Tools that run on your device

HTML to JSX Converter: React Ready

Convert HTML to JSX instantly for React. Converts class, for, and inline event handlers. Free, fast, and private, in your browser.

JSON Path Finder: Locate Keys and Values

Find JSON paths by key or value, or list every path in your JSON. Free, fast, and private, all in your browser.

Text to ASCII Art

Turn text into ASCII art for terminal banners, code comments or social posts. Block and banner fonts. Free, fast, and private.

Text Readability Score Flesch Reading Ease

Measure text readability online free with Flesch Reading Ease and Flesch-Kincaid Grade Level scores. Fast, private, runs in your browser.

Word Counter

Free online word counter. Count words, characters, sentences and paragraphs instantly. Get reading & speaking time - 100% private, runs in your browser.

Word Frequency Counter: Count Word Occurrences

Count how often each word or character appears in your text. Free, fast, and private, all processing in your browser.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to readable text online. Unicode-safe, free and private, your data never leaves your browser.

Binary Encoder / Decoder

Convert text to binary or binary back to text. Free, fast, and private, all processing in your browser.

URL Encoder / Decoder

Encode text for URLs or decode percent-encoded URLs online. Free, fast and private, your data never leaves your browser.

Case Converter

Convert text case online free: UPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case & kebab-case. Instant, private, in-browser.

UUID Generator

Generate random UUID v4 identifiers online. Free, fast and private, runs entirely in your browser.

Password Generator

Generate strong, random passwords online with Web Crypto. Choose length and character sets, free, fast and private.

Password Strength Checker: Analyze Password Security

Check how strong your password is, score, entropy, and estimated crack time. Free, private, all in your browser.

Timestamp Converter

Convert Unix timestamps to dates and back, online. Shows UTC, your timezone and ISO 8601, free, fast and private.

Hash Generator

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes online with Web Crypto. Free, fast and private.

Lorem Ipsum Generator

Generate placeholder text for designs and mockups. Pick paragraphs and words per paragraph, free, fast and private.

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal online. Free, fast and private.

Color Converter

Convert colors between HEX, RGB and HSL online. Live preview and one-click copy, free, fast and private.

Slug Generator

Turn any text into clean, URL-friendly slugs for posts, routes and filenames. Free, fast and private.

Caesar Cipher

Shift letters to encrypt or decrypt text with the classic Caesar cipher, including ROT13. Free, fast and private.

Morse Code Converter: Encode and Decode Morse

Convert text to Morse code or decode Morse back to text. Free, fast, and private, all in your browser.

Roman Numeral Converter

Convert between decimal numbers and Roman numerals (1 to 3999), with strict standard-form validation. Free, fast and private.

HTML Entity Encoder / Decoder

Escape text into HTML entities or unescape them back, including numeric and named entities. Free, fast and private.

JWT Decoder

Decode the header and payload of any JWT (JSON Web Token) to readable JSON, with signature shown. Free, fast and private.

Card Number Validator

Validate card numbers with the Luhn check and detect the brand, RuPay, Visa, Mastercard, Amex, Discover, JCB and more. Free, fast and private.

Random Number Generator

Generate random numbers in any range instantly. True randomness via Web Crypto, optional unique values. Free, private, runs in your browser.

Regex Tester

Test JavaScript regular expressions live: see every match highlighted in your text with indices and capture groups. Free, fast and private.

Regex Generator: Build and Test Patterns

Generate literal regex from text and test patterns with flags. See matches and capture groups instantly. Free, fast, and private.

Diff Checker

Compare two texts side by side and see line-by-line differences highlighted. Instant, free and private, nothing leaves your browser.

QR Code Generator

Generate QR codes from any text or URL instantly, with adjustable size and error correction. Free, fast and private, generated locally in your browser.

Markdown Preview

Write markdown and see the rendered HTML live. GitHub-flavored markdown, tables, code blocks and more. Free, fast and private.

Markdown to HTML Converter: Instant Conversion

Convert Markdown to HTML instantly. Free, fast, and private, all processing in your browser.

JSON to CSV Converter

Convert JSON arrays of objects to CSV instantly, with proper quoting of commas, quotes and newlines. Free, fast and private, runs in your browser.

CSV ↔ JSON Converter

Convert CSV to JSON or JSON to CSV instantly. Free, fast, and private, all processing in your browser.

JSON Formatter

Format, minify and validate JSON online. Free, fast and private, your data never leaves your browser.

