All tools and calculators

Estimate monthly YouTube ad earnings based on views, channel niche, and audience country. Free, transparent, no signup required.

Calculate your crypto trade profit after exchange fees and capital gains tax. Built for Bitcoin, Ethereum, and any token.

Project the tax-free growth of a 529 college savings plan and estimate the state tax deduction. Compounds monthly contributions over the years until college.

Calculate ROI for the BRRRR real estate strategy: Buy, Rehab, Rent, Refinance, Repeat. Returns cash-on-cash, cash left in deal, and total ROI at refi.

Calculate the number of units and revenue required to break even given your fixed costs, sale price, and variable cost per unit.

Compare the total cost of buying a car with a loan versus leasing. Includes residual value, down payments, monthly payments, and effective per-month cost.

Calculate the monthly contribution required to hit a college savings target by a specific year, given current savings and expected investment return.

See how compound interest grows your savings over time, with optional monthly contributions and adjustable compounding frequency.

Estimate the total cost of raising a child from birth to age 17, using USDA Expenditures on Children by Families data adjusted for income and region.

Estimate the monthly disability income coverage you need to protect against disability, accounting for employer LTD, SSDI offset, and replacement target.

Calculate ecommerce profit margins, markup, processor fees, and monthly net profit projections. Adjust price, COGS, shipping, and fees in real time.

Calculate how many years until an EV's lower fuel and maintenance costs offset the higher upfront purchase price. Comparable to a typical mid-size gas car.

Estimate the maximum home price you can afford given income, debts, down payment, mortgage rate, and the back-end DTI ratio. Includes property tax and insurance assumptions.

See what an amount of money will be worth after inflation. Project purchasing power loss over any horizon at any inflation rate.

Project how a starting amount and regular monthly contributions grow over time at a chosen rate of return. See total contributions and total growth.

Calculate your monthly loan payment, total interest, and payoff date. Adds support for extra principal payments to see how much you can save.

Estimate your monthly mortgage payment with principal, interest, property tax, insurance, and HOA. Free, instant, no signup.

Calculate how many months it takes for refinance savings to cover closing costs. Compares current and new monthly payments and shows net savings over the remaining term.

Calculate cap rate, gross yield, net operating income, and cash-on-cash return for a rental property investment. Accounts for vacancy, expenses, and mortgage debt service.

Project your retirement nest egg from current savings, monthly contributions, and expected returns. See real spending power after inflation and a safe withdrawal rate.

Calculate return on investment for stocks, real estate, side projects, or any asset. See total ROI plus the annualized rate.

Calculate MRR, ARR, annualized churn, customer lifetime value, LTV to CAC ratio, and CAC payback for any subscription business.

Project the balance of any savings account with a starting amount, monthly deposits, and a chosen interest rate. See what you accumulate over time.

Estimate how much term life insurance you need using the DIME method: Debt + Income replacement + Mortgage + Education for children + Final expenses.

Split a restaurant bill including sales tax and tip across a group. Returns per-person total, the tip amount, and the tax amount separately.

Estimate the umbrella insurance policy limit you need based on assets and income exposure. Compares against current home and auto liability limits.

Estimate a US mortgage payment with US-realistic property tax, insurance, and HOA defaults. Includes principal, interest, and full amortization.

Project a vehicle's depreciation curve year by year using stepped rates for years 1, 2-5, and 6+. Estimates resale value, total depreciation, and average annual loss.

Find the freelance hourly rate you need to charge to hit your income goal after taxes, business expenses, and realistic utilization.

Calculate your body mass index in metric or imperial units. See the category breakdown and the healthy weight range for your height.

Calculate your basal metabolic rate using the Mifflin-St Jeor equation, plus daily calorie needs at five common activity levels.

Estimate body fat percentage using the US Navy circumference method. Requires height, neck, waist, and (for women) hip measurements.

Calculate how much caffeine remains in your bloodstream after any number of hours. Uses your personal caffeine half-life to estimate remaining mg.

Calculate the daily calories and macronutrient grams you need to lose, maintain, or gain weight. Uses Mifflin-St Jeor BMR with realistic activity multipliers.

Calculate your recommended daily water intake in ml, liters, cups, and 500 ml bottles. Adjusts for activity, climate, and pregnancy.

Calculate target marathon pace per kilometer and per mile from a finish time. Returns 10k, half-marathon, and 30k splits to pace by.

Estimate your one-rep max in any lift using the Epley, Brzycki, or Lombardi formula. Returns 1RM and the percentage table for training prescription.

