Beast500+ free tools
Free tools for marketers & developers
Client-side SEO, fingerprint, proxy, and developer utilities. Fast, private, and 100% free.
Math & Unit Converters
10 ToolsAge Calculator by Date of Birth
Calculate exact age in years, months, days, hours, and minutes.
Body Mass Index (BMI) Calculator
Calculate BMI score and health category based on height and weight.
Basal Metabolic Rate (BMR) Calculator
Calculate daily baseline calorie burning rate at rest.
Daily Calorie Intake Calculator
Calculate daily recommended calories for weight loss or maintenance.
Date Duration Calculator
Calculate number of days, weeks, and months between two dates.
Percentage Calculator
Calculate percentage increases, decreases, and relative fractions.
Universal Unit Converter
Convert length, mass, volume, temperature, and area units.
Length & Distance Converter
Convert meters, feet, inches, kilometers, and miles.
Weight & Mass Converter
Convert kilograms, pounds, ounces, grams, and tons.
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin temperature scales.
No matching tools found
Try searching for keywords like "AI", "SEO", "IP", "JSON", or "Proxy".
Managing Multiple Profiles? Keep Profiles Organized and Isolated.
Web tools give you basic insights, but real profile isolation requires real browser isolation. BeastBrowser configures over 50+ hardware & browser fingerprints, isolates cookies, and manages proxies per account.
Frequently Asked Questions
Are all 500+ tools on BeastBrowser 100% free?
Yes! Every single tool in our collection of 500+ online tools is 100% free to use with zero registration, no usage caps, and no credit card required.
Is my input data private when using these tools?
Yes. All calculations, text processing, formatting, JWT decoding, and fingerprint inspections run pure client-side JavaScript inside your local browser. Your data never touches any server.
How do these free tools relate to the BeastBrowser app?
These tools help digital marketers, media buyers, developers, and SEO professionals optimize campaigns and inspect browser behavior. For full multi-profile isolation, dedicated proxies, and hardware browser identity control, download the BeastBrowser desktop application.
