// the full index
All tools
250+ utilities across 10+ desks. Press ⌘K anywhere to jump straight to one.
Finance— Money math, worked out in full.
Paycheck Calculator (US)Estimate take-home pay after federal, FICA, and state tax — for any US state.Salary Calculator (UK · CA · AU)Take-home pay after tax for the UK, Canada, and Australia.Income Tax Calculator (India)Compare your FY 2025-26 tax under the new and old regimes side by side.GST Calculator (India)Add or remove GST at 5/12/18/28%, with the CGST and SGST split.CTC to In-Hand Salary (India)Estimate monthly take-home from your CTC after EPF, tax, and professional tax.HRA Exemption Calculator (India)Work out your tax-exempt House Rent Allowance with the least-of-three rule.Loan & EMI Calculator (US)Monthly payment, total interest, and a full amortization schedule.Compound Interest (US)Watch a balance grow with regular contributions and compounding.Debt Payoff Calculator (US)Plan your path to debt-free with the snowball or avalanche method.Mortgage Calculator (US)Estimate your full monthly mortgage payment including PITI, PMI, and HOA.Retirement Calculator (US)Project your retirement nest egg with compounding contributions and inflation.Loan Eligibility Calculator (US)Find the maximum loan you can qualify for based on income and FOIR/DTI.Dividend Calculator (US)Project dividend income and portfolio growth with optional DRIP reinvestment.Tip CalculatorCalculate tips and split the bill easily among friends.Discount CalculatorCalculate sale prices, savings, and final prices with tax.VAT CalculatorAdd or remove value-added tax (VAT) from a price.Inflation CalculatorCalculate how inflation affects purchasing power over time.CAGR CalculatorCalculate the Compound Annual Growth Rate of investments.ROI CalculatorCalculate the return on investment (ROI) and annualized ROI.Break-Even CalculatorFind the sales volume and units required to break even.Savings Goal CalculatorFind out how much you need to save monthly to reach your goal.Hourly to Annual Salary ConverterConvert hourly pay to annual salary, or vice versa, instantly.Credit Card Payoff CalculatorFind the time and interest required to pay off credit card debt.Auto Loan CalculatorCalculate monthly auto loan payments, interest, and total cost.Rent vs Buy CalculatorCompare the net cost of renting a home against buying one.Stock Average Down CalculatorCalculate the new average share price after subsequent purchases.Crypto Profit CalculatorCalculate cryptocurrency investment profits, fees, and ROI.SIP Calculator (India)Estimate future value and wealth gain from mutual fund SIP investments.FD Calculator (India)Calculate Fixed Deposit interest earnings and maturity amount.RD Calculator (India)Estimate maturity amounts and interest for Recurring Deposits.PPF Calculator (India)Project Public Provident Fund growth, interest, and maturity values.Stock Position Size CalculatorCalculate the optimal shares to purchase based on account size and risk tolerance.Stop-Loss / Take-Profit CalculatorDefine trade target prices and protection limits by percentage margins.Dividend Yield CalculatorCalculate dividend yields by comparing annual dividend payout against share prices.Stock Split CalculatorCalculate adjusted share counts and prices before/after stock splits.Graham Intrinsic Value CalculatorDetermine Benjamin Graham intrinsic values for value investing.Brokerage & Tax CalculatorEstimate total broker charges, GST, STT, and transaction tax costs.SIP vs Lumpsum CalculatorCompare wealth growth projections for monthly SIPs vs single lump sum investments.Stock Overview & RatiosCheck P/E ratios, EPS, yield, and mock AI stock reports for symbols.Stock Screener-LiteScreen common market stocks by yield targets and maximum P/E caps.Position Average Cost CalculatorCalculate weighted average costs for stock holdings across multiple purchase batches.
Health— Body metrics from proven formulas.