Estimate your due date from your last menstrual period, conception date, or ultrasound measurement. Shows current gestational age and trimester.

Scale a recipe up or down by adjusting ingredient quantities to a target number of servings. Works for any unit: cups, tablespoons, grams, ounces.

Calculate the best bedtime or wake time based on 90-minute sleep cycles, so you wake up between cycles and feel refreshed instead of groggy.

Calculate Abruzzo take-home pay for 2025. Italian IRPEF + Abruzzo regional addizionale + INPS. L'Aquila, Pescara, Adriatic coast, Apennine context.

Calculate ACT (Canberra) take-home pay for 2025. Federal income tax + Medicare Levy. Canberra public service salary structure context.

Calculate Alberta take-home pay for 2025. Federal brackets + CPP + EI + Alberta's low provincial tax (10% to 15%). Most favorable provincial structure in Canada.

Calculate Andalucía take-home pay for 2025. Spanish IRPF (estatal + autonomic andaluz) + Seguridad Social. Sevilla, Málaga, Granada economic context.

Calculate Aragón take-home pay for 2025. Spanish IRPF + Seguridad Social. Zaragoza Stellantis (Opel/Peugeot) and Logistics Platform economic context.

Calculate Asturias take-home pay for 2025. Spanish IRPF + Seguridad Social. Oviedo capital, Gijón industrial center, Avilés steel context.

Estimate Australian resident take-home pay for the 2024-25 tax year. Includes Stage 3 income tax brackets, the $18,200 tax-free threshold, and the 2 percent Medicare levy.

Calculate Baden-Wuerttemberg take-home pay for 2025. German federal income tax + social contributions. Stuttgart, Karlsruhe, Mannheim economic context plus 8 percent church tax.

Calculate Basilicata take-home pay for 2025. Italian IRPEF + Basilicata regional addizionale (1.23%) + INPS. Potenza, Matera UNESCO heritage, and southern Italian context.

Calculate Bavaria (Bayern) take-home pay for 2025. German federal income tax + social contributions. Munich tech and BMW sector context plus 8 percent church tax (lowest in Germany).

Calculate Berlin take-home pay for 2025. German federal income tax + social contributions. Berlin tech and startup scene context plus 9 percent church tax.

Calculate Brandenburg take-home pay for 2025. German federal income tax + social contributions. Potsdam, Tesla Grünheide, Berlin-commuter context plus 9 percent church tax.

Calculate Bremen take-home pay for 2025. German federal income tax + social contributions. Bremen Hanseatic city economic context plus 9 percent church tax.

Calculate British Columbia take-home pay for 2025. Federal brackets + CPP + EI + BC seven-bracket provincial tax up to 20.5%. Includes RRSP and basic personal amount.

Calculate Calabria take-home pay for 2025. Italian IRPEF + Calabria regional addizionale (2.03%) + INPS. Reggio Calabria, Catanzaro, Cosenza, and Mediterranean coastline context.

Calculate California take-home pay for 2025. Federal brackets + FICA + flat-rate California state income tax approximation. Includes 401(k) and HSA deductions.

Calculate Campania take-home pay for 2025. Italian IRPEF + Campania regional addizionale (2.03%) + Napoli municipal addizionale (0.8%) + INPS contributions.

Estimate Canadian federal take-home pay for the 2025 tax year. Includes the $16,129 Basic Personal Amount, five federal brackets, CPP base, CPP2, and Employment Insurance.

Calculate Canarias (Canary Islands) take-home pay for 2025. Spanish IRPF + Seguridad Social + special Canarian tax regime (REF). Tenerife and Gran Canaria economic context.

Calculate Cantabria take-home pay for 2025. Spanish IRPF + Seguridad Social. Santander capital, Banco Santander origin, and Atlantic coast tourism context.

Calculate Castilla y León take-home pay for 2025. Spanish IRPF (estatal + autonomic CyL) + Seguridad Social. Valladolid (Renault), Burgos, Salamanca economic context.

Calculate Castilla-La Mancha take-home pay for 2025. Spanish IRPF + Seguridad Social. Toledo, Ciudad Real, Albacete economic context. Madrid-commuter region.

Calculate Catalonia (Cataluña) take-home pay for 2025. Spanish IRPF (estatal + autonomic Cataluña higher than Madrid baseline) + Seguridad Social trabajador. Barcelona tech and economic context.

Estimate the lifetime return on investment of a college degree by comparing earnings with and without the degree, accounting for tuition and opportunity cost.

