Directory of All Tools

Fast, clean basic calculator for everyday calculations with memory and history.

Full scientific calculator with trig, logarithms, powers, roots, DEG/RAD, and memory.

Calculate statistical median, sorted range, quartiles (Q1/Q3), and IQR.

Calculate Arithmetic, Geometric, and Harmonic Means along with standard deviation.

Calculate remainder (A mod B) or statistical mode frequency distribution.

Calculate percentage changes, differences, and fractions.

Calculate Cumulative Grade Point Average across semesters.

Apply a chosen formula; verify the rule for your course and cohort.

Calculate high school and college GPA with weighted credit hours.

Calculate exact days, weeks, months between two dates.

Find statistical mode and value frequencies in data sets.

Calculate population and sample standard deviation and variance.

Calculate single event chances, joint probabilities, and odds.

Calculate factorial permutations and combinations.

Compute exact factorials for large integer numbers.

Perform matrix addition, multiplication, transpose, and determinant.

Solve quadratic equations ax² + bx + c = 0 with step explanation.

Convert proper, improper, and mixed fractions to decimals.

Solve missing proportions a:b = c:d and ratio splits.

Calculate area and perimeter for circles, triangles, rectangles.

Convert numbers between Binary (2), Octal (8), Decimal (10), and Hex (16).

Calculate voltage, current, resistance, and electrical power.

Solve physics equations for travel speed, distance, or ETA time.

Calculate monthly loan repayments, total interest, and view a detailed amortization schedule.

Forecast your mutual fund SIP wealth growth with expected annual returns over time.

Estimate salary-only take-home pay in INR for FY 2025–26.

Compare retirement targets and contribution growth assumptions.

Calculate monthly payments, total interest, and total outlay for any loan.

Calculate student loan EMIs with moratorium/grace period & Section 80E tax benefits.

Calculate monthly personal loan EMIs, processing fees, and net borrowing costs.

Calculate bike loan monthly EMI with ex-showroom price, down payment, and RTO fees.

Calculate auto loan monthly payments with down payment, trade-in, and interest.

Calculate home loan EMIs, down payment %, and tax benefits under Sec 24 & 80C.

Estimate a fixed-rate mortgage with explicit fees and housing costs.

Compare simple vs compound interest growth across various compounding frequencies.

Calculate Fixed Deposit maturity returns, quarterly interest, and senior citizen boost.

Calculate Recurring Deposit maturity wealth with monthly contributions & compounding.

Calculate long-term compound growth with initial principal and monthly additions.

Calculate simple interest (I = P*R*T/100) with tenure in years, months, or days.

Calculate Public Provident Fund maturity corpus, interest, and EEE tax savings.

Calculate monthly EMI repayments and total interest for gold-backed loans.

Calculate monthly EMI and total borrowing costs for commercial and working capital loans.

Calculate Systematic Withdrawal Plan monthly income payouts and remaining mutual fund corpus.

Calculate Employee Provident Fund maturity wealth and accumulated retirement interest.

Calculate National Pension System retirement wealth, lump sum withdrawal, and monthly annuity.

Calculate lump sum gratuity benefit payable upon completing 5+ years of service.

Calculate tax-exempt House Rent Allowance under Section 10(13A) of Income Tax Act.

Calculate FY 2025–26 new-regime salary tax in INR.

Calculate inclusive and exclusive GST tax amounts with CGST & SGST breakdown.

Calculate credit card purchase EMI conversion costs, interest rates, and processing fees.

Calculate total personal net worth by evaluating total assets minus total liabilities.

Calculate 3 to 12 months of essential living expenses needed for financial security.

Calculate Return on Investment percentage and net monetary gain from capital investments.

Calculate Compound Annual Growth Rate for multi-year investments.

Calculate Internal Rate of Return for multi-year investment cash flows.

Calculate exact sales unit volume and revenue needed to cover fixed and variable costs.

Calculate gross profit margin percentage and cost price markup ratios.

Calculate sales commission earnings payout and net seller proceeds.

Calculate lump sum and SIP mutual fund growth and future maturity returns.

Calculate annual passive dividend payouts and dividend yield percentages.

Calculate average buy price when purchasing additional stock shares.

Calculate real-time financial burn rates and costs of meetings.

Calculate mutual fund wealth accumulation with annual step-up increments.

Calculate SSY scheme interest returns and maturity corpus.

Calculate cryptocurrency buy/sell trade profits, ROI %, and fees.

Generate highly secure random passwords with customizable parameters and strength analysis.

Create custom QR codes for texts, URLs, WiFi networks, phone numbers, and emails.

Prettify, minify, validate, and explore complex JSON objects in an interactive node tree.

Generate color schemes and test text-to-background contrast using official WCAG guidelines.

Generate standard web favicons and manifest files instantly.

Design beautiful Open Graph images for social media sharing.

Generate mock JSON, SQL, or CSV data for software testing.

Translate plain text to Morse code signals and audio simulation.

Generate placeholder text, paragraphs, and words for design mockups.

Encode text strings and decode Base64 data safely.

Encode text to URI components and decode percent-encoded URLs.

Test regular expressions against target text with regex flags.

Convert color codes between HEX, RGB, HSL, and HSV formats.

Convert Markdown syntax into clean HTML code in real time.

Open .md files with local text processing, split-view editing and remote images blocked by default. Export Markdown, HTML or Word-compatible .doc.