TDEE CalculatorDaily calories you burn, plus targets for cut, maintain, or bulk.BMI CalculatorBody Mass Index with the WHO category and your healthy weight range.BMR CalculatorEstimate your basal metabolic rate with Mifflin-St Jeor and Harris-Benedict.Macro CalculatorSplit daily calories into protein, carb and fat grams by diet preset.Calorie CalculatorFind maintenance calories and targets to lose, maintain or gain weight.Body Fat CalculatorEstimate body fat percentage with the US Navy tape method.Ideal Weight CalculatorIdeal body weight by Devine, Robinson, Miller and Hamwi formulas.One-Rep Max CalculatorEstimate your 1RM and build a percentage-of-max lifting table.Water Intake CalculatorDaily water target from body weight and activity, in liters and ounces.Protein Intake CalculatorRecommended daily protein range by goal, plus per-meal targets.Running Pace CalculatorPace, speed and race-time predictions from distance and time.Due Date CalculatorEstimate pregnancy due date, current progress and conception from LMP.Ovulation CalculatorPredict ovulation, fertile window and upcoming period dates.Sleep Cycle CalculatorCalculate optimal bedtime or wake-up times based on sleep cycles.Heart Rate Zones CalculatorDetermine target training zones using age and resting heart rate.Calories Burned CalculatorEstimate calories burned during activities using MET values.Lean Body Mass CalculatorCalculate lean body mass, fat mass, and body fat percentage.Waist-to-Hip Ratio CalculatorAssess body fat distribution and cardiovascular health risk.A1C to Glucose ConverterConvert HbA1c to average blood glucose levels (eAG) and vice versa.Blood Pressure CategoryEvaluate systolic and diastolic blood pressure values.Child Height PredictorPredict child adult height using parental height measurements.BAC CalculatorEstimate blood alcohol concentration (BAC) over time.Pregnancy Weight Gain CalculatorDetermine recommended weight gain targets by pregnancy week.Keto Macro CalculatorCalculate macronutrient targets (carbs, protein, fat) for ketogenic diet.Wilks & DOTS Score CalculatorCalculate relative strength performance scores for powerlifting.Smoking Cost CalculatorCalculate the total financial cost of smoking over time.Fasting TimerInteractive timer for intermittent fasting tracking.
SEO & Marketing— Generators for the search-visible layer.
Meta Tag GeneratorTitle, description, and Open Graph tags with a live Google preview.Slug GeneratorTurn any headline into a clean, URL-safe slug.PageSpeed & Core Web Vitals TestCheck any page's Google performance score and Core Web Vitals, lab and field.Domain Authority CheckerCheck any domain's Open PageRank score (0–10) and global rank — free, no credit card.Schema Markup GeneratorBuild valid JSON-LD for articles, FAQs, products, and businesses.SERP Snippet PreviewSee how your title and description render in Google, with pixel widths.Open Graph PreviewPreview your share card on Facebook, X, and LinkedIn before you post.Robots.txt GeneratorCompose crawl rules per bot, with presets and a sitemap line.XML Sitemap GeneratorTurn a list of URLs into a valid sitemap.xml you can download.Hreflang Tag GeneratorGenerate alternate-language link tags, with x-default handled.Keyword Density CheckerCount the top words and phrases in pasted text, with percentages.Keyword SuggestionsGet real Google autocomplete suggestions for any seed keyword — free, no key needed.UTM Link BuilderAdd campaign tracking parameters to any URL, cleanly encoded.Redirect GeneratorWrite 301/302 rules for Apache .htaccess or Nginx from a redirect map.Disavow File GeneratorClean a list of toxic links into a Google-ready disavow.txt.Privacy Policy GeneratorGenerate standard, customized Privacy Policies for websites.Terms & Conditions GeneratorCreate customized Terms and Conditions for websites and apps.Disclaimer GeneratorGenerate customized standard website disclaimers.Email Signature GeneratorDesign professional, clean HTML email signatures.