Calculate Comunidad Valenciana take-home pay for 2025. Spanish IRPF (estatal + autonomic Valenciana) + Seguridad Social. Valencia, Alicante, and Castellón economic context.

Calculate Emilia-Romagna take-home pay for 2025. Italian IRPEF + ER regional addizionale (1.93%) + Bologna municipal addizionale (0.8%) + INPS. Bologna, Modena Ferrari context.

Calculate the net gain from an Employee Stock Purchase Plan with a lookback feature and 15 percent discount. Models immediate sale at purchase (disqualifying disposition).

Calculate Extremadura take-home pay for 2025. Spanish IRPF + Seguridad Social. Mérida, Cáceres, Badajoz economic context plus rural depopulation and tourism context.

Calculate Florida take-home pay for 2025. Florida has no state income tax, so net pay is gross minus federal tax and FICA only. Includes 401(k) and HSA deductions.

Estimate French net take-home pay for 2025. Includes the 2025 tranches d'imposition, the Plan d'Épargne Retraite deduction, and the employee share of cotisations sociales.

Calculate Friuli-Venezia Giulia take-home pay for 2025. Italian IRPEF + FVG regional addizionale (0.70%, lowest in Italy) + INPS. Trieste, Udine, Pordenone context.

Calculate Galicia take-home pay for 2025. Spanish IRPF (estatal + autonomic galego) + Seguridad Social. A Coruña, Vigo, Santiago economic context plus Inditex (Zara) HQ.

Calculate Georgia take-home pay for 2025. Federal brackets + FICA + Georgia flat 5.39 percent state income tax. Includes 401(k) and HSA deductions and scheduled rate cuts through 2029.

Estimate German net take-home pay for 2025. Includes the €12,096 Grundfreibetrag, the Einkommensteuer Grundtarif curve, and the employee share of KV / PV / RV / AV social insurance.

Calculate Hamburg take-home pay for 2025. German federal income tax + social contributions. Hamburg port, Airbus, and media sector context plus 9 percent church tax.

Calculate Hessen take-home pay for 2025. German federal income tax + social contributions. Frankfurt financial sector context plus 9 percent church tax.

Calculate Illes Balears (Balearic Islands) take-home pay for 2025. Spanish IRPF + Seguridad Social. Mallorca, Ibiza, Menorca tourism economy context.

Calculate Illinois take-home pay for 2025. Federal brackets + FICA + Illinois flat 4.95 percent income tax. Includes 401(k) and HSA deductions.

Estimate Indian in-hand salary for FY 2024-25 under the New Regime. Includes the INR 75,000 standard deduction, the six income tax slabs, the 4 percent health and education cess, and EPF.

Estimate Irish PAYE net take-home pay for 2025. Includes the €44,000 standard rate band, the four USC bands, PRSI Class A at 4.1 percent, and tax credits.

Estimate Italian lavoratore dipendente net pay for 2025. Three IRPEF scaglioni plus average addizionale regionale, employee INPS FPLD contribution, and the €8,500 no-tax area.

Calculate Yukon take-home pay for 2025. Federal brackets + CPP + EI + Yukon territorial tax (6.4% to 15%). Whitehorse and mining sector context plus Northern Residents Deduction.

Calculate La Rioja take-home pay for 2025. Spanish IRPF + Seguridad Social. Logroño capital, Rioja wine region, and SME industrial context.

Calculate Lazio (Roma region) take-home pay for 2025. Italian IRPEF + Lazio regional addizionale (3.33%, highest in Italy) + Roma municipal addizionale + INPS.

Calculate Liguria take-home pay for 2025. Italian IRPEF + Liguria regional addizionale (1.23%) + INPS. Genova port, Cinque Terre tourism, Sanremo, Portofino context.

Calculate Lombardia (Milano region) take-home pay for 2025. Italian IRPEF + addizionale regionale + addizionale comunale (Milano 0.8%) + INPS. Milan economic context.

Calculate Madrid take-home pay for 2025. Spanish IRPF (estatal + autonomic Madrid baseline) + Seguridad Social trabajador. Madrid has the lowest autonomic IRPF rates among Spanish ACs.

Calculate Manitoba take-home pay for 2025. Federal brackets + CPP + EI + Manitoba 3-bracket provincial tax (10.8% to 17.4%). Includes RRSP and provincial basic personal amount.

Calculate Marche take-home pay for 2025. Italian IRPEF + Marche regional addizionale (1.23%) + INPS. Ancona, Pesaro, Ascoli Piceno economic context.

