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QuantumEdge is a growing collection of simple, privacy-friendly utilities — unit converters, calculators, developer tools and more. No sign-up. No downloads. Just tools that work instantly in your browser.

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Tool Categories

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Unit Converters

Convert length, weight, temperature, speed, area, volume, time and data sizes instantly.

Date & Time

Timestamps, age, business days, leap years, timezones and countdowns.

Calculators

Percentage, BMI, loan, mortgage, interest, profit and tip calculators.

Developer Tools

JSON, Base64, URL, JWT and Regex utilities for devs.

Text & Utility

Counters, text cleanup, passwords, QR codes, colors and more.

Security & Encoding

Check passwords, generate hashes and create safe unique IDs in seconds.

Web & SEO Tools

Generate SEO metadata, robots.txt rules and clean URL slugs.

Image Tools

Compress, convert, resize, crop, annotate, and extract text from images in your browser.

Finance & Utility

Estimate savings, tax, ROI, salary, net worth, and investment scenarios quickly.

Misc Tools

Generate names, usernames, fake data, barcodes, gradients, and pricing helpers.

Popular Tools

Length Converter

Convert km, miles, meters, feet, inches and more.

Weight Converter

Convert kg, lbs, grams, ounces and stones.

Temperature Converter

Celsius, Fahrenheit, Kelvin conversions.

Speed Converter

km/h, mph, m/s and knots.

Data Size Converter

Bytes, KB, MB, GB, TB conversions.

Convert square meters, square feet, acres, hectares and more.

Volume Converter

Convert liters, milliliters, gallons, cups and cubic meters.

Convert seconds, minutes, hours, days and weeks instantly.

Timestamp to Date Converter

Convert Unix timestamps to human-readable dates.

Calculate your exact age in years, months, and days.

Days Between Dates

Count the days between any two dates.

Timezone Converter

Convert time across world timezones.

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Private by design

Your data never leaves your device. Nothing is stored or transmitted.

Genuinely useful

100+ tools built around real tasks people search for every day.

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