Developer— The encode / decode / inspect baseline.
JSON FormatterPretty-print, minify, and validate JSON with the error line called out.Base64 Encode / DecodeConvert text to Base64 and back, Unicode-safe.JWT DecoderRead the header and payload of a JSON Web Token, with expiry checked.Hash GeneratorSHA-1, SHA-256, and SHA-512 digests, computed in your browser.URL Encoder / DecoderPercent-encode or decode text and whole URLs, component by component.Regex TesterTest a pattern against sample text with live match highlighting and groups.Cron Expression ParserRead a crontab line in plain English and see its next run times.Unix Timestamp ConverterConvert between Unix time and human dates, in your zone and UTC.Color ConverterTranslate a color between HEX, RGB, and HSL with a live swatch.JSON ↔ CSV ConverterTurn a JSON array into CSV, or a CSV table back into JSON.Text DiffCompare two blocks of text and see exactly what changed, line by line.HTML/CSS/JS MinifierMinify HTML, CSS, or JavaScript code to save file size.SQL FormatterFormat and beautify SQL queries with proper indentation.YAML ↔ JSON ConverterConvert configuration files between JSON and YAML formats.HTML Entity EncoderEncode or decode HTML entities to prevent rendering issues.String EscaperEscape or unescape string special characters and slashes.Chmod CalculatorCalculate octal and symbolic notations for Linux file permissions.User-Agent ParserParse and analyze browser, OS, and device info from a User-Agent string.CSS Gradient GeneratorDesign beautiful CSS linear and radial gradients visually.CSS Box Shadow GeneratorDesign outer and inset CSS box shadows visually with preview.CSS Border Radius GeneratorDesign rounded borders visually for CSS custom boxes.SVG to Data URIConvert raw SVG code into a CSS-ready percent-encoded Data URI.WCAG Contrast CheckerAnalyze color contrast ratios against WCAG 2.0 AA/AAA accessibility standards.URL ParserExtract host, path, port, protocol, and query parameters from any URL.DNS LookupQuery A, AAAA, MX, NS, TXT, and CNAME records using Cloudflare DoH.Subnet CalculatorCalculate subnets, hosts, ranges, broadcast, and CIDR prefix masks.Cron Expression GeneratorGenerate cron schedules visually and translate to crontab lines.CSS Clip-Path GeneratorGenerate visual CSS polygon clip paths for shapes and layouts.CSS Blob GeneratorGenerate smooth organic liquid CSS blob shapes.SVG Wave GeneratorGenerate smooth SVG wave divider shapes for sections.Git Cheat SheetSearchable git commands quick reference guide.Regex Cheat SheetSearchable regex syntax reference guide.HTTP Status CodesSearchable reference of all official HTTP status codes.MIME Types ReferenceSearchable list of file extensions and MIME content types.Keyboard Shortcuts GuideGeneral operating systems and development editor shortcuts guide.Screen RecorderRecord your screen and system/microphone audio directly in-browser.Voice RecorderRecord audio from your microphone natively in-browser.Bcrypt Generator & CheckerGenerate secure Bcrypt hashes or verify passwords against hash codes.HMAC GeneratorCalculate secure keyed-hash message authentication codes (HMAC).AES Encrypt / DecryptEncrypt and decrypt text payload with secure AES-GCM password keys.RSA Key Pair GeneratorGenerate secure 2048-bit RSA Public/Private keys in PEM format.TOTP Authenticator GeneratorGenerate 2FA validation codes from base32 seed keys.Secure Token GeneratorGenerate cryptographically secure tokens, hex codes, or UUIDs.Password Strength AnalyzerTest password entropy, length, complexity, and get strength advice.BIP39 Mnemonic GeneratorGenerate secure BIP39 compliant 12 or 24-word passphrases.GEO IP LocatorFind geolocation metadata for any IP address.Server Status CheckerCheck server response headers and status codes in-browser.Redirect CheckerTrace redirect loops and URL paths dynamically.Page Size CheckerCalculate