All Tools

Calculate your semester or cumulative GPA

Calculate your current class grade

Find what you need on the final exam

Calculate your test grade instantly

Plan your study schedule before exams

Estimate how long it will take to read a text

Calculate your typing speed and accuracy

Instantly generate APA, MLA, or Chicago citations

Convert text into study flashcards

Structure your paper logically

Calculate Return On Ad Spend

Calculate Click Through Rate

Calculate Cost Per Click

Calculate Cost Per Thousand Impressions

Calculate Cost Per Acquisition

Calculate website conversion rate

Generate professional email subject ideas

Generate targeted social media hashtags

Calculate your Body Mass Index instantly

Estimate daily caloric requirements for weight goals

Calculate daily hydration requirements

Calculate your Basal Metabolic Rate

Estimate your body fat percentage

Estimate healthy weight ranges

Estimate your monthly mortgage payments

Visualize investment growth over time

Calculate Return on Investment percentage

Calculate sale prices and savings

Calculate monthly loan payments

Estimate future savings account balance

Calculate tip amount and split bills

Convert salaries across multiple periods

Calculate percentage value instantly

Compute mean, median, and mode metrics

Calculate sample and population deviation

Add, subtract, multiply, and divide fractions

Calculate base raised to exponent power

Calculate square root value

Calculate logarithm to custom bases

Calculate event probability rates

Format, beautify, and validate JSON data

Convert text to and from Base64 format

Encode or decode percent-escaped URL strings

Calculate MD5, SHA-1, and SHA-256 digests

Generate random RFC4122 Version 4 UUIDs

Generate dummy placeholder text

Encode characters to HTML entities or decode them

Compile markdown syntax into clean HTML

Convert length and distance measurements

Convert weight and mass measurements between metric and imperial systems

Convert Celsius, Fahrenheit, and Kelvin

Convert area and surface dimensions

Convert volume and liquid capacities

Convert time periods and durations

Convert speed and velocity units

Calculate exact age and timeline durations

Convert Bytes, KB, MB, GB, and TB

Convert Hex, Dec, Oct, and Bin bases

Estimate pregnancy timeline & gestational age

Estimate menstrual cycles and fertile windows

Determine deposits needed to reach savings targets

Calculate months to become debt-free

Estimate concrete volume and bags

Estimate wall paint quantity requirements

Estimate tiles and parquet flooring materials

Estimate roof areas and shingles bundles

Estimate rolls of wallpaper needed

Estimate bricks and mortar for masonry walls

Advanced mathematical calculations

Convert 150+ world currencies instantly

Create strong, secure passwords

Create custom vector QR codes instantly

Count words, characters, and reading time

Count characters for social media limits

Convert text between different cases

Create SEO-friendly URL slugs

Write and preview Markdown

Decode JSON Web Tokens

Test and debug JavaScript regular expressions live

Minify HTML code for production or format it cleanly

Convert images to Base64 data URIs and back

Compare two text snippets and highlight changes

Clean lists and deduplicate text lines

Generate random letters, numbers, words, and sentences

Generate placeholder text in HTML, Markdown, or plain text

Create production-ready HTML meta tags, Open Graph, and Twitter Cards

Preview how your page looks when shared on Facebook, Twitter, and LinkedIn

Build tracked URLs with Google Analytics UTM parameters

Combine multiple PDF documents into a single file

Separate or extract pages from a PDF document

Reduce PDF document size without losing quality

Convert images (JPG, PNG, WEBP) to PDF document

Rotate PDF pages 90°, 180°, or 270° degrees

Convert PDF documents to editable Microsoft Word (DOCX) files

Convert DOCX documents to production-ready PDF files

Extract PDF pages into JPG or PNG high-res images

Encrypt PDF files with user passwords and permission restrictions

Remove password security and encryption from PDF files

Compress JPG, PNG, WebP & AVIF images with quality controls

Resize image dimensions by pixels, percentage, or social media presets

Crop photos with aspect ratio presets (1:1, 16:9, Circle)