HTML to Text Converter

Strip HTML tags and extract clean plain text. Handles block elements, entities and script/style removal, free, fast and private, runs entirely in your browser.

Duplicate Line Remover

Remove duplicate lines from any text instantly. Options for case sensitivity and whitespace trimming, free, fast and private, runs entirely in your browser.

EMI Calculator

Calculate monthly EMI, total payment and total interest for any loan. Fixed-rate formula, Indian number formatting, free, fast and private, runs entirely in your browser.

Simple Interest Calculator

Calculate simple interest and total amount instantly. Enter principal, rate and time, free, fast and private, runs entirely in your browser.

Compound Interest Calculator

Calculate compound interest and total returns with yearly, half-yearly, quarterly, monthly or daily compounding, free, fast and private, runs entirely in your browser.

Flat Rate Loan Calculator

Calculate flat-rate loan EMI, total payment and interest. Understand how flat rates compare to reducing-balance loans, free, fast and private, runs entirely in your browser.

SIP Calculator

Calculate SIP returns for mutual fund investments. See future value, total invested and wealth gained with monthly compounding, free, fast and private, runs entirely in your browser.

Income Tax Calculator: FY 2025-26

Calculate Indian income tax under new and old regimes. Shows slab-by-slab breakdown with surcharge and cess.

Salary Calculator: CTC to In-Hand (FY 2025-26)

Convert your CTC into monthly take-home salary. Includes PF, professional tax and income tax under the new and old regimes for FY 2025-26.

Gratuity Calculator India: Private and Government Formula

Calculate gratuity payable in India under the Payment of Gratuity Act, 1972. Handles covered and non-covered employers, 5-year eligibility and tax exemption notes. Free and private.

Loan Eligibility Calculator: Based on 50% FOIR

Find the loan amount you qualify for using the 50% FOIR norm. Enter income, existing EMIs, rate and tenure to see your maximum loan.

Home Loan EMI Calculator

Calculate home loan EMI, total interest and payment with a year-wise amortization schedule. Enter loan amount, rate and tenure in years.

Car Loan EMI Calculator

Calculate car loan EMI, total interest and payment with a month-wise amortization schedule. Enter loan amount, rate and tenure in months.

Personal Loan EMI Calculator

Calculate personal loan EMI, total payment and total interest. Enter loan amount, rate and tenure in months for instant results.

ROI Calculator: Total and Annualized

Calculate ROI on any investment. Enter initial investment, final value and duration to see absolute return, total ROI and annualized CAGR.

Break-Even Calculator

Calculate break-even units and revenue from fixed costs, selling price and variable cost per unit. See contribution margin and when you start profiting.

Profit Margin Calculator: Margin and Markup

Calculate gross profit, profit margin and markup from cost price and selling price. See how margin and markup differ.

Savings Calculator: PPF, RD, FD

Calculate PPF, Recurring Deposit, and Fixed Deposit maturity with year-by-year breakdown. Free, fast, private.

CIDR Calculator: IPv4 Network Details

Calculate IPv4 network address, broadcast, usable host range, and subnet mask from CIDR notation.

Tip Calculator

Calculate tip amount, total bill and per-person splits for any group size. Free, fast and private, runs entirely in your browser, no data leaves your device.

Image Compressor

Compress JPG and PNG images right in your browser. Reduce file size by up to 90% with a quality slider, free, fast and private, your images never leave your device.

Image Crop, Flip and Rotate: In Browser

Crop, flip and rotate images directly in your browser. No upload needed, your image never leaves your device. Free and fast.

Image Metadata Viewer and Editor: EXIF Data

View and edit image metadata including EXIF camera settings and GPS data, or strip categories before sharing. All processing happens in your browser, nothing is uploaded.

Color Picker from Image

Pick colors from any image and extract a palette of dominant colors. Click to get hex, HSL and RGB. All processing in your browser.

CSS Gradient Generator: Linear, Radial, Conic

Design linear, radial and conic CSS gradients with a live preview. Pick from presets or generate random palettes. Free and fast.

Color Palette from CSS: Extract All Colors

Extract every color from your CSS or HTML, hex, rgb, hsl and named colors, normalized with usage counts. Free, fast, and private.

Invoice Number Generator: Sequential Receipt Numbers

Generate sequential invoice or receipt numbers with prefixes, dates and zero-padded counters. Free, fast, and private.

ISBN and ISSN Validator: Check Checksums

Validate ISBN-10, ISBN-13 and ISSN identifiers with checksum verification. Free, fast, and private.