Calculate Mecklenburg-Vorpommern take-home pay for 2025. German federal income tax + social contributions. Rostock, Schwerin, Greifswald, and Baltic tourism context plus 9 percent church tax.

Calculate Michigan take-home pay for 2025. Federal brackets + FICA + Michigan flat 4.25 percent state tax. Detroit residents add 2.4 percent city tax; Grand Rapids and other MI cities add 1.0 to 1.5 percent.

Calculate Molise take-home pay for 2025. Italian IRPEF + Molise regional addizionale + INPS. Campobasso, Isernia, Adriatic Termoli, smallest Italian region context.

Calculate Murcia take-home pay for 2025. Spanish IRPF + Seguridad Social. Murcia capital, Cartagena, and agricultural/petrochemical context.

Calculate Navarra take-home pay for 2025. Navarra has its own fiscal regime (Convenio Económico) administered by Hacienda Foral. Pamplona, Volkswagen Navarra, and economic context.

Estimate Dutch net take-home pay for 2025. Uses Box 1 schijven (35.82%, 37.48%, 49.5%) and applies the algemene heffingskorting as a flat credit.

Calculate New Brunswick take-home pay for 2025. Federal brackets + CPP + EI + NB five-bracket provincial tax (9.4% to 19.5%). Includes RRSP and provincial basic personal amount.

Calculate New York take-home pay for 2025. Federal brackets + FICA + flat-rate NY state income tax approximation. NYC residents add ~3.5-3.9% local tax.

Calculate Newfoundland & Labrador take-home pay for 2025. Federal brackets + CPP + EI + NL seven-bracket provincial tax (8.7% to 21.8%). Highest combined rate in Canada at 54.8%.

Calculate Niedersachsen take-home pay for 2025. German federal income tax + social contributions. Hannover, Wolfsburg (VW), Braunschweig economic context plus 9 percent church tax.

Calculate North Carolina take-home pay for 2025. Federal brackets + FICA + NC flat 4.5 percent state income tax. Includes 401(k) and HSA deductions and scheduled rate cuts to 3.99 percent by 2027.

Calculate Northern Territory take-home pay for 2025. Federal income tax + Medicare Levy. Darwin and NT mining/defence economic context.

Calculate Northwest Territories take-home pay for 2025. Federal brackets + CPP + EI + NWT four-bracket territorial tax (5.9% to 14.05%). Yellowknife and diamond mining context.

Calculate Nova Scotia take-home pay for 2025. Federal brackets + CPP + EI + Nova Scotia five-bracket provincial tax (8.79% to 21%). Halifax tech sector context.

Calculate Nordrhein-Westfalen take-home pay for 2025. German federal income tax + social contributions. Cologne, Düsseldorf, Essen, Bonn economic context plus 9 percent church tax.

Calculate New South Wales take-home pay for 2025. Australia uses federal income tax only (no state income tax); calculator covers Stage 3 brackets + 2% Medicare levy. Sydney economic context.

Calculate Nunavut take-home pay for 2025. Federal brackets + CPP + EI + Nunavut four-bracket territorial tax (4% to 11.5%). Lowest territorial rates in Canada; includes Northern Residents Deduction context.

Calculate Ohio take-home pay for 2025. Federal brackets + FICA + Ohio's 0/2.75/3.5 percent graduated state tax. Add municipal income tax for Cleveland, Columbus, Cincinnati and other Ohio cities.

Calculate Ontario take-home pay for 2025. Federal brackets + CPP + EI + Ontario five-bracket provincial tax with surtax. Includes RRSP and BPA.

Calculate País Vasco (Basque Country) take-home pay for 2025. Concierto Económico fiscal regime administered by provincial Diputaciones. Bilbao, San Sebastián, Vitoria context.

Calculate Pennsylvania take-home pay for 2025. Federal brackets + FICA + PA flat 3.07 percent income tax. Add local Earned Income Tax for Philadelphia, Pittsburgh, and most municipalities.

Calculate Piemonte take-home pay for 2025. Italian IRPEF + Piemonte regional addizionale (1.62%) + Torino municipal addizionale (0.8%) + INPS. Stellantis Turin context.

Estimate Polish net take-home pay for 2025. Uses the 12 and 32 percent PIT brackets, the PLN 30,000 kwota wolna od podatku, and ZUS pracownik składki (emerytalna, rentowa, chorobowa, zdrowotna).