Convert transparent PNG images to JPG with background color picker

Convert JPG photos to lossless PNG image format

Convert JPG images to modern WebP format for faster web speed

Convert WebP images to universal JPG format

Rotate images 90°, 180°, 270° or mirror flip horizontally/vertically

Add text or logo watermarks to protect your photos

View EXIF data, camera settings, resolution, and GPS location

Visual color picker converting to HEX, RGB, HSL, HSV, CMYK & RGBA

Convert HEX ↔ RGB ↔ HSL ↔ HSV ↔ CMYK color codes instantly

Generate Linear, Radial & Conic CSS gradients with color stops

Generate custom CSS box shadows with live component preview

Generate uniform or individual corner rounded radii in CSS

Generate polygon, circle, ellipse & inset CSS clip-path shapes

Generate complete 50–950 shade color palettes for Tailwind CSS

Check foreground & background WCAG 2.1 AA / AAA contrast compliance

Design frosted glass UI components with CSS backdrop-filter blur

Design soft UI Neumorphic components with light & dark shadows

Add or subtract days, weeks, months & years to any date

Exact age in years, months, days, seconds & Zodiac signs

Calculate working days excluding weekends & holidays

Compare 500+ world time zones with DST support

Live animated countdown timer for events & target dates

High-precision millisecond stopwatch with lap tracking & CSV export

Convert Epoch timestamps to human dates, UTC & ISO 8601

Calculate daily, weekly & monthly net work hours & pay

Determine ISO 8601 week number, quarter & day of year

Visual Cron builder with human-readable schedule description

Format and beautify unorganized HTML code with syntax highlighting

Compress HTML markup by stripping whitespace & comments

Format messy CSS stylesheets into readable, indented blocks

Compress CSS stylesheet file size for fast website rendering

Beautify obfuscated or minified JavaScript source code

Minify JS code to improve page load speed & reduce bandwidth

Format XML feeds, sitemaps & documents with proper nesting

Validate XML syntax & well-formedness with line error reporting

Format complex SQL queries with keyword uppercasing

Compress SQL queries into a single compact line for code embeds

Visual builder for crawler rules, Disallow paths & Sitemap tags

Generate valid sitemap.xml files for Google Search Console

Inspect HTTP response headers, HSTS, CSP & security headers

Query A, AAAA, MX, TXT, NS, CNAME & SOA records for any domain

Check domain registrar, creation date & expiration status

Verify SSL/TLS certificate validity, issuer & expiration date

Test HTTP response status codes (200, 301, 404, 500) & redirects

Parse raw User Agent strings for Browser, OS & Device details

Geolocate IPv4 & IPv6 addresses to find Country, ISP & Timezone

Search 1000+ file extensions for standard MIME Content-Types

Generate structured, high-performing prompts for ChatGPT, Midjourney & Claude

Refine raw prompts with clear structure, constraints & output formats

Fix grammar, improve clarity & sharpen instructions in your prompts

Translate prompts into 50+ languages while preserving instructions

Draft professional, sales, support & follow-up emails instantly

Build SEO-friendly blog outlines with H2/H3 headings & FAQ sections

Generate catchy, high-CTR headlines for articles & blog posts

Create SERP-optimized meta descriptions with character counters

Generate structured FAQ lists with FAQPage JSON-LD preview

Create high-converting copy for Amazon, Shopify & WooCommerce

Generate click-worthy SEO titles for YouTube videos & Shorts

Draft SEO descriptions complete with timestamps & hashtags

Create professional LinkedIn posts with engaging call-to-action hooks

Draft engaging Instagram captions with curated emojis & hashtags

Generate punchy, viral Twitter/X tweets and multi-tweet threads

Paraphrase and rewrite text in Formal, Friendly or Professional tones

Condense long articles into key takeaways, bullet points or executive summaries

Check grammar, spelling, readability & vocabulary suggestions

Group keywords into topical SEO clusters & search intents

Generate creative brand names, startup ideas & domain suggestions

Build & export professional PDF invoices with multiple line items & taxes

Generate professional quotes & price estimates for client proposals

Calculate Value Added Tax (VAT) included or excluded instantly

Calculate total price with state & regional sales taxes

Calculate gross profit, profit margin %, and markup % from cost & revenue

Calculate retail selling price and profit from cost & target markup %

Find break-even sales volume & revenue from fixed & variable costs

Calculate sales commissions, performance bonuses & total earnings

Calculate net salary, tax deductions & total employer cost

Calculate monthly payments, total interest & loan amortization

Track monthly inflows & outflows with annual cash projections

Calculate inventory turnover ratio & Days Sales of Inventory (DSI)