Generate cryptographically secure random UUID v4 strings in batch.

Generate MD5, SHA-1, and SHA-256 cryptographic hashes.

Compare two text files or code snippets to find line differences.

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.

Count characters, words, sentences, reading time, and social platform limit progress.

Remove duplicate lines from text lists with sorting and trimming options.

Reverse string order, word order, or flip text upside-down instantly.

Repeat any string N times with custom separators and line breaks.

Convert titles and headlines into SEO-friendly clean URL slugs.

Generate big ASCII text banner art for code README files.

Strip HTML tags, collapse extra whitespace, and join paragraphs.

Minify or beautify CSS stylesheets with compression size metrics.

Minify JS scripts or format JavaScript code cleanly.

Format HTML while preserving significant whitespace.

Convert JSON array data into downloadable CSV spreadsheets.

Convert color codes across HEX, RGB, HSL, CMYK, and CSS variables.

Decode JSON Web Tokens (JWT) to inspect header and payload claims securely.

Check password length, character variety and common patterns locally.

Encrypt sensitive text with a secret key passphrase securely.

Compute and verify SHA-256 checksums for local files to check integrity.

Combine multiple PDF files into a single document seamlessly.

Extract specific pages from a PDF or split it into individual files.

Convert and compile multiple images into a single PDF document.

Add a custom text watermark to all pages of your PDF.

View and edit hidden PDF metadata like Author, Title, and Subject.

Rotate all or specific pages in a PDF document clockwise or counter-clockwise.

Insert custom page numbers, headers, and footers across PDF documents.

Delete unwanted pages or blank sheets from PDF files and download clean documents.

Optimize PDF structure and metadata without uploading.

Fit an image to a 20, 50, 100 or custom KB limit, or adjust quality locally. Measure the output before downloading.

Remove image backgrounds in your browser with a local AI model.

Resize images to specific pixel dimensions or percentages natively.

Convert images to WebP, PNG or JPEG locally.

Create classic image macros with custom top and bottom text.

Instantly crop images to exact sizes for Instagram, X, LinkedIn, etc.

Combine multiple photos into beautiful grid and story layouts.

Upload any image to pick pixel color codes (HEX, RGB) instantly.

Flip images horizontally, vertically, or rotate by 90-degree angles.

Convert SVG vector images into high-resolution PNG downloads.

Inspect supported camera and GPS EXIF tags in local JPEG files.

Quickly convert between standard length, weight, data, and temp units.

Calculate currency cross-rates using fixed illustrative assumptions; not live market quotes.

Convert meeting times across UTC, EST, PST, GMT, and IST.

Calculate estimated due date, gestational age, trimester, and milestones.

Calculate Body Mass Index (Metric & Imperial), healthy weight range, and Prime index.

Visualize time to a hypothetical planning age, not a predicted lifespan.

Calculate baseline daily calories burned at rest using the Mifflin-St Jeor formula.

Estimate body fat percentage, lean mass, and fat mass using US Navy formulas.

Calculate lean body mass (LBM) and body fat mass percentage.

Estimate healthy body weight ranges based on height and frame.

Determine maintenance, weight loss, or bulking calorie targets.

Calculate daily hydration and water intake requirements.

Distribute daily calories across protein, carbs, and fats.

Estimate target daily protein grams for muscle building and fitness.

Calculate Total Daily Energy Expenditure and baseline metabolism.

Estimate maximum lift capacity for bench, squat, and deadlift.

Estimate ovulation dates and peak fertile windows.

Determine cardio training heart rate zones for fat burn and peak endurance.

Assess body fat distribution and cardiovascular health risk.

Find optimal sleep cycles and bedtime wake-up windows.

Calculate total money spent on cigarettes and future savings.

Calculate target running pace per mile or kilometer.

Convert daily step counts to estimated calorie burn and miles walked.

Determine daily calorie targets for weight loss or muscle gain.

Get your exact age in years, months, days, down to the second, plus next birthday countdown.

Analyze writing structure, character counts, reading times, and keyword densities instantly.

Open ZIP archives online, preview contents, and extract files locally.

Calculate your exact age directly in months, weeks, days, hours, and seconds.

Convert dog age to human years accurately based on breed weight and size.

Discover your Western Zodiac, Chinese Zodiac, birthstone, and age on other planets.

Determine grade level placement (Pre-K to 12th) based on birth date & cutoff rules.

Explore traditional calendar Sun signs. Astronomical Moon and rising signs are not calculated.

Calculate final sale price and monetary savings from percentage discounts.

Estimate paint gallons/liters and coats required for rooms.

Estimate cement bags and sand ratio for masonry construction.

Calculate cubic yards/meters of concrete for slabs and footings.

Calculate number of bricks needed for walls and masonry work.

Calculate tile count and grout quantity for bathroom/kitchen floors.

Estimate square feet of hardwood or laminate flooring required.

Calculate room area in sq ft, sq meters, and perimeter.

Determine required AC tonnage and BTU rating for room dimensions.

Boost productivity with 25-minute focus cycles and break alarms.

Track days, hours, minutes, and seconds until your target event.

Track live current times across global cities and time zones.

Calculate exact age breakdown in seconds, minutes, hours, and days.

Estimate reading times for fast, average, and slow reader speeds.

Calculate daily/monthly kWh power usage and electricity bill costs.