✨ What's New at ZeeSharp

📊

Sequence & Series Calculator

Generate terms, find nth term formula, compute partial sums and check convergence for arithmetic, geometric, Fibonacci, harmonic and power series

New 71 days ago

📐

Polynomial Equation Solver

Solve quadratic, cubic and quartic polynomial equations with step-by-step working, real and complex roots, discriminant and factored form

New 71 days ago

🔢

Prime Factorization Calculator

Find prime factors of any number, check primality, calculate GCD, LCM, list primes in a range and compute Euler totient and modular arithmetic

New 71 days ago

🔢

Matrix Calculator

Add, subtract and multiply matrices; calculate determinant, inverse, transpose and rank for 2×2 to 5×5 matrices with step-by-step working

New 71 days ago

🔢

Vector Calculator

Perform 2D and 3D vector operations — addition, subtraction, dot product, cross product, magnitude, unit vector and angle between vectors

New 71 days ago

📐

Trigonometry Calculator

Calculate all six trig functions, solve triangles with law of sines and cosines, convert angles and explore the interactive unit circle

New 71 days ago

📐

Linear System Solver

Solve systems of 2 to 5 linear equations using Gaussian elimination with full augmented matrix and row-reduction steps shown

New 71 days ago

∫

Numerical Integration Calculator

Compute definite integrals using Simpson Rule, Trapezoidal Rule and Midpoint Rule with step-by-step breakdown and accuracy comparison

New 71 days ago

📊

Statistics Calculator

Calculate descriptive statistics and probability distributions — mean, median, mode, variance, standard deviation, normal, binomial and Poisson

New 71 days ago

🔢

Complex Number Calculator

Perform arithmetic on complex numbers in rectangular and polar form — addition, subtraction, multiplication, division, modulus, argument and powers

New 71 days ago

💡

LED Resistor Calculator

Calculate the exact current-limiting resistor value, power rating and nearest standard E12/E24 value for any LED circuit

New 71 days ago

🔋

Voltage Drop Calculator

Calculate voltage drop across any cable run by wire gauge, current and length with NEC compliance check

New 71 days ago

⚡

Ohm's Law Calculator

Enter any two electrical values (V, I, R, P) to instantly calculate the remaining two using Ohm's Law

New 71 days ago

⚙

Motor Current Calculator

Calculate full-load amps, starting current, overload relay setting and MCB size for single-phase and three-phase AC motors

New 71 days ago

🔄

RC Time Constant Calculator

Calculate RC time constant (τ), charge/discharge time, cutoff frequency and energy stored in capacitor with curve diagram

New 71 days ago

🔋

Battery Backup Calculator

Calculate UPS or inverter runtime from battery Ah and load watts, or size the battery bank for a required backup time

New 71 days ago

⚡

Three-Phase Power Calculator

Calculate real power, apparent power, reactive power, line current and phase current for balanced three-phase AC systems

New 71 days ago

⚡

Power Factor Calculator

Calculate real power (kW), reactive power (kVAR), apparent power (kVA) and power factor with capacitor correction sizing

New 71 days ago

💡

Electricity Bill Calculator

Add your appliances with wattage and daily usage hours to calculate monthly kWh consumption and electricity cost

New 71 days ago

🪜

Staircase Calculator

Calculate stair steps, riser height, tread depth, stringer length and total going with building code compliance check

New 71 days ago

🏠

Roof Calculator

Calculate roof area, sheets or tiles needed and materials for gable, hip, shed and flat roofs with adjustable pitch

New 71 days ago

🧱

Brick Calculator

Calculate number of bricks, mortar volume, cement bags and sand for any wall with adjustable brick size and mortar joint

New 71 days ago

🏗

Concrete Calculator

Calculate cement bags, sand and aggregate for slabs, columns, beams and footings — supports M10 to M25 mix grades

New 71 days ago

🏗

Construction Cost Estimator

Estimate residential building cost by area, grade and location with detailed breakdown of civil, finishing and MEP works

New 71 days ago

⛏

Sand & Aggregate Calculator

Calculate sand, aggregate and cement bags for plastering, floor screeding, brickwork mortar and plain concrete

New 71 days ago

🏡

Flooring Calculator

Calculate flooring area, quantity with wastage, packs needed and cost for hardwood, laminate, tile and vinyl

New 71 days ago

🔩

Rebar Calculator

Calculate steel reinforcement bar weight in kg and tonnes by diameter and length for multiple bar entries

New 71 days ago

🎨

Poster Generator

Design professional posters, flyers and social media graphics with text, shapes and image layers

New 71 days ago

📱

Phone Mockup Generator

Create App Store & Play Store screenshots inside pixel-accurate iPhone, Android or iPad frames

New 71 days ago

📋

Schema Markup Generator

Build valid JSON-LD structured data for Article, Product, FAQ, LocalBusiness and BreadcrumbList schemas using a simple form. No coding needed.