Determine profitable retail pricing based on cost, margin & tax

Calculate months of runway remaining from cash balance & burn rate

Calculate customer LTV from average order value & retention span

Calculate CAC from total marketing spend & new customer count

Calculate gross profit and gross profit margin from COGS & revenue

Calculate bottom-line net profit after expenses, taxes & interest

Compute straight-line asset depreciation & salvage value schedules

Generate sequential, custom-formatted invoice numbers with date tags

Calculate floor & wall tiles, box counts, waste factor & estimated costs

Calculate tons & cubic yards of gravel for driveways, paths & drainage

Estimate cubic yards & 2 cu-ft bags of mulch for garden beds

Compute hot-mix asphalt weight in tons & cost for paving projects

Calculate fence posts, rails, pickets & panels for perimeter fencing

Estimate decking boards, joists, posts & total lumber costs

Compute 4x8 / 4x12 drywall sheets required accounting for room size

Calculate insulation rolls, batts & R-value requirements for walls & attics

Calculate stair rise, run, step count, stringer length & incline angle

Estimate solar panel quantity, roof area coverage & annual kWh output

Calculate swimming pool water volume in gallons & liters for any shape

Compute patio pavers, base gravel & sand bedding for walkways

Calculate tile square footage, edge trim & grout for backsplashes

Estimate drop ceiling tiles, main runners & suspension grid hardware

Estimate topsoil, sod rolls, rock & mulch for yard renovations

Calculate cubic feet, yards & bag counts of soil for garden beds

Calculate concrete volume (cu yards) & pre-mix 80lb bags for slabs

Compute dirt excavation volume, soil swell factor & truck loads

Estimate roofing squares, shingle bundles & underlayment by pitch

Calculate paint gallons needed for walls & ceilings minus openings

Calculate 1RM strength with Epley & Brzycki formulas + training percentages

Calculate daily Protein, Carbs & Fat grams based on your fitness goals

Calculate daily protein requirements for muscle growth & recovery

Compute Total Daily Energy Expenditure & BMR calories

Estimate lean muscle mass and fat mass using Boer formulas

Calculate Fat-Free Mass Index & natural muscle genetic potential

Compute Karvonen heart rate zones for Fat Burn, Aerobic & VO2 Max

Calculate running pace (min/km & min/mile), speed & race split times

Estimate aerobic capacity (VO2 Max) using Cooper 12-min run test

Calculate exercise energy expenditure across 50+ workout activities

Calculate calories burned walking based on speed & distance

Compute cycling calorie burn based on speed & workout duration

Calculate swim calories burned across Freestyle, Breaststroke & Butterfly

Calculate body fat % using official US Army Tape Test formulas

Calculate body fat % using official US Navy circumference equations

Determine ideal target body weight range based on height & WHO standards

Project monthly muscle growth potential & optimal calorie surplus

Calculate daily calorie deficit & target completion date for weight loss

Track 16:8, 18:6, 20:4 & OMAD fasting windows with live countdown timer

Calculate daily water intake targets based on weight, climate & exercise

Calculate total fuel cost for any trip distance

Calculate MPG, L/100km and km/L from distance and fuel used

Instantly convert between MPG, L/100km, and km/L

Estimate total trip cost including fuel and tolls

Calculate EV charging cost, time, and energy needed

Calculate monthly payments and amortization schedule

Calculate monthly lease payments from MSRP and residual value

Estimate your vehicle's current value based on age and mileage

Find out how much car you can afford based on your budget

