Free Online Tools for Everyone
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Text Tools
Free online text manipulation, formatting, and analysis tools. Clean, convert, count, and transform text instantly.
Developer Tools
Free online developer utilities. Format JSON, test regex, generate UUIDs, encode/decode data, and more.
Converters
Free online file and data converters. Convert between formats quickly with no signup required.
Calculators
Free online calculators for finance, math, health, and everyday use. Get instant accurate results.
SEO Tools
Free SEO tools to optimize your website. Generate meta tags, check keywords, validate schema and more.
Generators
Free online generators for passwords, QR codes, lorem ipsum, and more. Create what you need instantly.
Popular Tools
Word Counter
Count words, characters, sentences, and paragraphs instantly. Free online word counter tool with reading time estimation. No signup required.
textJSON Formatter
Format, validate, and beautify JSON data online. Free JSON formatter with syntax highlighting, error detection, and minify option.
developerBase64 Encoder/Decoder
Encode and decode Base64 strings instantly. Free online Base64 converter tool for text and files. Works entirely in your browser.
developerUUID Generator
Generate random UUID v4 strings instantly. Bulk generate unique identifiers for databases, APIs, and testing. Free online UUID/GUID generator.
developerJSON to CSV Converter
Convert JSON data to CSV format instantly. Free online JSON to CSV converter with download option. Handles nested objects and arrays.
convertersPassword Generator
Generate strong, random passwords instantly. Customize length, include symbols, numbers, and uppercase letters. Free secure password generator.
generatorsColor Converter
Convert colors between HEX, RGB, HSL, and CMYK formats instantly. Free online color converter with live preview and copy-to-clipboard.
convertersPercentage Calculator
Calculate percentages easily. Find percentage of a number, percentage change, percentage difference, and more. Free online percentage calculator.
calculatorsLorem Ipsum Generator
Generate lorem ipsum placeholder text for your designs. Choose paragraphs, sentences, or words. Copy formatted placeholder text instantly.
generatorsRegex Tester
Test and debug regular expressions in real-time. See matches highlighted, capture groups extracted, and get explanations. Free online regex tester.
developerCharacter Counter
Count characters, letters, digits, spaces, and special characters in your text. Free online character counter with detailed breakdown.
textText Case Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, and kebab-case instantly.
textRemove Duplicate Lines
Remove duplicate lines from text instantly. Keep unique lines with case-sensitive or case-insensitive matching. Free online tool.
textRemove Line Breaks
Remove line breaks and join text into a single line or paragraph. Replace newlines with spaces, commas, or nothing.
textText Diff
Compare two texts and see differences highlighted. Find added, removed, and unchanged lines side by side. Free online diff tool.
textFind and Replace
Find and replace text with support for case sensitivity and regex. See replacements in real-time. Free online find and replace tool.
textReverse Text
Reverse text by characters, words, or lines. Create mirror text, flip word order, or reverse line order instantly.
textSort Lines
Sort lines alphabetically, numerically, ascending or descending. Options for case sensitivity and blank line removal.
textAdd Line Numbers
Add line numbers to text. Customize start number, separator, and zero-padding. Free online line numbering tool.
textStrip HTML Tags
Remove HTML tags from text and extract plain text content. Options to preserve links and line breaks.
textJSON Minifier
Minify JSON by removing whitespace and formatting. Reduce file size instantly. Shows bytes saved. Free online JSON compressor.
developerURL Encoder/Decoder
Encode or decode URL strings. Converts special characters to percent-encoding and back. Free online URL encoder/decoder.
developerHTML Entity Encoder
Encode HTML special characters to entities or decode entities back to characters. Prevent XSS and display HTML safely.
developerHash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text. Uses browser's Web Crypto API for secure hashing.
developerJWT Decoder
Decode JWT tokens to see header and payload. Check expiration status. No data sent to server. Free online JWT decoder.
developerCron Expression Generator
Generate cron expressions with an interactive builder. Presets for common schedules. Human-readable descriptions included.
developerSQL Formatter
Format and beautify SQL queries online. Supports MySQL, PostgreSQL, T-SQL, and standard SQL. Free SQL beautifier.
developerCSS Minifier
Minify CSS by removing comments, whitespace, and unnecessary characters. Reduce CSS file size instantly.
developerHTML Beautifier
Beautify and format HTML with proper indentation. Fix messy HTML into readable, well-structured code. Free online tool.
developerUnix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Shows current Unix time live. Handles seconds and milliseconds.
developerCSV to JSON Converter
Convert CSV data to JSON format instantly. Headers become keys. Free online CSV to JSON converter with copy and download.
convertersYAML to JSON Converter
Convert YAML to JSON format instantly. Handles nested structures, arrays, and all YAML types. Free online converter.
convertersJSON to YAML Converter
Convert JSON to YAML format instantly. Clean, readable YAML output. Free online JSON to YAML converter.
convertersXML to JSON Converter
Convert XML to JSON format online. Handles attributes, nested elements, and repeated tags. Free XML to JSON converter.
convertersMarkdown to HTML Converter
Convert Markdown to HTML with live preview. Supports headings, lists, code blocks, links, and more. Free converter.
convertersNumber Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. See all bases at once. Free online base converter.
convertersTemperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly. Free online temperature conversion calculator.
convertersLength Converter
Convert between length units including meters, feet, inches, miles, kilometers, yards, and more. Free online converter.
convertersWeight Converter
Convert between weight units including kilograms, pounds, ounces, grams, tons, and stone. Free online converter.
convertersSpeed Converter
Convert between speed units including km/h, mph, m/s, ft/s, and knots. Free online speed conversion calculator.