Calculate Prince Edward Island take-home pay for 2025. Federal brackets + CPP + EI + PEI five-bracket provincial tax (9.5% to 18.75%). Charlottetown economic context.

Calculate Puglia take-home pay for 2025. Italian IRPEF + Puglia regional addizionale (1.33%, low) + INPS. Bari, Lecce, Salento tourism context.

Calculate Quebec take-home pay for 2025. Federal brackets + Quebec Abatement + QC provincial (TP-1) + QPP + QPIP. Quebec runs its own tax system in parallel with the CRA.

Calculate Queensland take-home pay for 2025. Australia uses federal income tax only. Brisbane, Gold Coast, and Sunshine Coast economic context.

Calculate Rheinland-Pfalz take-home pay for 2025. German federal income tax + social contributions. Mainz BioNTech, Ludwigshafen BASF context plus 9 percent church tax.

Estimate the vested portion of a Restricted Stock Unit grant, the projected share price, and the net value after ordinary-income tax at vest.

Calculate Saarland take-home pay for 2025. German federal income tax + social contributions. Saarbruecken, Ford Saarlouis, and German-French border context plus 9 percent church tax.

Calculate Sachsen take-home pay for 2025. German federal income tax + social contributions. Dresden Silicon Saxony, Leipzig automotive, Chemnitz industrial context plus 9 percent church tax.

Calculate Sachsen-Anhalt take-home pay for 2025. German federal income tax + social contributions. Magdeburg Intel megafab context plus 9 percent church tax.

Estimate your US take-home pay for 2025 with federal income tax, Social Security, Medicare, state tax, and pre-tax deductions.

Calculate Sardegna take-home pay for 2025. Italian IRPEF + Sardegna regional addizionale (1.23%) + INPS. Cagliari, Sassari, Costa Smeralda tourism context.

Calculate Saskatchewan take-home pay for 2025. Federal brackets + CPP + EI + Saskatchewan 3-bracket provincial tax (10.5% to 14.5%). Among the most favorable Canadian provincial structures.

Calculate Schleswig-Holstein take-home pay for 2025. German federal income tax + social contributions. Kiel and Luebeck economic context plus 9 percent church tax.

Calculate Sicilia take-home pay for 2025. Italian IRPEF + Sicilia regional addizionale (1.23%, low) + INPS. Palermo, Catania, and Mediterranean tourism context.

Estimate Singapore resident net take-home pay for YA 2025. Includes the 13 resident income tax slabs and the 20 percent under-55 CPF Ordinary Wage contribution capped at S$96,000.

Calculate South Australia take-home pay for 2025. Federal income tax + Medicare Levy. Adelaide defence and wine industry context.

Estimate Spanish net take-home pay for 2025. Uses combined estatal plus autonómico IRPF rates (Madrid baseline) and the 6.35 percent employee Seguridad Social contribution.

Compare US federal student loan repayment plans side by side: Standard 10-year, Extended 25-year, IBR, PAYE, and SAVE. Returns monthly payment for each.

Estimate Swedish nettolön for 2025. Uses average kommunalskatt (32.41 percent), statlig inkomstskatt above the brytpunkt of SEK 643,100, and allmän pensionsavgift.

Estimate Swiss net take-home pay for 2025 federal direct tax (Grundtarif single), plus AHV/IV/EO and ALV employee contributions. Cantonal and municipal taxes deferred to a per-canton overlay.

Calculate Tasmania take-home pay for 2025. Federal income tax + Medicare Levy. Hobart and Launceston economic context plus tourism and aquaculture sectors.

Calculate Texas take-home pay for 2025. Texas has no state income tax, so net pay is gross minus federal tax and FICA only. Includes 401(k) and HSA deductions.

Calculate Thueringen take-home pay for 2025. German federal income tax + social contributions. Erfurt, Jena, and Carl Zeiss optics economic context plus 9 percent church tax.

Calculate Toscana (Tuscany) take-home pay for 2025. Italian IRPEF + Toscana regional addizionale (1.42%) + Firenze municipal addizionale + INPS. Florence, Pisa, Siena context.

Calculate Trentino-Alto Adige take-home pay for 2025. Italian IRPEF + TAA regional addizionale (low) + INPS. Trento, Bolzano (Sudtirol), Dolomites tourism context.

Estimate your UK take-home pay for the 2025/26 tax year. Includes the £12,570 personal allowance, basic/higher/additional rate bands, the 100k taper, and Class 1 National Insurance.