Aadhaar Number Validator: Verhoeff Checksum

Validate Indian Aadhaar numbers with the Verhoeff checksum algorithm. Free, fast, private, runs entirely in your browser.

PAN Validator

Validate PAN card format instantly. Checks structure, assessee type code and surname initial. Works for individual, company, HUF, trust and other PANs.

Vehicle RC Number Validator

Validate Indian vehicle registration (RC) numbers. Checks state code, RTO code and series format. Works for regular and BH series numbers.

Stamp Duty Calculator

Calculate Indian stamp duty and registration charges for buying property. State-wise rates updated for all major states and union territories.

Property Registration Calculator

Calculate property registration charges and stamp duty for buying real estate in India. State-wise registration fee rates for all major states.

Capital Gains Calculator

Calculate short-term and long-term capital gains tax on shares, equity funds and property in India. Includes the ₹1 lakh exemption and CII indexation.

TDS Calculator

Calculate TDS deductions for common Indian sections, salary, interest, rent, professional fees and more. Shows the 20% rate for missing PAN.

HSN Code Finder

Search for HSN codes used in GST. Find the code by number or product description. Covers the most commonly used codes in India.

Wedding Budget Calculator

Plan your wedding budget with a suggested allocation across venue, catering, photography and more. Works for Indian wedding budgets.

Travel Budget Calculator

Plan your trip budget by category, accommodation, transport, food, activities, shopping and more. See per-day spending for your next holiday.

Sunrise and Sunset Time for Indian Cities

Find the exact sunrise and sunset time for any Indian city on any date. Works for all 32 major Indian cities in IST.

Moon Phase Calculator

See the current moon phase, emoji, illumination percentage and age in days. Works for any date, past, present or future.

Muhurat Finder: Hindu Auspicious Tithi

Find the Hindu tithi (lunar day) for any date. See the paksha, tithi name and whether it is auspicious for new beginnings.

Daily Horoscope by Zodiac Sign

Read your daily horoscope for any zodiac sign. See your lucky number, lucky color and a message for today.

Random Quote Generator

Get a random inspirational quote from famous authors. Filter by category, motivation, wisdom, creativity and life.

Meme Generator: Create Your Own Memes

Create custom memes with your own images or templates. Add top and bottom text, choose from 10 styles, and download as PNG.

IFSC Code Validator: Bank Branch Lookup

Validate Indian IFSC codes with bank name lookup. Free, fast, private, runs entirely in your browser.

IFSC Code Finder

Find the IFSC code for any bank branch in India by selecting your bank and searching the branch name. RBI data, updated monthly, free, fast and private, runs entirely in your browser.

Image Format Converter

Convert images between PNG, JPEG and WebP formats. Quality slider for lossy formats. Everything runs in your browser.

PDF to Text

Extract text from PDF files right in your browser with PDF.js. Copy plain text from any PDF, free, fast and private, your document never leaves your device.

Percentage Calculator

Calculate X% of Y, what percentage one number is of another, and percentage change between two values. Free, fast and private, runs entirely in your browser.

Discount Calculator

Calculate how much you save with a percentage discount and the final price you pay. Free, fast and private, runs entirely in your browser.

Age Calculator

Find your exact age in years, months and days, your total days alive and days until your next birthday. Free, fast and private, runs entirely in your browser.

Date Difference Calculator

Calculate the difference between two dates in years, months and days, plus the total number of days. Free, fast and private, runs entirely in your browser.

Days From Today Calculator

Calculate the date a number of days, weeks, months or years from today. Type today+100days or today-5days, free, fast and runs entirely in your browser.

BMI Calculator

Calculate your Body Mass Index instantly from height and weight in metric or imperial units. Includes the healthy weight range for your height. Free and private, runs entirely in your browser.

TDEE Calculator

Calculate your Total Daily Energy Expenditure (TDEE), BMR and daily protein, carb and fat targets with the Mifflin-St Jeor equation. Free and private, runs in your browser.

Calorie Calculator

Find your daily calorie target for weight loss, maintenance or gain with the Mifflin-St Jeor equation, plus a macro split and a realistic weight timeline. Free and private, runs in your browser.

GST Calculator

Calculate GST quickly in India, add or remove GST at 0%, 5%, 12%, 18% or 28% and see the CGST/SGST split. Free and private, runs entirely in your browser.

