QR Tools
QR Code Generator
Create free QR codes for websites, WiFi, WhatsApp, email, SMS and contacts in your browser.
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Search tools
Find a calculator or utility by name or keyword.
63 tools in the catalogue
Calculators
Age Calculator
Find exact age in years, months and days, plus total weeks and days between two dates.
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Calculators
Percentage Calculator
Calculate X percent of Y, reverse percentages, and percentage increase or decrease.
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Calculators
BMI Calculator
Calculate body mass index in metric or imperial units, with category and healthy weight range.
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Calculators
Calorie Calculator
Estimate BMR and daily calories for maintenance, weight loss and weight gain using Mifflin-St Jeor.
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Calculators
Discount Calculator
Work out sale prices, savings and original prices from a discount percent.
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Finance Tools
Loan Calculator
Estimate monthly loan payments, total interest and a full amortization breakdown.
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Finance Tools
EMI Calculator
Calculate equated monthly installments, total interest and an amortization table for bank or personal loans.
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Finance Tools
Compound Interest Calculator
See how compound interest grows a starting amount, with optional monthly contributions and a year-by-year table.
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Pakistan Tools
Pakistan Salary Tax Calculator
Estimate annual and monthly salary tax from updateable FBR slab configuration.
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Pakistan Tools
Zakat Calculator
Estimate 2.5% Zakat on cash, gold, silver, investments and business assets after liabilities.
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Pakistan Tools
PTA Tax Calculator
Structure for estimating mobile registration taxes from a separate, updateable rate file.
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Image Tools
Image Compressor
Compress JPG, PNG and WebP images in your browser with quality control and size comparison.
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Image Tools
Resize Image
Resize images by pixels or percentage without uploading them.
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Image Tools
Crop Image
Crop images to a custom area in the browser.
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Image Tools
JPG to PNG
Convert JPG photos to PNG in your browser.
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Image Tools
PNG to JPG
Convert PNG images to JPG with quality control.
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Image Tools
WEBP to JPG
Convert WebP images to JPG.
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Image Tools
JPG to WEBP
Convert JPG images to WebP for smaller files.
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PDF Tools
JPG to PDF
Combine multiple JPG images into a single PDF, reorder pages and download locally.
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PDF Tools
PDF to JPG
Turn each PDF page into a JPG image in your browser, then download one page or a ZIP of all pages.
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PDF Tools
Merge PDF
Merge multiple PDF files into one document in the browser.
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PDF Tools
Split PDF
Extract pages from a PDF without uploading the file.
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PDF Tools
Compress PDF
Reduce PDF file size in your browser.
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Developer Tools
JSON Formatter
Pretty-print and minify JSON in the browser.
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Developer Tools
JSON Validator
Validate JSON and show parse errors clearly.
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Developer Tools
Base64 Encoder
Encode text to Base64.
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Developer Tools
Base64 Decoder
Decode Base64 back to text.
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Developer Tools
UUID Generator
Generate UUID v4 identifiers instantly.
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Developer Tools
URL Encoder
Percent-encode URLs and query strings.
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Developer Tools
URL Decoder
Decode percent-encoded URLs.
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Developer Tools
Timestamp Converter
Convert Unix timestamps to dates and back.
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Developer Tools
JWT Decoder
Decode a JSON Web Token header and payload in your browser. Signatures are displayed, not verified.
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Developer Tools
HTML Formatter
Beautify or minify HTML markup locally in the browser.
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QR Tools
URL to QR
Turn a website URL into a downloadable QR code without uploading anything.
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QR Tools
WiFi QR Generator
Create a WiFi login QR code from network name, security type and password. Processed only on this device.
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QR Tools
WhatsApp QR Generator
Build a WhatsApp chat QR code with country code, number and optional message.
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QR Tools
Email QR Generator
Generate a mailto QR code with optional subject and body, entirely in the browser.
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Text Tools
Word Counter
Count words, characters, sentences and estimated reading time.
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Text Tools
Character Counter
Count characters with and without spaces.
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Text Tools
Case Converter
Switch text between uppercase, lowercase, title case, sentence case, camelCase, snake_case and kebab-case.
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Text Tools
Remove Duplicate Lines
Drop duplicate lines from a list while keeping the original order.
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Text Tools
Remove Extra Spaces
Collapse repeated spaces, trim lines and optionally squeeze blank lines.
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Text Tools
Text Sorter
Sort lines A–Z, Z–A, by length, or shuffle them with a local random generator.
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Text Tools
Text Reverser
Reverse characters, words or whole lines of text in the browser.
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Text Tools
Slug Generator
Turn a title into a URL-safe slug with lowercase letters, numbers and hyphens.
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Text Tools
Lorem Ipsum Generator
Generate classic placeholder paragraphs, sentences or words locally.
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Unit Converters
Length Converter
Convert millimetres, centimetres, metres, kilometres, inches, feet, yards and miles.
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Unit Converters
Weight Converter
Convert milligrams, grams, kilograms, tonnes, ounces, pounds and stone.
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Unit Converters
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin with the correct offset formulas.
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Unit Converters
Area Converter
Convert square metres, hectares, acres, square feet and related area units.
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Unit Converters
Speed Converter
Convert metres per second, kilometres per hour, miles per hour, knots and feet per second.
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Unit Converters
Data Storage Converter
Convert bits, bytes, kilobytes and larger units using SI (1000) or binary (1024) prefixes.
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Unit Converters
Time Converter
Convert milliseconds, seconds, minutes, hours, days and weeks of duration.
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Date & Time Tools
Date Calculator
Add or subtract years, months, weeks and days from a calendar date.
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Date & Time Tools
Date Difference Calculator
Find the exact duration between two calendar dates in years, months, weeks and days.
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Date & Time Tools
Pregnancy Due Date Calculator
Estimate a due date, conception date and gestational age from LMP, a known due date or conception using Naegele’s 280-day rule.
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Student Tools
GPA Calculator
Calculate a credit-weighted GPA on a 4.0 letter-grade scale.
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Student Tools
CGPA Calculator
Combine previous CGPA with a new semester, or average several semester GPAs.
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Student Tools
Grade Calculator
Work out a weighted course grade from assignment scores and weights.
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Student Tools
Study Time Calculator
Split remaining study hours across the days until an exam, with an optional pages-per-hour estimate.
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Security Tools
Password Generator
Generate random passwords with crypto.getRandomValues. Nothing is sent to a server or stored.
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Security Tools
Password Strength Checker
Estimate password entropy and common weaknesses locally. The password never leaves this tab.
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