your browser—no account or file upload required.
Use the free DOCX to Markdown locally in your browser—no account or file upload required.
Use the free Word to PDF locally in your browser—no account or file upload required.
Use the free PDF to Word locally in your browser—no account or file upload required.
Use the free PDF Merge & Split locally in your browser—no account or file upload required.
Use the free Image Compressor locally in your browser—no account or file upload required.
Use the free Image Resizer locally in your browser—no account or file upload required.
Use the free Image Format Converter locally in your browser—no account or file upload required.
Use the free Image to Text (OCR) locally in your browser—no account or file upload required.
Use the free Background Remover locally in your browser—no account or file upload required.
Use the free 2D Sprite Creator locally in your browser—no account or file upload required.
Use the free CSV to JSON locally in your browser—no account or file upload required.
Format, validate, convert, and generate data for software and web development.
Start here: JWT Decoder · JSON Formatter · Binary Converter
Open the JWT Decoder for a fast, browser-based development workflow.
Open the JWT Generator for a fast, browser-based development workflow.
Open the Prompt Token Counter for a fast, browser-based development workflow.
Open the Markdown + Mermaid Preview for a fast, browser-based development workflow.
Open the JSON Formatter for a fast, browser-based development workflow.
Open the JSON Validator for a fast, browser-based development workflow.
Open the YAML to JSON for a fast, browser-based development workflow.
Open the JSON to YAML for a fast, browser-based development workflow.
Open the XML to JSON for a fast, browser-based development workflow.
Open the SQL Formatter for a fast, browser-based development workflow.
Open the Cron Expression Generator for a fast, browser-based development workflow.
Open the Regex Tester for a fast, browser-based development workflow.
Open the Base64 Encode/Decode for a fast, browser-based development workflow.
Open the URL Encode/Decode for a fast, browser-based development workflow.
Open the UUID Generator for a fast, browser-based development workflow.
Open the Hash Generator for a fast, browser-based development workflow.
Open the ASCII Table for a fast, browser-based development workflow.
Open the Chmod Calculator for a fast, browser-based development workflow.
Open the Password Generator for a fast, browser-based development workflow.
Open the Subnet Calculator for a fast, browser-based development workflow.
Open the Markdown Table Generator for a fast, browser-based development workflow.
Open the Text to Speech for a fast, browser-based development workflow.
Open the Binary Converter for a fast, browser-based development workflow.
Open the Meta Tag Generator for a fast, browser-based development workflow.
Open the Sitemap Generator for a fast, browser-based development workflow.
Open the Typing Speed Test for a fast, browser-based development workflow.