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Calculators, PDF editors, image tools, developer utilities & QR studios — everything runs locally on your device. Zero uploads, zero tracking.
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Financial & Tax Calculators
EMI, SIP, Compound Interest, Income Tax, GST, Freelance Rate, FD/RD, PPF, CAGR, Car Loan, Debt Payoff, Inflation & Seller Profit.
EMI Loan Calculator
Easily calculate monthly loan installments (EMI), total interest, and amortization schedule.
SIP Calculator
Estimate future wealth through Systematic Investment Plans (SIP) and Lumpsum mutual funds.
GST Calculator
Calculate GST addition or removal quickly with precise CGST & SGST percentage breakdown.
Compound Interest
Calculate exponential wealth growth with custom compounding frequencies and recurring deposits.
Income Tax Calculator
Estimate annual tax payable and net monthly take-home salary comparing New vs Old regimes.
FD & RD Calculator
Calculate Fixed Deposit and Recurring Deposit maturity amounts, interest earned, and payouts.
PPF Calculator
Project 15-year tax-free government wealth creation under Public Provident Fund scheme.
CAGR Calculator
Compute Compound Annual Growth Rate for stocks, mutual funds, real estate, and portfolio assets.
Inflation Calculator
Determine future cost of living, purchasing power erosion, and retirement requirements.
Car Loan & Depreciation
Calculate monthly auto loan EMI, total interest, and 5-year vehicle resale value equity.
Debt Payoff Calculator
Calculate debt-free dates, interest savings, and payoff acceleration using extra monthly payments.
Discount Calculator
Calculate sale discount amounts, percentage savings, and final price including taxes.
E-Commerce Seller Profit
Calculate net profit, platform commission, GST deductions, and margins for Meesho, Amazon, & Flipkart.
Freelance Rate & Pricing
Calculate minimum and recommended hourly rates, daily rates, and project quotes based on salary, tax, and expenses.
Health & Fitness
BMI, Calorie/TDEE, Water Intake, Macro & Fiber, Sleep Cycles, Body Fat, Period Tracker, Pregnancy Due Date.
BMI Calculator
Check if your Body Mass Index is within a healthy range based on weight and height.
Calorie & TDEE Calculator
Calculate Basal Metabolic Rate (BMR) and daily maintenance/deficit calorie targets.
Water Intake Calculator
Find your ideal daily water consumption target tailored to body weight and climate activity.
Macro & Fiber Calculator
Calculate personalized daily Protein, Fat, Carbohydrates, and Dietary Fiber intake targets.
Sleep Cycle Calculator
Find optimal bedtimes or wake-up alarm times aligned with natural 90-minute REM sleep cycles.
Body Fat & Ideal Weight
Estimate body fat percentage, lean body mass, and ideal target weight using US Navy circumference method.
Period & Ovulation Tracker
Predict next menstrual cycle, estimated ovulation day, fertile window, and 6-month calendar timeline.
Pregnancy Due Date
Estimate delivery date, current gestational age, trimester progress, and milestone calendar.
Sexual Health & Intimacy
Track intimate wellness habits, annual frequency stats, estimated calories burned, and research insights.
Everyday & Utilities
Age calculator, Fuel trip cost, EV charging planner, Electricity bill estimator, Tip & Split bill, Mark/CGPA.
Age Calculator
Find out your exact age in years, months, days, hours, and minutes with upcoming birthday countdown.
Fuel Cost Calculator
Estimate total journey fuel expense based on trip distance, fuel economy mileage, and pump prices.
EV Charging Calculator
Plan electric vehicle battery charging time, electricity units consumed, and total charging cost.
Electricity Bill Calculator
Calculate household appliance power usage in kWh units and estimate monthly utility electricity bill.
Tip & Split Bill
Calculate service tips and split restaurant dining or shared group expenses evenly.
Mark & CGPA Calculator
Convert academic CGPA / SGPA to percentage and compute aggregate semester examination marks.
Math & Science
Scientific calculator, Percentage calculator, Date & Time duration, Cryptographic Random Number generator.
Scientific Calculator
Advanced mathematical calculations with trigonometry, logarithms, powers, square roots, and factorials.
Percentage Calculator
Compute percentage increases, decreases, discounts, markups, and relative fractions instantly.
Date & Time Duration
Calculate total calendar days, working business days, and time intervals between two calendar dates.
Random Number Generator
Generate cryptographically secure integers or decimals with custom range, uniqueness, and sorting.
Unit & Storage Converters
15-unit Storage Converter (SI Decimal & IEC Binary), Universal Unit Converter, Volumetric Shipping Weight.
Storage Converter (SI / IEC)
Convert GB, MB, TB across 15 digital units using both Decimal (1000x) and Binary (1024x) standards.
