✨ What's New at ZeeSharp

📃

Resume Builder

Build an ATS-friendly CV and download it as a PDF.

New 44 days ago

⌨️

Typing Speed Test

Measure your typing speed in WPM with live accuracy.

New 44 days ago

🔗

Broken Link Checker

Scan any page for dead links and get every status code.

New 44 days ago

🔐

One-Time Secret

Share a password via a link that self-destructs after reading.

New 44 days ago

🔒

SSL Certificate Checker

Check any site certificate, expiry date and covered domains.

New 44 days ago

📊

Barcode Generator

Create EAN, UPC, Code 128 and Code 39 barcodes.

New 44 days ago

🧾

Income Tax Calculator

Compare income tax under the old and new regime.

New 44 days ago

🔠

OCR – Image & PDF to Text

Extract editable text from images and scanned PDF files.

New 44 days ago

🎬

Video Converter & Compressor

Compress video, trim clips, make GIFs and extract audio.

New 44 days ago

🧮

CSV Toolkit

Merge, split, deduplicate and clean CSV files.

New 44 days ago

🧮

Fraction Calculator

Add, subtract, multiply and divide fractions with working, plus simplifying and decimal conversion.

New 44 days ago

📍

Coordinate Geometry Calculator

Find distance, midpoint, slope and line equations between points, or triangle properties from vertices.

New 44 days ago

🧊

Volume and Surface Area Calculator

Calculate volume and surface area for ten solids including spheres, cylinders, cones and torus.

New 44 days ago

🔷

Area and Perimeter Calculator

Calculate area and perimeter for ten plane shapes with formulas and a scale diagram.

New 44 days ago

📊

Function Grapher

Plot multiple functions on one interactive graph with zoom, pan, trace, roots and intersections.

New 44 days ago

🎯

Limit Calculator

Evaluate one-sided and two-sided limits, limits at infinity and indeterminate forms with L'Hopital's rule.

New 44 days ago

➗

Integral Calculator

Find antiderivatives symbolically and evaluate definite integrals with the area under the curve shown.

New 44 days ago

🎲

Permutation and Combination Calculator

Calculate nPr and nCr with or without repetition, plus factorials and Pascal's triangle.

New 44 days ago

📐

Derivative Calculator

Differentiate any function symbolically with step-by-step rules, higher-order derivatives and a graph.

New 44 days ago

🔢

Logarithm Calculator

Calculate logarithms to any base, natural logs, antilogs and exponents with change-of-base working.

New 44 days ago

🧪

Dilution Calculator

Solve C1V1=C2V2 and plan serial dilutions.

New 44 days ago

⚗️

Molarity Calculator

Calculate molarity for laboratory stock solutions.

New 44 days ago

🧪

Protein MW and pI Calculator

Calculate protein molecular weight, pI and composition.

New 44 days ago

🧫

DNA to Protein Translator

Translate DNA in six reading frames and find ORFs.

New 44 days ago

🧫

OD600 Cell Density Calculator

Estimate cell density from OD600 and plan dilutions.

New 44 days ago

🧬

DNA Sequence Analyzer

Analyze DNA sequence, GC content, composition and complements.

New 44 days ago

📈

Cell Doubling Time Calculator

Calculate cell growth rate and doubling time.

New 44 days ago

✂️

Restriction Enzyme Site Finder

Find common restriction enzyme sites in DNA.

New 44 days ago

🌀

RPM to RCF Converter

Convert centrifuge RPM and RCF.

New 44 days ago

🔬

Primer Tm Calculator

Estimate primer melting temperature and GC content.

New 44 days ago

🚰

Pipe Flow & Pressure Drop Calculator

Calculate pipe velocity, Reynolds number, friction factor, head loss and pressure drop.

New 45 days ago

🔗

Belt and Pulley Calculator

Calculate driven pulley RPM, speed ratio, belt length, belt speed and wrap angle.

