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SEO Tools
69 toolsDuplicate Content CheckerCompare two texts and see exactly how similar they are.Keyword Difficulty CheckerEstimate how hard a keyword is to rank for.SEO Audit ToolScan a page for on-page SEO issues.Schema Markup GeneratorGenerate JSON-LD structured data for any page type.Domain Rating CheckerCheck a domain's authority and backlink strength.Meta Title GeneratorCreate SEO-optimized meta titles with the right length.Anchor Text CheckerAudit your link anchor text for SEO quality.Canonical URL CheckerVerify your canonical tag is present, unique, and correct.Disavow File GeneratorBuild a clean Google disavow file from a messy link list.Dofollow CheckerCheck whether a link passes PageRank (dofollow).Duplicate Title CheckerFind duplicate and out-of-range page titles in bulk.Heading CheckerAudit your H1-H6 structure for SEO and accessibility.Hreflang Tag GeneratorGenerate correct hreflang alternate links for multilingual pages.Internal Link GeneratorCreate natural anchor-text variations for internal links in one click.JSON-LD Schema GeneratorGenerate valid schema.org JSON-LD for WebSite, Article, FAQ, Product, and more.Keyword Density CheckerCheck keyword density and top terms in any article.Meta Description GeneratorWrite SERP-ready meta descriptions that stay within 160 characters.Mobile Friendly CheckerCheck your HTML for mobile-friendliness basics.Nofollow CheckerCheck whether a link has rel=nofollow.Open Graph Image Generator (SVG)Design a 1200×630 OG share image as clean, editable SVG.robots.txt GeneratorCreate a clean robots.txt with disallow rules, crawl delay, and sitemap reference.XML Sitemap GeneratorBuild a valid XML sitemap from a list of paths in one click.URL Slug GeneratorTurn any page title into a clean, SEO-friendly URL slug.Title Tag CheckerCheck your <title> tag for SEO basics.Citation GeneratorGet a copy-ready NAP block, 10 major US citation directories, and a consistency checklist.Duplicate Meta Description CheckerSpot identical meta descriptions and titles across a batch of pages.Featured Snippet CheckerSee if your page is shaped to win the position-zero snippet.Google Snippet Preview (Mobile)See your snippet on a mobile Google results page and as a featured-style snippet.Image Optimization CheckerAudit your page HTML for slow, shifting, and inaccessible images.Local Keyword GeneratorBuild a local-SEO keyword sheet for any service and city in one click.Long-Tail Keyword GeneratorTurn one seed keyword into 15-25 long-tail phrases tuned to your search intent.LSI Keyword GeneratorMap any seed keyword to related terms, questions, and long-tails in your browser.Meta Tag PreviewPaste your page's raw HTML and see which meta tags Google would pick up.Title & Meta Description CheckerCatch missing or mistitled titles and meta descriptions before the SERP does.Page Weight CheckerEstimate how heavy your page is from its HTML source alone.Rich Snippet TesterValidate your JSON-LD markup for rich results before Google sees it.Google SERP PreviewPreview how your page looks in Google results before publishing.Thin Content CheckerFind out whether your page has enough real text to rank.Topic Cluster GeneratorDraft a pillar page and its supporting cluster articles in seconds.Voice Search OptimizerTurn a spoken question into a 40–60 word voice-ready answer plus FAQPage JSON-LD.Favicon GeneratorTurn 1–2 letters or an emoji into a full set of favicon PNGs, entirely in your browser.Free Disavow File GeneratorBuild a Google disavow file from a messy link list. No account, no limits, no watermark.Disavow File Generator OnlineBuild a Google disavow file from a messy link list. Runs in any browser, no install.Free JSON-LD Schema GeneratorGenerate valid schema.org JSON-LD for your page. No account, no limits, no watermark.Free Keyword Density CheckerCheck keyword density and top terms in any article. No account, no limits, no watermark.Keyword Density Checker OnlineCheck keyword density and top terms in any article. Runs in any browser, no install.Free Local Keyword GeneratorLocal-SEO keyword sheet for a service and city. No account, no limits, no watermark.Free Long-Tail Keyword GeneratorTurn a seed keyword into 15-25 long-tail phrases. No account, no limits, no watermark.Long-Tail Keyword Generator OnlineTurn a seed keyword into 15-25 long-tail phrases. Runs in any browser, no install.Free LSI Keyword GeneratorMap a seed keyword to related terms and long-tails. No account, no limits, no watermark.LSI Keyword Generator OnlineMap a seed keyword to related terms and long-tails. Runs in any browser, no install.Free Meta Description GeneratorWrite a meta description within 160 characters. No account, no limits, no