New 71 days ago

↪

Redirect Chain Checker

Trace the full HTTP redirect chain for any URL. See every 301, 302 and 307 hop, the final destination URL and response time per hop.

New 71 days ago

🔗

Canonical URL Checker

Enter any URL to read its canonical tag, meta robots directive, Open Graph tags and Twitter Card tags from the live page.

New 71 days ago

🔍

SERP Preview Tool

See exactly how your page looks in Google search results. Live desktop and mobile preview with title and description character counters.

New 71 days ago

🔗

Bio Link Page Builder

Create a customizable link-in-bio page with your profile, avatar and all your links. Download as a standalone HTML file. No account needed.

New 71 days ago

🛡️

SPF, DKIM & DMARC Checker

Test a domain's SPF, DKIM and DMARC email authentication records and find issues

New 72 days ago

✅

Email Validator

Check email format, mail servers, disposable providers and role accounts — single or bulk

New 72 days ago

🪄

Email Extractor

Pull every valid, deduplicated email address out of any pasted text or HTML

New 72 days ago

🔗

Mailto Link Generator

Generate a ready-to-use mailto: link with To, CC, BCC, subject and body pre-filled

New 72 days ago

📊

Spam Score Checker

Test an email subject line and body for spam-trigger words before you hit send

New 72 days ago

🚫

Email Blacklist Checker

Check a domain or IP against 10 major spam blacklists (DNSBL) like Spamhaus and SpamCop

New 72 days ago

🔢

Domain to IP

Find the IPv4 and IPv6 address(es) behind any domain name, with TTL and reverse DNS lookup.

72 days ago

🗺️

IP Location Finder

Detailed IP geolocation lookup with country, region, city, ISP, ASN, timezone and an interactive map.

72 days ago

🟢

Website Status Checker

Bulk-check up to 25 websites at once for HTTP status, response time, redirects and SSL validity.

72 days ago

⬇️

Image & Video Downloader

Download any direct image or video URL with preview, no watermark, and a local download history.

72 days ago

📋

WHOIS Checker

Free WHOIS domain lookup via RDAP — registrar, registration/expiry dates, nameservers and DNSSEC status.

72 days ago

📐

Scientific Calculator

Scientific calculator with trigonometry, logarithms, exponents, roots and factorial. Degree/radian mode, memory and calculation history.

72 days ago

🧮

Advanced Calculator

Full-featured online calculator with parentheses, percentages, memory (M+/M-/MR/MC) and calculation history. Correct order of operations every time.

72 days ago

😂

Meme Creator

Upload any image, add draggable Impact-style captions with custom colors, and download as PNG with no watermark.

72 days ago

📡

What Is My IP

Instantly find your public IP address, approximate location, ISP, browser, operating system and connection details.

72 days ago

🌐

DNS Propagation Checker

Check whether your DNS changes have propagated worldwide across Google, Cloudflare, Quad9 and AdGuard DNS resolvers.

72 days ago

🥄

Cooking Measurement Converter

Convert between cups, grams, ml, oz and tablespoons for 50+ common cooking ingredients.

73 days ago

🍳

Recipe Scaler

Scale any recipe up or down for any number of servings with ingredient unit conversion.

73 days ago

🏗️

Concrete Mix Calculator

Calculate cement bags, sand and aggregate for M10/M15/M20/M25 concrete mix.

73 days ago

🥇

Gold & Silver Rate Calculator

Calculate gold and silver value by weight and purity (24K/22K/18K) with making charges.

73 days ago

🍺

Blood Alcohol Calculator

Calculate BAC level from drinks, weight and time. Safe-to-drive countdown for India limit.

73 days ago

🏡

Rent vs Buy Calculator

Compare 20-year total cost of renting vs buying a home in India.