Universal Unit Converter
Instant multi-unit conversion for length, weight/mass, temperature, area, speed, and fluid volume.
Volumetric Weight Calculator
Calculate dimensional cargo weight for air and courier freight to determine billable shipping costs.
PDF Suite
100% Browser-side PDF Merge, Split, Rotate, Compress, Images to PDF, PDF to Images, and Watermark.
Merge PDF
Combine multiple PDF documents into a single organized PDF file 100% locally in your browser.
Split PDF
Extract specific page ranges or split each page into individual documents.
Compress PDF
Reduce heavy PDF file sizes directly on your device without transmitting data.
Images to PDF
Convert JPG, PNG, and WebP photo files into a unified high-resolution PDF document.
PDF to Images
Export PDF document pages into high-clarity PNG or JPEG picture files.
Rotate PDF
Rotate inverted or landscape PDF pages 90°, 180°, or 270° permanently.
Watermark PDF
Stamp confidential text or logos directly onto PDF pages securely.
Image & Graphics
Client-side image compression, dimension resizing, cropping, format conversion (JPG/PNG/WebP), Color Picker.
Image Compressor
Compress JPG, PNG, and WebP images client-side with instant before/after size comparisons.
Image Resizer
Scale image resolution by exact pixel dimensions or custom percentage with locked aspect ratio.
Image Cropper
Crop image frames with standard aspect ratios (16:9, 1:1, 4:5, 9:16) or freeform bounds.
Image Converter
Convert HEIC, PNG, JPG, and WebP images in batch with individual or ZIP download options.
Color Picker & Palette
Pick pixel colors from uploaded images with magnifying loupe and copy HEX/RGB/HSL codes.
Favicon Generator
Generate full set of multi-resolution website favicons (16x16, 32x32, 180x180 Apple Touch).
Developer Tools
Code Formatter & Beautifier, Password & Passphrase Generator, JSON Formatter, Base64, Hash Generator, Regex Tester, UUID.
Code Formatter & Beautifier
Format, beautify, and minify HTML, CSS, JavaScript, JSON, SQL, XML, and Markdown code online.
Password & Passphrase Generator
Generate cryptographically secure passwords, memorable diceware passphrases, and bulk keys using Web Crypto API.
JSON Formatter & Validator
Format, beautify, minify, validate, and debug JSON syntax with exact error line numbers.
Base64 Encoder / Decoder
Encode raw text strings into Base64 or decode Base64 back to UTF-8 with 1-click swap.
Hash Generator
Generate cryptographic SHA-256, SHA-512, SHA-1, and MD5 hashes using native Web Crypto API.
Regex Tester
Test regular expressions with real-time highlighted match groups and flag toggles.
UUID / GUID Generator
Generate batches of cryptographically random Version-4 UUIDs with uppercase and hyphen controls.
Text & Writing
Word and character counter, Case converter (UPPER, lower, Title, camelCase), visual Text Diff checker.
Word & Character Counter
Real-time statistics for words, characters, sentences, paragraphs, reading and speaking speed.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case, and kebab-case.
Text Diff Checker
Compare two text snippets side-by-side to highlight added, removed, and modified characters.
QR & Barcodes
Generate and scan custom QR Codes and 1D/2D Barcodes (EAN, UPC, Code 128) via image upload or live camera viewfinder.
QR Code Generator
Generate custom QR codes for Website URLs, Plain Text, Wi-Fi networks, and Emails with color controls.
QR Code Reader / Scanner
Scan and decode QR codes instantly from images, paste (Ctrl+V), or live camera with URL & Wi-Fi parsing.
Barcode Generator
Generate CODE128, EAN-13, and UPC-A standard barcodes for inventory and products.
Barcode Reader / Scanner
Scan and decode 1D & 2D barcodes (EAN-13, UPC-A, Code-128, etc.) from images, drag-and-drop, or live camera.
Audio Studio
Web Audio client trimmer, waveform cutter, and audio format converter.
Hardware Diagnostics
Interactive browser hardware diagnostics: Keyboard speed test (WPM), Webcam test, Microphone monitor, and Key tester.
Webcam Test
Test camera hardware resolution, live stream frame rate, and capture snapshot photos.
Microphone Audio Test
Test microphone input levels, visualize decibel waveform frequencies, and test playback sound.
Keyboard Key Tester
Detect sticky keys, test key rollover ghosting, and visually check every key on your physical keyboard.
Keyboard Speed Test
Test typing speed (WPM), accuracy, and keystrokes with difficulty levels, live animated caret, and real-time keypress visualizer.
Your data never leaves your device
Every tool processes your files entirely in your browser via client-side JavaScript and Web APIs. No server uploads. No data collection. No cookies. Ever.
Zero Uploads
Files never leave your browser
No Accounts
Use everything without signing up
Instant & Free
No paywalls, no limits, ever