watermark.Meta Description Generator OnlineWrite a meta description within 160 characters. Runs in any browser, no install.Free Meta Title GeneratorCreate meta titles with the right length. No account, no limits, no watermark.Meta Title Generator OnlineCreate meta titles with the right length. Runs in any browser, no install.Free Mobile Friendly CheckerCheck your HTML for mobile-friendliness basics. No account, no limits, no watermark.Mobile Friendly Checker OnlineCheck your HTML for mobile-friendliness basics. Runs in any browser, no install.Free Open Graph Image Generator (SVG)Design a 1200×630 OG share image as editable SVG. No account, no limits, no watermark.Open Graph Image Generator (SVG) OnlineDesign a 1200×630 OG share image as editable SVG. Runs in any browser, no install.Free robots.txt GeneratorBuild a robots.txt with disallow rules and sitemap. No account, no limits, no watermark.robots.txt Generator OnlineBuild a robots.txt with disallow rules and sitemap. Runs in any browser, no install.Free Google SERP PreviewPreview your page's Google result before publishing. No account, no limits, no watermark.Google SERP Preview OnlinePreview your page's Google result before publishing. Runs in any browser, no install.Free XML Sitemap GeneratorBuild a valid XML sitemap from a list of paths. No account, no limits, no watermark.XML Sitemap Generator OnlineBuild a valid XML sitemap from a list of paths. Runs in any browser, no install.Free URL Slug GeneratorTurn a page title into a clean, SEO-friendly slug. No account, no limits, no watermark.URL Slug Generator OnlineTurn a page title into a clean, SEO-friendly slug. Runs in any browser, no install.Free Title Tag CheckerCheck your <title> tag for SEO basics. 100% free — no sign-up, no limits, no watermark.Title Tag Checker OnlineCheck your <title> tag for SEO basics. Use it online — no install, works in any browser.
Calculators
106 toolsROI CalculatorCalculate return on investment for any project.CAC CalculatorCalculate customer acquisition cost.LTV CalculatorEstimate customer lifetime value.Unit Economics CalculatorModel revenue, cost, and margin per unit.Churn Rate CalculatorCalculate customer or revenue churn.COGS CalculatorCalculate cost of goods sold.Debt to Equity CalculatorCalculate the debt-to-equity ratio.Break Even CalculatorFind your break-even point in units and revenue.Cap Table CalculatorModel founder and investor ownership across rounds.Equity Dilution CalculatorSee how a funding round dilutes ownership.Revenue Multiple CalculatorEstimate startup valuation from ARR and growth.Convertible Note CalculatorModel how a convertible note converts to equity.Burn Rate CalculatorCalculate gross/net burn and cash runway.Angel Investment CalculatorSize an angel round and its ownership impact.Profit Margin CalculatorCalculate gross, net, and markup margins from revenue and cost.Annual to Monthly Salary ConverterConvert an annual salary into monthly, weekly, and hourly amounts.CAGR CalculatorCalculate the compound annual growth rate between two values.Cash Flow CalculatorSee your monthly net cash flow, ending cash, and how long your runway lasts.Commission CalculatorCalculate the commission earned on any sale at your rate.EBITDA CalculatorCalculate EBITDA and EBITDA margin from your income statement.Hourly to Salary ConverterTurn an hourly rate into weekly, monthly, and annual salary.Markup CalculatorSee how much you mark up your cost and whether your pricing is thin, healthy, or premium.Overtime Pay CalculatorCalculate regular pay, overtime at 1.5x, and total pay over any number of weeks.Rule of 72 CalculatorEstimate how long money takes to double at a given annual rate.Sales Tax CalculatorAdd sales tax to a pre-tax amount and see the tax and total due.VAT CalculatorAdd VAT to a net price and see the tax, gross price, and net price.Working Capital CalculatorCalculate net working capital and the current ratio for liquidity.Contractor vs Employee Cost CalculatorCompare the fully loaded annual cost of the same hours as an employee versus a contractor.Contribution Margin CalculatorWork out how much of each revenue dollar contributes to covering fixed costs and profit.Cover Letter GeneratorGenerate a three-paragraph cover letter from your skills and the job.Current Ratio CalculatorCheck your short-term liquidity — can current assets cover current liabilities?Employee Cost CalculatorSee the real annual, monthly, and hourly cost of an employee — salary plus employer costs.Gross Margin CalculatorFind your gross profit and gross margin to see how much revenue survives direct costs.Interview Question GeneratorGenerate real interview questions for 8 roles and 3 experience levels.Inventory Turnover CalculatorSee how fast your stock sells, in