Palindrome Checker

Check if a word, phrase or number is a palindrome, it reads the same forwards and backwards. Free, instant and private, runs entirely in your browser.

Unit Converter

Convert between units of length, weight, temperature, area, volume and data storage. Free, instant and private, runs entirely in your browser.

JPG to PDF

Convert JPG, PNG or any image file to PDF in your browser. Reorder pages, choose page size and margin, then download. Free and private, images never leave your device.

PDF Merger

Combine multiple PDF files into one in your browser. Reorder the files and merge them into a single PDF. Free and private, files never leave your device.

PDF Splitter

Split a PDF into smaller files by selecting the pages you need. Choose individual pages or ranges, everything happens in your browser.

Image to Text

Extract text from images and scanned documents with OCR, right in your browser. Free and private, your images are never uploaded.

QR Code Scanner

Scan QR codes from images and screenshots in your browser. Decode the content instantly, free, private and no uploads.

Currency Converter

Convert between 30+ world currencies with live exchange rates from the European Central Bank. Free, fast and no signup required.

SVG to Extension Icons

Convert an SVG icon to all required sizes for Chrome, Firefox and Edge browser extensions. Download as a ZIP.

SVG to Favicon

Generate favicon.ico, apple-touch-icon, and all Android sizes from an SVG.

Text Repeater

Repeat any text a set number of times with an optional separator. Instant, client-side.

Whitespace Remover

Remove extra spaces, newlines, and whitespace from text instantly.

String Reverser

Reverse characters, words, lines, or flip text upside down.

Text to Handwriting

Convert typed text to handwriting using Google Fonts. Download as PNG or SVG.

Image Resizer

Resize images by exact dimensions or percentage. Download as PNG, JPEG or WebP.

PDF to Images

Render each page of a PDF as a PNG or JPEG image. Select pages and download.

PDF Encrypt

Encrypt any PDF with a password. The file stays in your browser.

Color Palette Generator

Upload an image and extract its dominant color palette as hex and RGB values.

JSON to TypeScript

Paste a JSON object and get a TypeScript interface with inferred types.

JSON to YAML Converter: Convert Between JSON and YAML

Convert JSON to YAML or YAML to JSON instantly. Free, fast, and private, all processing in your browser.

CSS, JS & HTML Minifier: Compress Code

Minify CSS, JavaScript, and HTML by removing comments and whitespace. Free, fast, and private, all in your browser.

Cron Expression Parser

Enter a cron expression and see the next 10 run times. Includes presets and human-readable descriptions.

Timezone Converter: Convert Time Between Zones

Convert time between IANA timezones. Supports 20+ common timezones with offset display.

File Size Converter: Bytes, KB, MB, GB, TB

Convert file sizes between bytes, KB, MB, GB, TB, and PB using binary (1024-based) conversion.

HTTP Status Codes: Reference Guide

Complete reference of HTTP status codes with descriptions and categories.

Random Name Generator: Indian & Western Names

Generate random Indian and Western names for testing, demos, and placeholder data.

SQL Formatter: Format SQL Queries

Format SQL queries with syntax highlighting and indentation. Supports MySQL, PostgreSQL, T-SQL, Oracle, and more.

Body Fat Calculator

Estimate your body fat percentage using the U.S. Navy method. Enter waist, neck and height measurements in metric or imperial units. Free and private, runs entirely in your browser.

Calculate your ideal body weight range using four proven formulas: Devine, Robinson, Hamwi, and Miller. Supports male/female, cm/ft-in, and frame size adjustment. Free and private, runs in your browser.

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor and Harris-Benedict equations. Free and private, runs in your browser.

Pregnancy Due Date Calculator

Calculate your due date, current week, trimester, and fetal development info from LMP or conception date. Free and private, runs in your browser.

Ovulation Calculator

Predict your fertile window and ovulation day from your last menstrual period and cycle length. Free and private, runs in your browser.

Blood Sugar Converter: Glucose Level mg/dL to mmol/L

Convert blood glucose levels between mg/dL and mmol/L with a normal range indicator. Free and private, runs in your browser.

Water Intake Calculator

Calculate your daily water needs based on weight, activity level and climate, in liters and glasses. Free and private, runs in your browser.

Sleep Calculator

Find the ideal bedtime or wake time based on 90-minute sleep cycles. Free and private, runs in your browser.

Heart Rate Zones Calculator

Calculate your 5 target heart rate zones (warm-up, fat burn, cardio, peak, max) from age and resting heart rate. Free and private, runs in your browser.