webpage source code weight in kilobytes.Spider SimulatorSimulate a crawler bot extracting plaintext page weights.Open Graph Meta ParserExtract Facebook OG and Twitter meta card tags from any page.Mobile Viewport SimulatorSimulate custom mobile viewport rendering for layout testing.What Is My IP (Dual-Stack)Detect your public IPv4 and IPv6 addresses side-by-side in real-time.WebRTC Leak CheckerDetect private local IP addresses leaking through WebRTC connections.DNS / VPN Leak ChecklistLearn how to test and verify if your DNS queries leak outside your VPN.Browser Fingerprint DiagnosticCheck Canvas, WebGL, AudioContext, and system font footprint uniqueness.Internet Speed TestTest your download connection transfer speed client-side.Edge Server Ping LatencyCheck round-trip ping latency to AWS, Cloudflare, and Google servers.HTTP Client Header AuditInspect HTTP request headers and client environment variables.DNSBL Blacklist AuditVerify if your IP address is blacklisted on major anti-spam databases.Email Header AnalyzerTrace SMTP hops and check SPF/DKIM flags from raw email headers.MX & SPF ValidatorInspect a domain's DNS MX mail servers and SPF safety validation records.Resolution & Viewport MonitorTrack screen resolution, viewport bounds, and pixel ratios in real-time.Screen Aspect Ratio CalculatorSimplify resolution dimensions into mathematical aspect ratios (e.g. 16:9).Monitor PPI Density CalculatorCalculate display pixel density (PPI) based on size and resolution.Regex Data ExtractorExtract emails, URLs, IPs, and card numbers from raw unstructured text.XOR Cipher ToolEncrypt and decrypt text payload using simple bitwise XOR calculations.XML Formatter & LinterValidate and format raw XML markup structures with indentation.TOML FormatterFormat and indent TOML configuration syntax parameters.
Text— Count, clean, and reshape writing.
Word CounterWords, characters, sentences, and reading time as you type.Case ConverterConvert text between UPPERCASE, camelCase, snake_case, kebab-case and more.Lorem Ipsum GeneratorGenerate placeholder text by paragraphs, sentences, or words.Find and ReplaceFind and replace text with regex, case options, dedupe and sort lines.Markdown to HTMLConvert Markdown to HTML with a live preview and source output.Bold Text GeneratorGenerate bold, cursive, script, gothic and double-struck unicode styles.Small Caps GeneratorConvert normal text to ꜱᴍᴀʟʟ ᴄᴀᴘꜱ unicode text instantly.Small Text GeneratorCreate superscript (ᵗⁱⁿʸ) and subscript (ₜᵢₙᵧ) text for bios and social posts.Upside Down Text GeneratorFlip your text upside down (ɟןıd) and reverse it.Reverse Text GeneratorReverse letters, words, or lines of text instantly.Invisible Character GeneratorCopy zero-width spaces or blank characters for blank names or empty bios.Morse Code TranslatorTranslate plain English text to Morse code and vice versa.Remove Line BreaksRemove line breaks and clean up extra whitespace in your text.ROT13 & Caesar CipherEncrypt or decrypt text using Caesar or ROT13 cipher shifts.Sentence CounterCount sentences, paragraphs, words, and characters in your text.Title CapitalizerCapitalize headlines according to Chicago, AP, or standard styling.Binary to Text ConverterConvert normal text to binary code and binary back to text.Sort and Deduplicate LinesSort lines of text alphabetically and remove duplicate lines.Word Frequency CounterCount occurrences and density percentages of each word in a text.Speech to TextConvert spoken voice into written text in real-time in your browser.Text to SpeechConvert written text into spoken audio waves with customized speed and voices.SRT ↔ WebVTT ConverterConvert subtitle file formats between SRT and WebVTT structures.Subtitle Timing ShifterShift all timestamps in an SRT subtitle file forward or backward.SRT Subtitle EditorLoad, edit, and save subtitle timings and text interactively.
