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URL Canonicalizer & Normalizer

URL Canonicalizer & Normalizer Normalize URLs to their canonical form following RFC 3986 standards. This tool applies configurable normalization steps — lowercase scheme and host, remove default ports, sort query parameters, resolve dot segments, and more — with side-by-side comparison and diff highlighting to show exactly what changed. How to Use Enter one or more ...

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Bencode Encoder / Decoder

Bencode Encoder / Decoder Encode JSON to Bencode format or decode Bencode back to JSON instantly. Bencode is the serialisation format used by BitTorrent for .torrent files and the DHT protocol. Paste Bencode input to decode it into readable JSON, or paste JSON to encode it into compact Bencode — all client-side with no data ...

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ROI (Return on Investment) Calculator

ROI Calculator Calculate return on investment instantly. Enter your initial investment and final value to see ROI percentage, annualized returns (CAGR), break-even timeline, and compare up to three investment scenarios side by side. All calculations update in real-time as you type. How to Use Enter your initial investment amount and either the final value or ...

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Salary to Hourly Rate Calculator

Salary to Hourly Rate Calculator Convert between annual salary, monthly, bi-weekly, weekly, daily, and hourly pay rates instantly. Configure work hours per day, days per week, and paid leave to get accurate conversions. Includes a simplified gross-to-net estimate and side-by-side salary comparison. How to Use Enter your salary amount and select the pay period (annual, ...

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Word Generator

Word Generator Generate random English words instantly with optional filters for word type, length, and starting letter. Whether you need words for creative writing prompts, vocabulary practice, word games, or brainstorming sessions, this tool pulls from a curated list of over 3,000 common English words categorized by part of speech. How to Use Set the ...

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VIN Generator

VIN Generator Generate valid Vehicle Identification Numbers (VINs) for testing, development, and educational purposes. Each generated VIN follows the ISO 3779 standard with a correctly calculated check digit, realistic manufacturer codes, and proper formatting — making them suitable for software testing, database seeding, and learning how VINs work. How to Use Set the number of ...

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Random Email Generator

Random Email Generator Generate random email addresses for testing, development, and placeholder data. Create realistic-looking emails with common name patterns or random string usernames, paired with popular provider domains, fictional test domains, or your own custom domain. Perfect for populating test databases, QA workflows, and demo environments. How to Use Set the number of emails ...

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Random Address Generator

Random Address Generator Generate realistic fake street addresses for testing, development, and placeholder data. Create properly formatted addresses for the United States, United Kingdom, Canada, Australia, or Germany — complete with street numbers, street names, cities, states or provinces, and postal codes. Ideal for populating test databases, QA workflows, form testing, and demo environments. How ...

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Phone Number Generator

Phone Number Generator Generate fake but properly formatted phone numbers for testing and development. Create numbers for the United States, United Kingdom, Canada, Australia, Germany, France, Japan, India, or Brazil — each following the correct country-specific format with valid area code patterns and proper digit lengths. Perfect for form testing, database seeding, and demo environments. ...

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Data Matrix Barcode Generator

Data Matrix Barcode Generator Generate Data Matrix 2D barcodes for serial numbers, product IDs, URLs, and other compact data. Data Matrix is the preferred barcode for electronics manufacturing, medical device labelling, and aerospace parts marking due to its extremely small printable size and high damage tolerance. Configure shape (square or rectangular) and module size, then ...

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GPA Calculator (Grade Point Average)

GPA Calculator Calculate your semester and cumulative GPA instantly. Add courses with grades and credit hours, choose your grading scale, and see your weighted GPA update in real-time. Supports US 4.0, simplified 4.0, 5.0, and percentage scales. Includes cumulative GPA tracking and a what-if analysis to plan your target GPA. How to Use Select your ...

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Scientific Notation Converter & Calculator

Scientific Notation Converter & Calculator Convert numbers between standard, scientific, E-notation, and engineering notation instantly. Perform arithmetic (add, subtract, multiply, divide, power) on numbers in scientific notation with step-by-step solutions. Configure significant figures and reference common scientific constants. How to Use Enter any number in the converter — standard form (123456789), scientific notation (1.23 × ...

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PDF417 Barcode Generator

PDF417 Barcode Generator Generate PDF417 stacked linear barcodes from text, IDs, shipping labels, or any structured data. PDF417 is the standard barcode format for US driver’s licences, boarding passes, and government IDs. Configure error correction level, column count, row height, and module scale, then download the result as a PNG. How to Use Enter your ...

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Fuel Economy Calculator (MPG / L per 100km)

Fuel Economy Calculator Convert between fuel economy formats (MPG US, MPG UK, L/100km, km/L), calculate trip fuel costs, compare two vehicles side by side, estimate annual fuel expenses, and see CO2 emissions — all in one tool. Enter your values and results update instantly. How to Use Start with the fuel economy converter — enter ...

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Date Difference & Business Days Calculator

Date Difference & Business Days Calculator Calculate the exact duration between two dates in days, weeks, months, and years. Count business days excluding weekends and regional public holidays. Add or subtract time from any date. Find the Nth business day from a starting date. All calculations update instantly. How to Use Pick a start and ...

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PGP Key Pair Generator

PGP Key Pair Generator Generate PGP public/private key pairs directly in your browser for email encryption, file signing, and identity verification. Choose between RSA and ECC key types, set an optional passphrase, and configure expiration. Both the public and private keys are output in standard ASCII-armored PEM format ready to import into any PGP-compatible application. ...

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HTTP Cache TTL / max-age Calculator

HTTP Cache TTL / max-age Calculator Build HTTP Cache-Control headers visually. Select a caching strategy preset or configure individual directives — max-age, s-maxage, stale-while-revalidate, immutable, and more. Get a ready-to-use header string with human-readable explanations and CDN-specific equivalents. How to Use Choose a strategy preset (Static Assets, HTML Pages, API Responses, CDN Edge Cache) to ...

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Ohm's Law Calculator (V, I, R, P)

Ohm’s Law Calculator Calculate voltage, current, resistance, and power instantly. Enter any two of the four electrical values — the calculator solves for the remaining two using Ohm’s Law (V=IR) and the power equation (P=VI). Supports unit prefixes from micro to mega for real-world engineering use. How to Use Enter any two values — Voltage ...

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Aztec Code Generator

Aztec Code Generator Generate Aztec Code 2D barcodes from any text, URL, or structured data. Aztec codes are used in boarding passes, transit tickets, and ID documents due to their compact size and high damage tolerance. Configure error correction level and module size, then download the barcode as a PNG. How to Use Enter your ...

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JSON to XML Converter

JSON to XML Converter Convert JSON data to well-formed XML instantly. Paste any JSON object or array and get structured XML output with configurable root element names, array handling, indentation, and XML declaration. Handles nested objects, arrays, all JSON types, and special character escaping. How to Use Paste your JSON data into the input area. ...

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