WHR Calculator: Waist-Hip Ratio

Calculate your waist-to-hip ratio (WHR) and health risk category (low, moderate, high) with WHO cutoffs. Free and private, runs in your browser.

Lean Body Mass Calculator

Estimate your lean body mass with the Boer and James formulas from gender, weight and height. Free and private, runs in your browser.

Child Growth Percentile Calculator

Find your child's weight, height, and head circumference percentiles using the WHO Child Growth Standards. Free and private, runs in your browser.

Vaccination Schedule Calculator

Get your child's vaccination schedule with due dates, IAP (full) and UIP (government) India schedules. Free and private, runs in your browser.

Scientific Calculator

Free online scientific calculator, sin, cos, tan, log, ln, square root, powers, factorials, π and e. Degrees or radians. Free and private, runs in your browser.

GPA Calculator

Free online GPA calculator, semester GPA (SGPA) and cumulative GPA (CGPA) on both 10-point and 4-point scales, weighted by credit hours. Grades A+ to F. Free and private, runs in your browser.

Grade Calculator

Free online grade calculator, find the grade you need on the final exam or remaining assignments to reach your target. Weighted categories like homework, midterm and final. Free and private, runs in your browser.

Statistics Calculator

Free online statistics calculator, mean, median, mode, range, variance and standard deviation (population and sample) for any list of numbers. Free and private, runs in your browser.

Standard Deviation Calculator

Free online standard deviation calculator, population and sample standard deviation, variance and mean for any list of numbers. Free and private, runs in your browser.

Z-Score Calculator

Free online z-score calculator, z-score from a raw score, population mean and standard deviation, with percentile rank and probabilities. Free and private, runs in your browser.

Confidence Interval Calculator

Free online confidence interval calculator, margin of error, lower and upper bounds for the mean at 90%, 95% and 99% confidence, using the t-distribution. Free and private, runs in your browser.

Sample Size Calculator

Free online sample size calculator, required survey sample size from population size, confidence level and margin of error, with the finite population correction. Free and private, runs in your browser.

Matrix Calculator

Free online matrix calculator, add, subtract, multiply matrices and compute the determinant, inverse and transpose. Configurable rows and columns. Free and private, runs in your browser.

Vector Calculator

Free online vector calculator, add, subtract vectors and compute the dot product, cross product and magnitude of 3D vectors, plus the angle between them. Free and private, runs in your browser.

Quadratic Formula Calculator

Free online quadratic formula calculator, solve ax² + bx + c = 0 and get real or complex roots, the discriminant, the vertex and the axis of symmetry. Free and private, runs in your browser.

Logarithm Calculator

Free online logarithm calculator, compute log base b of any positive number with any base, with the change of base formula shown step by step. Free and private, runs in your browser.

Color Contrast Checker

Free online WCAG contrast checker, enter two colors as hex or rgb and see the contrast ratio with AA and AAA pass or fail for normal and large text. Free and private, runs in your browser.

Color Name Lookup

Free online color name lookup, enter a hex code or RGB values and find the closest CSS color name, plus the color's hex, RGB and HSL values. Free and private, runs in your browser.

CSS Grid Generator

Free online CSS Grid generator, set rows, columns, gap and item placement, see a live preview, and copy the CSS and HTML code. Free and private, runs in your browser.

CSS Flexbox Generator

Free online CSS Flexbox generator, pick direction, justify, align, wrap and gap, see a live preview, and copy the CSS and HTML code. Free and private, runs in your browser.

Box Shadow Generator

Free online CSS box-shadow generator, set x offset, y offset, blur, spread, color and inset, see a live preview, and copy the CSS. Free and private, runs in your browser.

Text Shadow Generator

Free online CSS text-shadow generator, set x offset, y offset, blur and color, see a live preview, and copy the CSS. Free and private, runs in your browser.

Border Radius Generator

Free online CSS border-radius generator, set each corner individually or keep them linked, see a live preview, and copy the CSS. Free and private, runs in your browser.

SVG Path Editor

Free online SVG path editor, paste or edit path data, see it render live, and export as SVG or PNG. Free and private, runs in your browser.

SVG Optimizer

Free online SVG optimizer, paste SVG code or upload a file, strip comments and redundant bytes, and see the file size reduction. Free and private, runs in your browser.

Image Background Remover

Free online background remover for PNG and JPG images, remove the background with one click, or replace it with a solid color or gradient. 100% free and private, runs in your browser.