Compare tire sizes and calculate diameter, circumference, and speed differences

Convert between PSI, Bar, and kPa tire pressure units

Calculate inner clearance and outer position changes for new wheels

Calculate vehicle speed from tire size, gear ratio, and RPM

Calculate engine RPM from vehicle speed and drivetrain ratios

Calculate horsepower from torque and RPM

Convert between Nm, lb-ft, and kgf·m torque units

Calculate total stopping distance based on speed and road conditions

Calculate actual speed vs displayed speed after tire size changes

Decode any 17-digit Vehicle Identification Number

Estimate total annual vehicle ownership costs

Convert quantities between cups, grams, and ounces with density awareness

Convert volume cups to weight grams for flour, sugar, butter, and more

Convert grams to US cups for baking and cooking ingredients

Calculate flour, yeast, salt, and water using baker's percentage

Scale ingredients up or down automatically

Adjust ingredient quantities based on servings

Calculate coffee grounds and water weights for V60, French Press, and Chemex

Calculate espresso extraction ratios, dose, and yield

Calculate flour, water, yeast, and salt for Neapolitan pizza balls

Calculate total sourdough hydration factoring in the starter

Calculate water-to-rice ratios for white, brown, basmati, and jasmine rice

Calculate dry or fresh pasta portions based on servings

Calculate roasting times and target temperatures for poultry, beef, pork, and lamb

Convert temperatures between Celsius, Fahrenheit, and Gas Mark

Convert conventional oven recipes to air fryer temperature and time

Calculate water needed to dilute spirits to a target ABV percentage

Scale cocktail recipes for batching and large group servings

Scale baking recipes between round, square, and rectangular cake pans

Estimate total recipe calories, protein, carbs, and fat per serving

Calculate daily meal calories and macro targets

Browse and search fundamental physical, chemical, and mathematical constants

Solve common physics equations with step-by-step solutions

Calculate force, mass, or acceleration using F = ma

Calculate velocity, distance, or time using v = d/t

Calculate acceleration from velocity change and time using a = Δv/Δt

Calculate linear momentum using p = mv

Calculate kinetic energy using KE = ½mv²

Calculate gravitational potential energy using PE = mgh

Calculate voltage, current, or resistance using V = IR

Calculate electrical power using P = VI, P = I²R, or P = V²/R

Calculate voltage drop across a wire or cable run

Calculate total resistance for series and parallel resistor networks

Calculate density, mass, or volume using ρ = m/V

Calculate pressure, force, or area using P = F/A

Calculate gas pressure-volume changes using P₁V₁ = P₂V₂

Calculate pressure, volume, temperature, or moles using PV = nRT

Calculate the molar mass of chemical compounds from their formula

Calculate pH, pOH, [H⁺], and [OH⁻] for acid-base solutions

Calculate radioactive decay, remaining quantity, and elapsed time

Calculate wave frequency, wavelength, or speed using v = fλ

Calculate your ideal macros for the ketogenic diet

Find your conception date from your due date or birth date

Convert your step count to distance walked or run

Calculate sin, cos, tan and their inverses

Count and round to significant figures

Compute hyperbola properties from a and b values

Universal unit converter for length, weight, volume, temperature, and more

Calculate SBI FD maturity amount and interest earned

Estimate your electricity bill from appliance usage

Calculate distance traveled based on speed and time

Calculate parts per million concentration

Calculate the exact duration between two dates