Average Calculator
Calculate the arithmetic mean of a list of numbers, with the sum, median, mode, range, geometric mean, and variance included. Supports weighted averages and average time.
LaunchFree Online Tools
Discover a growing collection of free online tools and technology utilities designed to help you work faster and accomplish everyday tasks. Convert and compress files, edit images, generate useful content, format text and code, and access practical tools directly from your browser.
All Tools
Showing 38 toolsQR Code Generator
Generate scannable QR codes for URLs, text, WiFi, email, phone, SMS, and vCards with custom colors, a center logo, and PNG or SVG export, all in your browser.
LaunchImage Format Converter
Convert and resize JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, ICO, PDF, SVG and HEIC in your browser - bulk 2-in-1 converter + resizer with per-image select, WASM AVIF, fullscreen progress and local processing.
LaunchUnix Timestamp Converter
Convert Unix timestamps to readable dates and back. Supports seconds, milliseconds, microseconds and nanoseconds with UTC, local and ISO output.
LaunchJWT Decoder
Decode JSON Web Token headers and payload claims locally so developers can inspect token contents without uploading them.
LaunchMD5 Hash Generator
Generate MD5 hashes from text or files in your browser, with hex and base64 output.
LaunchMarkdown to HTML
Convert Markdown to clean HTML in your browser, with live preview, code highlighting, tables, task lists, footnotes, and math. Copy or download the result.
Launch301 Redirect Generator
Build 301 redirects for Apache, Nginx, Netlify, Vercel, Cloudflare, Next.js, IIS and CSV. Paste bulk URLs, validate chains and duplicates, and copy ready rules.
LaunchDays Between Dates
Calculate the exact number of days between two calendar dates, with options for inclusive counting and business days only.
LaunchYAML Formatter & Validator
Format YAML with consistent indentation and validate common YAML syntax and structure errors.
LaunchHTML Formatter
Format, validate, and minify HTML in your browser, then copy or download the result.
LaunchColor Converter
Convert HEX, RGB, HSL, CMYK, and common CSS color names, then copy the values used in stylesheets.
LaunchColor Palette Generator
Pick a base color, preview harmony palettes and a 100-900 shade scale, then copy HEX, CSS or Tailwind values.
LaunchColor Picker
Upload an image and sample colors with a zoom square or your browser color loupe, or use the native browser picker and HEX values. Copy HEX, RGB, or HSL values for CSS and design work.
LaunchCron Expression Generator
Pick a preset or set each field, then copy the cron expression, plain-English schedule, and next run times.
LaunchFraction Calculator
Add, subtract, multiply, or divide two fractions. Enter whole-number numerators and denominators, pick +, -, *, or /, and press Calculate to get the answer reduced to lowest terms, shown as a mixed number and a decimal when appropriate, with the working steps underneath.
LaunchAge Calculator
Compare a birth date with any date to get calendar years, months, days, and total elapsed days.
LaunchPassword Generator
Create strong random passwords in your browser with length, character set, and ambiguity controls.
LaunchCSS Formatter
Turn minified or messy stylesheets into readable, consistently indented CSS in your browser.
LaunchJSON Minifier
Minify pasted JSON, see how many characters were removed, and copy the compact output or download it as minified.json.
LaunchRemove Duplicate Lines
Remove repeated lines from pasted text while keeping each first occurrence. Toggle case-sensitive and trim matching as needed.
LaunchCanonical URL Generator
Turn a page URL into a copy-ready rel=canonical link tag. Add https:// automatically, and control lowercase and trailing-slash output.
LaunchBMI Calculator
Calculate BMI, see the standard adult category, and estimate the reference weight range for your entered height.
LaunchJSON Formatter & Validator
Format, compact, or validate JSON in your browser with live output, line numbers, folding, search, and adjustable font size. Copy or download the result.
LaunchWord Counter
Count words, characters, sentences, and paragraphs as you type or paste. Choose a reading speed for reading time, review the most frequent words, and set a word target to track progress.
LaunchRoman Numeral Converter
Convert whole numbers from 1 to 3999 into Roman numerals, or turn Roman numerals like MMXXIV back into numbers.
LaunchSHA-256 Hash Generator
Hash text or a local file with SHA-256 entirely in your browser. Copy the digest as lowercase hex, uppercase hex, or base64.
LaunchBMR Calculator
Estimate your basal metabolic rate in kcal per day from age, sex, height, and weight, using the Mifflin-St Jeor, Revised Harris-Benedict, or Katch-McArdle equation, with a daily calorie table for five activity levels.
LaunchXML Formatter & Validator
Format XML with readable indentation and check XML syntax for common structural errors.
LaunchPercentage Change Calculator
Calculate the percentage increase or decrease between two values, with the step-by-step formula, the percent difference, and a reverse mode that finds the original value. Free and private.
LaunchTXT to PDF Converter
Convert plain text into a downloadable PDF in your browser. Paste text or drop a .txt file and set page size, margins, font, line spacing, alignment, headers, footers and page numbers.
LaunchJSON Viewer
Explore JSON in an interactive tree with search, node paths, type labels, and copy options. Everything runs in your browser.
LaunchCSS Minifier
Minify CSS in your browser by removing comments and safe whitespace, then copy or download the compact result.
LaunchText Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, dot.case and more, then clean it up with one-click text operations and download the result as a .txt file.
LaunchEmail Extractor
Paste any text and instantly extract all email addresses. Deduplicate, sort, filter and export to TXT or CSV right in your browser.
LaunchHTML Minifier
Minify HTML in your browser by removing comments and extra whitespace, then copy or download the compact result.
LaunchIP Address Info
Check IPv4 and IPv6 address details: location, ISP, ASN, hostname, timezone. Detect private and reserved ranges, then copy or download the report.
LaunchRandom String Generator
Generate random alphanumeric strings with configurable length and character sets - runs locally in your browser.
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