convertersCompound Interest Calculator
Calculate compound interest with different compounding frequencies. See total amount, interest earned, and growth over time.
calculatorsEMI Calculator
Calculate monthly EMI for home loans, car loans, and personal loans. See total interest and payment breakdown.
calculatorsSIP Calculator
Calculate SIP (Systematic Investment Plan) returns. See future value, total investment, and estimated returns.
calculatorsBMI Calculator
Calculate your BMI (Body Mass Index) using metric or imperial units. See your weight category and health classification.
calculatorsAge Calculator
Calculate your exact age in years, months, and days. Also shows total months, weeks, days, and days until next birthday.
calculatorsDiscount Calculator
Calculate discount amount, final price after discount, and how much you save. Works with any percentage off.
calculatorsProfit Margin Calculator
Calculate profit margin, markup percentage, and profit from cost and selling price. Understand your pricing instantly.
calculatorsTip Calculator
Calculate tip amount, total bill, and split between multiple people. Quick preset buttons for common tip percentages.
calculatorsLoan Calculator
Calculate monthly loan payments, total interest, and total amount paid. Works for mortgages, auto loans, and personal loans.
calculatorsGPA Calculator
Calculate your GPA from course grades and credit hours. Supports standard US 4.0 scale with plus/minus grades.
calculatorsMeta Tag Generator
Generate meta tags for your website with live Google search preview. Create title, description, keywords, robots, and viewport meta tags.
seoRobots.txt Generator
Generate a robots.txt file for your website. Common directives, custom rules, crawl delay, and sitemap URL support.
seoSitemap Generator
Generate XML sitemaps from a list of URLs. Set change frequency, priority, and last modified dates. Copy or download the output.
seoSchema Markup Generator
Generate JSON-LD schema markup for Article, Product, FAQ, LocalBusiness, and Organization types. Improve your search results.
seoKeyword Density Checker
Check keyword density in your content. See keyword count, density percentage, and top frequent words. Free SEO content analyzer.
seoOpen Graph Preview
Preview how your page looks when shared on Facebook and Twitter. Generate Open Graph and Twitter Card meta tags with live preview.
seoSlug Generator
Generate clean, SEO-friendly URL slugs from text. Options for separator, lowercase, stop word removal, and max length.
seoHeading Hierarchy Checker
Analyze your HTML heading structure. Detect issues like multiple H1s, skipped levels, and empty headings. Visualize the hierarchy.
seoWord Count for SEO
Analyze content for SEO readability. Get word count, reading time, Flesch score, sentence analysis, and SEO recommendations.
seoGST Calculator
Calculate GST inclusive and exclusive amounts. Shows CGST, SGST breakdown for 5%, 12%, 18%, and 28% GST rates.
calculatorsIncome Tax Calculator
Calculate income tax under India's new tax regime FY2024-25. See slab-wise breakdown, cess, and effective tax rate.
calculatorsHRA Calculator
Calculate HRA exemption under Indian income tax rules. Shows all 3 rules and the minimum exemption amount.
calculatorsGratuity Calculator
Calculate gratuity using the formula (15 × Last Drawn Salary × Years of Service) / 26. Check eligibility instantly.
calculatorsPPF Calculator
Calculate PPF maturity amount with year-by-year breakdown. See total investment, interest earned, and maturity value.
calculatorsNPS Calculator
Calculate NPS corpus at retirement. See lump sum (60%), annuity (40%), and estimated monthly pension.
calculatorsFD Calculator
Calculate fixed deposit maturity amount with different compounding frequencies. See interest earned on your FD investment.
calculatorsRD Calculator
Calculate recurring deposit maturity amount. Enter monthly deposit, interest rate, and tenure to see returns.
calculatorsSalary Breakup Calculator
Convert CTC to in-hand salary. See breakdown of basic, HRA, special allowance, PF deduction, and net take-home pay.
calculatorsTDS Calculator
Calculate TDS deduction based on section (194A, 194C, 194J, 194H, etc). Shows TDS amount and net payment.
calculatorsFreelance Rate Calculator
Calculate your freelance hourly, daily, and monthly rates based on desired income, expenses, taxes, and billable hours.
calculatorsBreak-Even Calculator
Calculate your break-even point in units and revenue. Input fixed costs, variable costs, and selling price.
calculatorsROI Calculator
Calculate ROI percentage, net profit, and annualized return on investment. Simple and accurate ROI formula.
calculatorsSaaS MRR Calculator
Calculate MRR, ARR, net growth, and months to target. Factor in churn and new customer acquisition.
calculatorsCommission Calculator
Calculate sales commission with flat rate or tiered structure. See commission earned and net amount to company.
calculatorsStartup Runway Calculator
Calculate startup runway in months. Factor in monthly burn rate and revenue to see when cash runs out.
calculatorsPricing Calculator
Calculate selling price from cost and desired margin, or find your margin from selling price and cost. Two modes in one tool.
calculatorsPayroll Calculator
Calculate net pay after federal tax, Social Security, Medicare, health insurance, and 401(k) deductions.
calculatorsInvoice Generator
Create professional invoices with line items, tax calculation, and print-ready layout. No signup required.
generatorsQuotation Generator
Create professional quotations with line items, validity date, terms, and printable layout. Free online tool.
generatorsWhy Use WebTools?
WebTools provides hundreds of free online utilities that work entirely in your browser. Whether you need to format JSON, count words, generate passwords, convert colors, or calculate percentages — we have you covered. All tools are fast, private (no data leaves your device), and require no account to use.