turns per year and days of inventory.Invoice Late Fee CalculatorCalculate the daily and total late fee on an overdue invoice, and the new balance due.Leave Letter GeneratorGenerate a formal leave request letter for any leave type.Net Margin CalculatorSee what share of every revenue dollar ends up as actual profit after everything is paid.Operating Margin CalculatorMeasure your EBIT margin — the profit your operations generate before interest and tax.Price Increase CalculatorFind the new price that hits your target margin and see exactly how much you'd be raising.Resignation Letter GeneratorGenerate a formal resignation letter tailored to your reason.Work Schedule CalculatorTurn daily hours and an hourly rate into weekly and annual hours and pay.50-30-20 Rule CalculatorSplit your monthly take-home pay into the 50-30-20 budget: needs, wants, and savings.Crypto Capital Gains Calculator (India)Estimate Indian capital gains tax on a crypto sale.Compound Interest CalculatorProject a lump sum with simple or compound interest and monthly contributions.EMI Calculator (Business Loan)Compute the EMI, total interest, and total payment for a business loan in ₹.GST Calculator for Small BusinessAdd Indian GST to a price, or back it out of an inclusive price.GST Input Tax Credit CalculatorOffset input GST against output GST to see the net payable, in INR.MRR CalculatorTurn customer count and price into MRR, ARR, and next month's churned MRR.Runway CalculatorSee how many months of cash you have left at your current burn.SAFE Note CalculatorEstimate the conversion price and stake a SAFE earns at a cap-priced next round.Seed Funding CalculatorSize your pre-seed, seed, or Series A round from burn, runway, and a reserve buffer.Startup Cost CalculatorAdd up team payroll, office, tools, and marketing into a monthly and first-year budget.Startup Valuation CalculatorEstimate a fair valuation range from ARR, growth, and stage.VC Investment CalculatorCompute investor ownership, post-money, and value per $1M from a priced round.Free Annual to Monthly Salary ConverterAnnual salary to monthly, weekly, hourly. No account, no limits, no watermark.Annual to Monthly Salary Converter OnlineAnnual salary to monthly, weekly, hourly. Runs in any browser, no install.Free Cash Flow CalculatorMonthly net cash flow, ending cash, runway. No account, no limits, no watermark.Cash Flow Calculator OnlineMonthly net cash flow, ending cash, runway. Runs in any browser, no install.Free Commission CalculatorCommission on any sale at your rate. No account, no limits, no watermark.Commission Calculator OnlineCommission on any sale at your rate. Runs in any browser, no install.Free Compound Interest CalculatorLump sum with simple or compound interest. No account, no limits, no watermark.Compound Interest Calculator OnlineLump sum with simple or compound interest. Runs in any browser, no install.Free Cover Letter GeneratorThree-paragraph cover letter generator. No account, no limits, no watermark.Cover Letter Generator OnlineThree-paragraph cover letter generator. Runs in any browser, no install.Free EMI Calculator (Business Loan)EMI, total interest, and payment in ₹. No account, no limits, no watermark.EMI Calculator (Business Loan) OnlineEMI, total interest, and payment in ₹. Runs in any browser, no install.Free Employee Cost CalculatorReal employee cost: salary plus employer load. No account, no limits, no watermark.Employee Cost Calculator OnlineReal employee cost: salary plus employer load. Runs in any browser, no install.Free Gross Margin CalculatorGet gross profit and margin from revenue and cost. No account, no limits, no watermark.Gross Margin Calculator OnlineGet gross profit and margin from revenue and cost. Runs in any browser, no install.Free GST Calculator for Small BusinessAdd Indian GST to a price, or back it out of one. No account, no limits, no watermark.GST Calculator for Small Business OnlineAdd Indian GST to a price, or back it out of one. Runs in any browser, no install.Free Hourly to Salary ConverterTurn an hourly rate into a full salary breakdown. No account, no limits, no watermark.Hourly to Salary Converter OnlineTurn an hourly rate into a full salary breakdown. Runs in any browser, no install.Free Interview Question GeneratorReal interview questions for 8 roles and 3 levels. No account, no limits, no watermark.Interview Question Generator OnlineReal interview questions for 8 roles and 3 levels. Runs in any browser, no install.Free Invoice Late Fee CalculatorGet daily and total late fees on an overdue invoice. No account, no limits, no watermark.Free Markup CalculatorSee your markup, profit per unit, and profit margin. No account, no limits, no watermark.Markup Calculator OnlineSee your markup, profit