73 days ago

📱

Mobile Data Usage Calculator

Estimate monthly mobile data usage based on daily YouTube, Instagram and streaming habits.

73 days ago

🔧

Tyre Pressure Calculator

Find correct tyre pressure for your vehicle type. PSI/Bar converter with over/under inflation check.

73 days ago

⚡

Wire & Cable Size Calculator

Find correct electrical wire gauge for any load with voltage drop per IS 732.

New 73 days ago

🏖️

Retirement Calculator

Calculate retirement corpus needed in India with monthly SIP required and SWP planning.

73 days ago

🏠

Tile & Flooring Calculator

Calculate tiles needed, boxes to buy and total cost for any room with grout gap and wastage percentage

New 73 days ago

🌍

Carbon Footprint Calculator

Calculate personal CO2 emissions from transport, energy, diet and lifestyle.

73 days ago

🗺️

Travel Time Estimator

Calculate travel time for road trips with stops. Departure planner and arrival time estimator.

73 days ago

🎨

Paint Calculator

Calculate litres of paint needed for any room with door and window deductions, coats, primer and cost estimate

New 73 days ago

☀️

Solar Panel Calculator

Calculate recommended solar system size with payback period and 25-year savings projection.

73 days ago

🚗

Fuel Cost Calculator

Calculate exact fuel cost for any road trip. Compare petrol, diesel and CNG costs.

73 days ago

💰

Household Budget Planner

Monthly family budget calculator with income, expenses, savings rate and recommendations.

73 days ago

⚡

Electricity Appliance Calculator

Calculate electricity cost per appliance with monthly bill breakdown by device.

73 days ago

⛽

Mileage Calculator

Calculate vehicle fuel efficiency in km/litre, L/100km and miles/gallon with cost per km.

73 days ago

🛒

Grocery Budget Planner

Plan grocery shopping budget with running total, tax and per-person split.

73 days ago

🏏

Cricket Batting Stats

Calculate batting average, strike rate, centuries, ducks and consistency score

New 77 days ago

🌧️

DLS Par Score Calculator

Calculate DLS revised target and par score for rain-interrupted cricket matches

New 77 days ago

📡

Match Target Tracker

Track cricket run chases over-by-over with live RRR, projected score and trend chart

New 77 days ago

📊

Net Run Rate Calculator

Calculate NRR for cricket tournaments — see what you need in the next match

New 77 days ago

🏆

Points Table Simulator

Simulate cricket group stage points table with NRR and qualification zones

New 77 days ago

🏏

Required Run Rate Calculator

Calculate RRR, CRR, balls remaining and pressure meter for cricket run chases

New 77 days ago

🤝

Partnership Calculator

Calculate batting partnerships from wicket-fall scores with visual chart

New 77 days ago

💰

Cricket Auction Planner

IPL auction budget planner — add players by role, track purse and team balance

New 77 days ago

⭐

Fantasy Cricket Points

Calculate Dream11/My11Circle fantasy cricket points from batting, bowling and fielding

New 77 days ago

🎯

Cricket Bowling Stats

Calculate bowling economy, average, strike rate, dot ball % and quality score

New 77 days ago

🚴

Cycling Power Zones

FTP-based cycling training zones using Coggan model — Z1 to Z7 with watts and W/kg

New 77 days ago

💦

Sweat Rate Calculator

Calculate sweat rate from pre/post workout weight — fluid loss and hydration plan for athletes

New 77 days ago

🏆

Tournament Bracket Generator

Generate single-elimination brackets for 4–32 teams — click winners to advance

New 77 days ago

🏋️

1RM Calculator

One rep max using 7 formulas: Epley, Brzycki, Lander, Lombardi, Mayhew, O'Conner, Wathan

New 77 days ago

🫁

VO2 Max Estimator

Estimate aerobic capacity from 1.5-mile run time or resting heart rate — 3 methods

New 77 days ago

⏳

Fitness Age Calculator

Calculate your biological fitness age from VO2 max, resting HR, BMI and activity level

New 77 days ago

🏃

Running Pace Calculator

Convert between pace (min/km), speed (km/h), distance and finish time — 4 modes

New 77 days ago

🏅

Race Finish Time Predictor

Predict 10K, half marathon and marathon times from any known race using Riegel formula

New 77 days ago

🥩

Protein for Athletes

Sport-specific daily protein targets based on weight, training intensity and goal