New 45 days ago

🔩

Bolt Torque Calculator

Find tightening torque and clamp load for metric bolts by size, property class and lubrication.

New 45 days ago

⚙️

Gear Ratio Calculator

Calculate gear ratio, output RPM and output torque for single or multi-stage gear trains.

New 45 days ago

🔧

Speeds and Feeds Calculator

Calculate spindle RPM, feed rate and material removal rate for milling, turning and drilling.

New 45 days ago

📉

Beam Deflection Calculator

Calculate maximum deflection, bending moment, shear and stress for simply supported and cantilever beams.

New 45 days ago

🛢️

Hydraulic Cylinder Calculator

Calculate hydraulic cylinder push and pull force, extend and retract speed, and required flow rate.

New 45 days ago

⚖️

Metal Weight Calculator

Calculate the weight of round bar, plate, sheet, pipe, angle and hex bar in steel, aluminium, brass and more.

New 45 days ago

🌡️

Spring Rate Calculator

Calculate spring rate, deflection, solid height and shear stress of a helical compression spring.

New 45 days ago

🌀

Shaft Torsion Calculator

Calculate torsional shear stress, angle of twist and minimum safe shaft diameter under torque.

New 45 days ago

📻

NATO Phonetic Alphabet Translator

Convert text into the NATO phonetic alphabet (Alpha, Bravo, Charlie) and back, with a full reference chart.

New 45 days ago

🔢

Text to Binary Converter

Convert text to binary, hexadecimal, octal or decimal — and decode it back again.

New 45 days ago

📚

Citation Generator

Generate APA 7, MLA 9 and Chicago citations for websites, books, journal articles and videos.

New 45 days ago

✨

Fancy Text Generator

Turn plain text into stylish Unicode fonts — bold, italic, script, bubble and more, ready to copy.

New 45 days ago

🎨

ASCII Art Text Generator

Turn text into big ASCII banners for READMEs, terminals, code comments and CLI output.

New 45 days ago

👓

Bionic Reading Converter

Bold the opening letters of every word to help you skim and read faster. Adjustable intensity.

New 45 days ago

☁️

Word Cloud Generator

Paste text and generate a word cloud sized by frequency. Pick colours and download as PNG.

New 45 days ago

🎵

Syllable Counter

Count syllables per word and per line — built for haiku, poetry, lyrics and song writing.

New 45 days ago

🔤

Anagram Generator

Enter letters and find every word that can be made from them — great for word games and crosswords.

New 45 days ago

🔄

Palindrome Checker

Check whether a word, phrase, sentence or number is a palindrome, with the mismatch highlighted.

New 45 days ago

🔋

Capacitor Series/Parallel Calculator

Calculate total equivalent capacitance for capacitors in series or parallel, in pF, nF, µF or F.

New 45 days ago

🏷️

Schema Markup Validator

Paste JSON-LD structured data and check it for syntax errors and missing required schema.org fields.

New 45 days ago

👁️

Color Blindness Simulator

Upload an image and preview how it looks to people with protanopia, deuteranopia, tritanopia or achromatopsia.

New 45 days ago

🔐

AES Text Encryptor

Encrypt or decrypt text with a password using AES-256-GCM, entirely in your browser.

New 45 days ago

📏

Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio and see your health risk category based on WHO guidelines.

New 45 days ago

🖼️

Photo Collage Maker

Combine up to 6 photos into a single collage with adjustable layouts, spacing and background color.

New 45 days ago

💰

Net Worth Calculator

Add up your assets and liabilities to calculate your total net worth, privately in your browser.

New 45 days ago

🔤

Number to Words Converter

Convert numbers into written English words, supporting international and Indian numbering systems.

New 45 days ago

📈

Inflation Calculator

Estimate how inflation changes the value of money over time, with adjustable rate presets.

New 45 days ago

📉

Debt Payoff Calculator

Compare Snowball vs Avalanche strategies to pay off multiple debts faster and save on interest.

New 45 days ago