per unit, and profit margin. Runs in any browser, no install.Free Overtime Pay CalculatorSee regular pay, overtime at 1.5x, and total pay. No account, no limits, no watermark.Overtime Pay Calculator OnlineSee regular pay, overtime at 1.5x, and total pay. Runs in any browser, no install.Free Price Increase CalculatorFind the new price that hits your target margin. No account, no limits, no watermark.Price Increase Calculator OnlineFind the new price that hits your target margin. Runs in any browser, no install.Free Profit Margin CalculatorGet gross, net, markup margins from your numbers. No account, no limits, no watermark.Profit Margin Calculator OnlineGet gross, net, markup margins from your numbers. Runs in any browser, no install.Free Resignation Letter GeneratorA resignation letter tailored to your reason. No account, no limits, no watermark.Resignation Letter Generator OnlineA resignation letter tailored to your reason. Runs in any browser, no install.Free Sales Tax CalculatorAdd sales tax to a pre-tax amount and see the total. No account, no limits, no watermark.Sales Tax Calculator OnlineAdd sales tax to a pre-tax amount and see the total. Runs in any browser, no install.Free VAT CalculatorAdd VAT to a net price and see the tax and total. No account, no limits, no watermark.VAT Calculator OnlineAdd VAT to a net price and see the tax and total. Runs in any browser, no install.Free Work Schedule CalculatorTurn daily hours and a rate into weekly, annual pay. No account, no limits, no watermark.Work Schedule Calculator OnlineTurn daily hours and a rate into weekly, annual pay. Runs in any browser, no install.Business Plan Template GeneratorA one-page business plan with summary, problem, solution, market, and the funding ask.Car Loan CalculatorEstimate your monthly car loan payment (EMI) from price, down payment, rate, and term.Discount CalculatorFind the final price, savings, and effective rate on any discount.Fixed Deposit CalculatorProject your fixed deposit's maturity amount, total interest, and effective APY.India Income Tax CalculatorEstimate your FY 2025-26 income tax under the new or old regime.Proposal Template GeneratorA six-section client proposal with the budget formatted as a dollar figure.Quote Template GeneratorA plain-text quote with a line-item table, computed amounts, and a summed total.Recommendation Letter GeneratorA formal recommendation letter for job, academic, or general use.SIP CalculatorEstimate the future value of a monthly SIP with monthly compounding.SWOT Analysis TemplateA four-quadrant SWOT worksheet with item counts and a focus line.Timesheet TemplateA weekly timesheet with an aligned table and a summed TOTAL HOURS row.Tip CalculatorWork out the tip, the total to pay, and each person's share of a split bill.
Text Tools
21 toolsOCR - Image to TextExtract text from images and screenshots.Text CompareCompare two texts and highlight every difference.Text to HashGenerate MD5, SHA-1, SHA-256, and more from text.Word CounterCount words, characters, sentences, and reading time.Text Case ConverterConvert text to UPPERCASE, lowercase, Title Case, camelCase, and more.Character Counter & AnalyzerCount characters, unique characters, and find the most frequent one.Text Encoding ConverterConvert text to hex, octal, decimal, Base64, UTF-16LE, or UTF-32LE — and back.Remove Duplicate LinesDrop exact duplicate lines while keeping the first occurrence of each.Sort LinesSort your pasted lines A→Z, by number, or by length.Text to Slug GeneratorTurn any title or phrase into a clean, lowercase, hyphen-separated slug.Free Text Case ConverterConvert text between eight case styles in one click. No account, no limits, no watermark.Text Case Converter OnlineConvert text between eight case styles in one click. Runs in any browser, no install.Free Remove Duplicate LinesDrop duplicate lines, keeping the first occurrence. No account, no limits, no watermark.Remove Duplicate Lines OnlineDrop duplicate lines, keeping the first occurrence. Runs in any browser, no install.Free Sort LinesSort your pasted lines A→Z, by number, or by length. No account, no limits, no watermark.Sort Lines OnlineSort your pasted lines A→Z, by number, or by length. Runs in any browser, no install.Free Text to Slug GeneratorTurn a title or phrase into a clean URL slug. No account, no limits, no watermark.Text to Slug Generator OnlineTurn a title or phrase into a clean URL slug. Runs in any browser, no install.Free Word CounterCount words, characters, sentences, and reading time. No account, no limits, no watermark.Word Counter OnlineCount words, characters, sentences, and reading time. Runs in any browser, no install.Text SummarizerExtract the most important sentences from any text in your browser.