Calculate Umbria take-home pay for 2025. Italian IRPEF + Umbria regional addizionale (1.23%) + INPS. Perugia, Assisi, Spoleto, and Italian heart of Italy context.

Calculate Valle d'Aosta take-home pay for 2025. Italian IRPEF + VDA regional addizionale (low) + INPS. Aosta, Courmayeur, Mont Blanc, Italian Alps autonomous region.

Calculate Veneto take-home pay for 2025. Italian IRPEF + Veneto regional addizionale (1.23%, among Italy's lowest) + INPS. Venezia, Verona, Padova economic context.

Calculate Victoria take-home pay for 2025. Australia uses federal income tax only (no state income tax); calculator covers Stage 3 brackets + 2% Medicare levy. Melbourne economic context.

Calculate Western Australia take-home pay for 2025. Federal income tax + Medicare Levy. Perth and WA mining sector economic context.

Estimate US federal capital gains tax on a stock or investment sale. Includes long-term and short-term holding distinction and 2025 long-term brackets.

Calculate US federal gift tax using the 2025 annual exclusion ($19,000 per recipient) and the lifetime exemption ($13.99 million). Includes tax owed and lifetime exclusion remaining.

Add or remove VAT from any amount at any rate. Works for UK, EU, and any other country's value added tax. Free, instant, no signup.

Convert any text or binary data to and from Base64 in your browser.

Convert any text between every common case style: camel, Pascal, kebab, snake, CONSTANT, Title, sentence, dot, lower, and upper.

Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text.

Encode HTML reserved characters as entities or decode entities back to their original characters.

Format, validate, and minify JSON instantly in your browser.

Paste a JWT to see its header, payload, and signature.

Generate Lorem Ipsum placeholder text in any quantity, with or without the classic starting phrase.

Generate cryptographically strong random passwords with adjustable length and character pools.

Test a regular expression against any text, see matches and capture groups live.

Save text, JSON, regex, code, or config snippets with optional shareable links and expiry.

Format dense SQL into readable, multi-line statements in your browser.

Pick a source date and time and see the equivalent local time in 20 common time zones around the world.

Convert between Unix epoch timestamps and human-readable ISO 8601 dates.

Encode any string to URL-safe percent-encoding, or decode an encoded URL back to plain text.

Shorten any URL with an optional custom alias. Track clicks. Sign in to manage your links.

Generate random UUIDs (version 4) directly in your browser.

Format any XML, RSS feed, SOAP response, or SVG with proper indentation.

Generate retail and industrial barcodes in your browser. Download as PNG.

See how any color appears under the four major color vision deficiencies.

Generate complementary, analogous, triadic, tetradic, split-complementary, and monochromatic palettes from any base color.

Drop in a JPEG or PNG, get a WebP that loads faster and looks the same.

Convert between CSV and JSON in either direction, in your browser.

Upload any image and generate the full set of favicon sizes (16x16 to 512x512) for web, iOS, and PWA.

Convert between JPEG, PNG, and WebP in your browser. No upload.

Write Markdown on the left, see the rendered result on the right.

Convert Markdown to clean HTML or HTML back to Markdown, instantly in your browser.

Combine PDFs, extract a page range, or reorder and rotate pages. No upload, ever.

Generate a QR code for any URL, text, Wi-Fi credential, or contact card.

Check foreground / background contrast ratio against WCAG AA and AAA standards.

Decode the browser and OS behind any User-Agent string.

Who owns a domain, when was it registered, when does it expire?

Query any DNS record type for any domain — DoH-powered, no rate limits.

Where does email for a domain actually go? Find out in one query.

All the IPv4 subnet math, instantly. Enter an address and a prefix.

Enter any IPv4 or IPv6 address to see who owns it and where it lives.

Enter an international phone number and read public reports about it.

What hostname does an IP claim? Look up the reverse DNS PTR record.

Your public IP address, geolocation, and ISP — visible in one click.

Visualize how your page title and meta description will appear in a Google search result.

Paste any text to see word counts, the top single words, and the top two-word and three-word phrases.

Preview how your page will appear when shared on Facebook, LinkedIn, Slack, and other OG-aware platforms.

Build a clean robots.txt from a simple form, with rules for user agents and sitemap references.

Generate valid JSON-LD structured data for Organization, FAQ, Article, and BreadcrumbList.

Strip accents, punctuation, and spaces to produce a clean URL-safe slug from any title.

Count words, characters, sentences, paragraphs, and estimate reading and speaking time.

Paste a list of URLs to generate a valid XML sitemap, with per-URL priority and change-frequency.