New 77 days ago

🎰

Sports Betting Odds Converter

Convert between fractional, decimal, American odds and implied probability — with payout calc

New 77 days ago

🩺

Blood Pressure Checker

Check BP reading against AHA 2024 guidelines — instant classification and recommendations

New 77 days ago

🤰

Pregnancy Due Date

Calculate due date from LMP or conception — week-by-week timeline and milestones

New 77 days ago

🥗

Macronutrient Calculator

Daily protein, carbohydrates and fat targets based on TDEE and fitness goal

New 77 days ago

😴

Sleep Calculator

Best bedtime and wake-up times based on 90-minute sleep cycles

New 77 days ago

❤️

Heart Rate Zone Calculator

Calculate 5 heart rate training zones using the Karvonen formula

New 77 days ago

💧

Water Intake Calculator

Daily water requirement based on weight, activity level and climate

New 77 days ago

💪

Body Fat Calculator

Estimate body fat % using the accurate US Navy method — neck, waist, hip measurements

New 77 days ago

🌸

Ovulation Calculator

Calculate ovulation date, fertile window and next period with 3-month cycle calendar

New 77 days ago

⚖️

Ideal Body Weight Calculator

Calculate ideal weight using 4 medical formulas: Devine, Robinson, Miller & Hamwi

New 77 days ago

🔥

Calorie Burn Calculator

Calories burned during 30+ activities using MET values — walking, running, cycling, yoga

New 77 days ago

⚡

TNEB EB Bill Calculator

Calculate your Tamil Nadu EB electricity bill for all categories — Domestic, Commercial, Industrial, Agricultural

New 77 days ago

🔐

Account Manager

Secure AES-256 encrypted password vault — store, organise and generate credentials locally

New 78 days ago

🎞️

GIF Compressor

Compress animated GIFs by reducing frames and resolution in your browser

New 78 days ago

🖼️

Image Border & Frame

Add solid, dashed, gradient or shadow borders and frames to any image

New 78 days ago

💬

CSS Text Shadow Generator

Visual CSS text-shadow builder with multiple layers and live preview

New 78 days ago

🎨

Image Color Extractor

Extract dominant color palette from any image as HEX and RGB swatches

New 78 days ago

📃

PDF to Text

Extract clean plain text from any PDF — runs entirely in your browser

New 78 days ago

⊡

Aspect Ratio Calculator

Lock aspect ratio and calculate missing dimensions for images and video

New 78 days ago

⊞

CSS Grid Generator

Define CSS Grid columns and rows visually — set fr, px, % and gaps

New 79 days ago

⬛

CSS Border Radius Generator

Visually generate CSS border-radius with independent corner controls

New 79 days ago

🎨

Color Contrast Checker

Check WCAG AA/AAA accessibility contrast ratio for any two colors

New 79 days ago

🔄

Reverse Text

Reverse text by character, word, sentence or line — including mirror mode

New 79 days ago

🔁

Text Repeater

Repeat any text N times with a custom separator — newline, comma, or custom

New 79 days ago

🔏

Text Cipher / ROT13

Encode and decode with ROT13, Caesar cipher, Atbash and Base64

New 79 days ago

🔑

Chmod Calculator

Calculate Linux file permissions — toggle checkboxes or enter octal value

New 79 days ago

🧹

HTML to Plain Text

Strip all HTML tags and get clean readable plain text

New 79 days ago

📏

Pixel to REM Converter

Convert px to rem, em, vh and vw CSS units with a reference size table

New 79 days ago

📊

Word Frequency Counter

Count how often each word appears — great for keyword analysis and SEO

New 79 days ago

📋

Markdown Table Generator

Build Markdown tables by clicking and typing — no pipe characters needed

New 79 days ago

🔥

Calorie & BMR Calculator

Calculate daily calorie needs and BMR using the Mifflin-St Jeor formula

New 79 days ago

📅

Date Calculator

Find exact days between two dates or add/subtract time from any date

New 79 days ago

⚖️

BMI Calculator

Calculate Body Mass Index, weight category and healthy weight range

New 79 days ago

🔐

TOTP / 2FA Generator

Generate 6-digit authenticator codes offline — secret never leaves browser

New 79 days ago

🍽️

Tip & Bill Splitter

Calculate tip amount and split the total bill evenly among people

New 79 days ago