Developer Tools
33 toolsBase64 Encoder / DecoderEncode and decode Base64, with URL-safe mode.URL Query String BuilderBuild and parse URL query strings.Password Hash GeneratorGenerate and compare password hashes.Code DiffDiff two code snippets with word-level detail.UUID GeneratorGenerate UUID v4 and v7 in batches, with prefixes.Base64 Data URI GeneratorTurn text, CSS, JS, JSON, or SVG into a data:<mime>;base64, URI — UTF-8 safe.Cron Next Run CalculatorSee exactly when your 5-field cron expression fires next — to the minute.JSON Compare (Diff)Deep-diff two JSON documents: added, removed, and changed paths with old → new values.JSON to Code GeneratorInfer a typed data model from a JSON sample — Python, Rust, C#, Java, Go, or GraphQL.JWT Decoder & Expiry CheckerDecode a JWT's header and payload and check its exp claim against the current time.SQL Case ConverterRe-case SQL keywords to UPPERCASE, lowercase, or Title Case — strings untouched.SQL FormatterReformats messy SQL: uppercased keywords, one clause per line, indented subqueries.Unix Timestamp ConverterTurn a Unix timestamp into human-readable local, ISO 8601, and UTC dates in one step.URL ValidatorCheck a URL's scheme, host, port, query, fragment, and length.Free Base64 Data URI GeneratorTurn text, CSS, or SVG into a base64 data URI. No account, no limits, no watermark.Base64 Data URI Generator OnlineTurn text, CSS, or SVG into a base64 data URI. Runs in any browser, no install.Free Cron Next Run CalculatorSee when your 5-field cron expression fires next. No account, no limits, no watermark.Cron Next Run Calculator OnlineSee when your 5-field cron expression fires next. Runs in any browser, no install.Free JWT Decoder & Expiry CheckerDecode a JWT and check its exp claim and alg. No account, no limits, no watermark.JWT Decoder & Expiry Checker OnlineDecode a JWT and check its exp claim and alg. Runs in any browser, no install.Free SQL FormatterFormat SQL: uppercase keywords, one clause per line. No account, no limits, no watermark.SQL Formatter OnlineFormat SQL: uppercase keywords, one clause per line. Runs in any browser, no install.Free Unix Timestamp ConverterConvert a Unix timestamp to local, ISO 8601, and UTC. No account, no limits, no watermark.Unix Timestamp Converter OnlineConvert a Unix timestamp to local, ISO 8601, and UTC. Runs in any browser, no install.Free UUID GeneratorGenerate UUID v4 and v7 in batches, with prefixes. No account, no limits, no watermark.UUID Generator OnlineGenerate UUID v4 and v7 in batches, with prefixes. Runs in any browser, no install.JSON FormatterFormat or validate JSON with 1, 2, or 4-space or tab indentation.JSON ValidatorPaste JSON to get a five-check report: validity, shape, duplicates, depth, size.MD5 & SHA-256 Hash GeneratorCompute MD5 and SHA-256 digests of any text in your browser.Password GeneratorGenerate a reproducible password from a length, character set, and seed.Random Number GeneratorGenerate a reproducible set of random integers between any two bounds.Regex GeneratorGenerate regular expressions for email, phone, URL, dates, IPv4, ZIP, semver.URL Encoder & DecoderEncode or decode text as percent-encoding, URL-unsafe form, or Base64.
Converters
6 toolsID / Passport Photo MakerTurn any photo into a compliant ID or passport photo.Image ConverterConvert between JPG, PNG, WEBP, and HEIC.JSON to CSVConvert JSON arrays to CSV tables.XML to JSONConvert XML to clean, structured JSON.Markdown to PDFRender Markdown to a downloadable PDF.Text to ImageTurn plain text into a shareable PNG image, entirely in your browser.