Generators— Make a thing from a short input.
Password GeneratorStrong, random passwords with a live strength read-out.UUID GeneratorBatch v4 UUIDs from the browser's crypto source.QR Code GeneratorMake a downloadable QR code from a link or any text.Random Number & Name GeneratorGenerate random numbers, names, or usernames with unique and sorted options.Favicon GeneratorCreate a text-based favicon and export PNGs at 32, 180, and 512 pixels..gitignore GeneratorBuild a .gitignore by combining common language, OS, and editor stacks.License GeneratorGenerate an open-source LICENSE file: MIT, Apache-2.0, BSD, ISC, GPLv3, Unlicense.Barcode GeneratorGenerate scannable barcodes in CODE128, EAN, UPC and more, then download SVG or PNG.
Converters— Switch between units with exact factors.
Time Unit ConverterSeconds, minutes, hours, days, weeks, months, and years.Length ConverterMetres, feet, inches, miles, and more — converted instantly.Weight ConverterKilograms, pounds, ounces, stones, and tonnes.Temperature ConverterCelsius, Fahrenheit, and Kelvin with the formula shown.Area ConverterSquare metres, feet, acres, hectares, and miles.Volume ConverterLitres, gallons, cups, pints, and cubic metres.Speed Converterkm/h, mph, m/s, knots, and feet per second.Pressure ConverterPascals, bar, psi, atmospheres, and mmHg.Energy ConverterJoules, calories, kWh, BTU, and more.Data Size ConverterBytes, KB, MB, GB, and their binary KiB/MiB/GiB siblings.Cooking ConverterCups, tablespoons, teaspoons, millilitres, and fluid ounces.Fuel Economy ConverterMPG (US & UK), L/100km, and km/L, handled reciprocally.Shoe Size ConverterConvert shoe sizes between US, UK, EU, and CM for men, women, and kids.Clothing Size ConverterConvert clothing sizes across US, UK, EU, IT and alpha (XS–XXL) for women and men.Currency ConverterConvert between 28 world currencies with live, daily-updated exchange rates.
Math— Calculators that just do the arithmetic.
Percentage CalculatorPercent of a number, what-percent, and percentage change — all three.Fraction CalculatorAdd, subtract, multiply, and divide fractions, simplified automatically.Statistics CalculatorMean, median, mode, range, variance, and standard deviation from a list.Ratio CalculatorSimplify a ratio or solve a proportion for the missing value.Scientific CalculatorTrig, logs, powers, and roots with a clean expression display.Significant FiguresCount significant figures and round a number to any precision.Number Base ConverterConvert between binary, octal, decimal, and hexadecimal at once.GPA CalculatorTurn course grades and credit hours into a weighted 4.0 GPA.Grade CalculatorWeight your assignments to find your current grade and what you still need.
Dates & Time— Count days, ages, and durations.
Age CalculatorExact age in years, months, and days — plus your next birthday.Date DifferenceDays, weeks, and months between any two dates.Time DurationHow long between two times, in hours, minutes, and seconds.Business Days CalculatorCount working days between dates, skipping weekends and holidays.Countdown TimerA live countdown to any date — deadline, launch, or celebration.Timezone ConverterConvert a date and time from one timezone to multiple IANA timezones.Date-Time Format ConverterConvert dates and times to standard ISO, RFC, Local, and Unix Epoch formats.Time Card CalculatorCalculate daily/weekly work hours and estimated gross payroll.World Meeting PlannerCheck timezone overlaps and coordinate best meeting times across cities.
PDF— Edit PDFs without uploading a thing.
Merge PDFCombine several PDFs into one file, in the order you choose.Split PDFPull out a page range into a new, smaller PDF.Rotate PDFTurn every page 90, 180, or 270 degrees and save.Images to PDFTurn JPG and PNG images into a single PDF document.PDF to JPG ConverterRender PDF pages into downloadable JPG images completely in-browser.PDF CompressorOptimize and compress PDF file sizes completely client-side.
Image— Resize, convert, and compress in-browser.
Resize ImageScale an image to exact dimensions or a percentage.Compress ImageShrink a JPG or WebP's file size with a quality you control.Convert ImageSwitch an image between PNG, JPG, and WebP.Crop ImageCrop to an aspect ratio or your own selection.Image to Text (OCR)Extract text from images in your browser with multi-language OCR — no upload.Placeholder Image GeneratorGenerate custom SVG placeholder images with exact sizes and text.HEIC to JPG ConverterConvert iOS HEIC photos to JPG format in your browser.PNG to ICO ConverterConvert standard PNG files into Favicon .ico icons.SVG to PNG ConverterRender SVG vector markup graphics into standard PNG raster files.WebP to PNG ConverterConvert WebP images to standard PNG format.Background RemoverRemove light backgrounds from images using client-side chroma keying.Image to PromptAnalyze an image and generate descriptive prompt tag styles for AI generators.
Weather— Live conditions and forecasts, no key needed.
AI Tools— Token math and Echo-powered writing help.
Token CounterCount tokens for GPT and Claude before you send a prompt.Prompt CleanerStrip smart quotes, stray whitespace, and hidden characters from a prompt.AI Content SignalsA transparent heuristic for how AI-written a passage reads — signals, not a verdict.AI Text HumanizerRewrite stiff, AI-sounding text so it reads like a person wrote it.Paraphrasing ToolReword any text in a tone you choose, keeping the meaning.SummarizerCondense long text into a short summary or a few bullet points.Prompt ImproverTurn a rough idea into a clear, well-structured AI prompt.AI Image GeneratorGenerate realistic or artistic images from a detailed text description.AI Grammar CheckerCheck and correct grammar, spelling, and phrasing errors in your text.AI Email WriterGenerate clean, professional, casual, or persuasive emails from a short brief.AI Resume BuilderBuild professional resumes with live previews and AI-powered achievements polishing.AI Business Name & Domain GeneratorGenerate catchy business name ideas and get instant domain availability variations.AI Startup Idea ValidatorCritically evaluate startup models, target audience alignment, and feasibility score.AI Brand Voice & Style Guide CreatorAnalyze your copy to generate a tone archetype and test live sentence conversions.AI High-Converting Ad Copy WriterWrite direct response copy variations for Facebook, Google, LinkedIn, and X.E-commerce Product Description WriterCreate search-optimized listings for Shopify, Amazon, and Etsy.AI Social Media Hook GeneratorGenerate high-performing, attention-grabbing scroll-stoppers for social channels.AI Blog Outline & Content PlannerGenerate H2/H3 semantic structure outlines and keyword maps for writing.AI FAQ Schema & Q&A GeneratorStructure frequently asked questions and compile valid JSON-LD FAQ Schema markup.AI Cover Letter GeneratorWrite a customized cover letter mapped to specific job description keywords.AI Interview Prep AssistantGet custom mock interview questions and expert answer guidelines for any role.AI Smart TranslatorTranslate texts across multiple languages while perfectly adapting tone and style.AI Code ExplainerUnderstand complex code snippets from any language with plain-English breakdowns.SQL Query GeneratorDescribe tables and target metrics to compile optimized relational SQL queries.Regex Explainer & CreatorBuild regular expression patterns from descriptions and explain how they execute.AI Image Alt-Text GeneratorAnalyze images to write descriptive, keyword-optimized accessibility alt-text.Keyword Intent ClustererCluster lists of keywords into informational, transactional, and commercial groups.SEO Title & Meta OptimizerGenerate click-optimized Meta Titles and Meta Descriptions for higher CTR.