Calculates exact age in years, months, days, etc., between two dates.
Calculate aspect ratios and resize dimensions.
Instantly find the atomic number, protons, and mass of any element. Learn how to calculate atomic number easily.
Find your birth year by age and selected date. Fast birth year calculator with before/after birthday logic.
Calculate your Body Mass Index (BMI) instantly. Get your BMI category, healthy weight range, and personalized health tips. Supports metric and imperial units.
Convert between bits, bytes, KB, MB, GB, TB, and PB instantly. Supports binary (1024) and decimal (1000) conversion standards. Free data storage calculator.
Calculez votre prêt immobilier en Suisse. Vérifiez votre tenabilité (affordability) avec le taux théorique de 5% et le ratio de nantissement (LTV).
Calculate exactly how much it costs to feed your cat. Estimate calories, daily expenses, and yearly food budget instantly.
Convert engine CC to horsepower and HP to CC instantly. Supports multiple engine types with a conversion table and formula breakdown.
Calculate your 10% tithe and allocate offerings to church, missions, and charity. Supports gross vs net income calculations.
CPM stands for "Cost Per Mille" (Mille is Latin for thousand). It is a marketing term used to denote the price of 1,000 advertisement impressions on one webpage. If a website publisher charges $2.00 CPM, that means an advertiser must pay $2.00 for every 1,000 impressions of its ad.
Convert any decimal to a fraction instantly. See step-by-step mathematical working and handle repeating decimals or mixed numbers.
Calculate the dimensional weight of your FedEx, UPS, or DHL packages. Find out your actual billable weight instantly to estimate shipping costs accurately.
Calculate your social media engagement rate instantly. It shows how much people interact with the content.
How to calculate the formal charge of an atom from Lewis structure with the formal charge equation and steps.
Calculate the exact opportunity cost of waiting to invest. See how much money you would have today if you started investing at a younger age.
Calculate the number of months between two dates or add/subtract months from a date. Free Monatsrechner, Calculadora de meses, Calculateur de mois.
Calculate your monthly mortgage payments, including property tax, insurance, and PMI. Detailed amortization schedule and visual breakdown.
Calculate the exact cost of an oil change. Compare DIY costs vs mechanic shops, including synthetic vs conventional oil prices, filter costs, and labor fees.
Calculate percentages, percentage difference, and percentage change.
Calculate population growth using exponential, linear, doubling-time, and logistic models. Project future population with year-by-year tables.
Calculate your PC's power requirements instantly. Find out what wattage PSU you need for your CPU, GPU, and components. Get personalized PSU recommendations.
Convert quarts to pounds and pounds to quarts using material density and quart type.
Calculate permissible rent increases in Dubai based on the official RERA Rental Index Decree. 100% accurate for 2026.
Find the smallest standard shipping box for your items to minimize shipping costs. Optimize for USPS, FedEx, and UPS box sizes instantly.
Calculate your 10% Dasvandh contribution accurately. Learn about the history and significance of Vand Chhako in Sikhism.
Find missing side lengths of similar triangles instantly. Calculate scale factors and solve geometry problems with ease.
Calculate the best time to wake up or go to bed. Wake up feeling refreshed by sleeping in full 90-minute REM cycles.
Calculate time differences between any two countries. Compare time zones, current times, and GMT offsets for 32+ countries worldwide.
Compare two tire sizes instantly. Calculate diameter, width, sidewall height, and speedometer error.
Calculate your UAE end-of-service gratuity instantly. 100% updated for 2026 and the new UAE Labour Law (Decree-Law 33/2021).
Convert between different units of measurement instantly. Supports Length, Weight, Temperature, Volume, Area, Speed, Time, and Digital Storage.
Calculate the exact date weeks ago from any start date. Includes day name, week/year, and lookup table.
Find how many weeks, days, and hours are left in 2026 or any year from your selected date.
Convert cubic yards to US short tons and back for gravel, sand, topsoil, fill, asphalt, and concrete. Material presets plus custom density—all in your browser.
Calculate your Zakat accurately. Gold, Silver, Cash, and Business Assets supported. Free calculation with custom Nisab settings.
Generate professional, high-status job titles for your LinkedIn profile or resume.
Check if your resume will pass Applicant Tracking Systems (ATS). Get a free ATS score based on length, contact info, keywords, action verbs, and more.
Fetch, test, and debug API responses online. View structured data, headers, and performance metrics instantly with our secure proxy.
Encode text to Base64 or decode Base64 strings back to readable text. Perfect for encoding data for transmission.
A text utility to convert between different cases.
Visual Chmod Calculator. Generate numeric (777, 755) and symbolic (rwxr-xr-x) permissions for Linux/Unix files instantly. Convert between formats.
Test your WPM and coding speed on real PHP, JS, Python, HTML, and CSS snippets.
Instantly convert letters to binary code and vice versa. Smart auto-detection, UTF-8 support, and advanced formatting options. The best free online binary translator.
Visual cron schedule editor for creating crontab syntax. Convert human text to cron expressions and vice versa. Includes quick presets.
Convert CSV data to JSON format instantly and securely. 100% private client-side processing, handles quotes, and supports file upload.
Convert CSV data to a formatted Markdown table instantly. Free online tool for developers and writers. Supports custom alignment and file upload.
Clean your lists and CSV data instantly. Remove duplicates, fix null values, and trim whitespace securely in your browser.
Convert any date and time into various formats including ISO 8601, RFC 3339, Unix timestamp, Mongo ObjectID, and Excel date/time. Free online developer utility.
Test your actual coding knowledge versus your confidence. Discover if you suffer from Imposter Syndrome or the Dunning-Kruger Effect.
Free online tool to encrypt clear text and decrypt ciphertext using secure cryptographic algorithms like AES, TripleDES, Rabbit, and RC4. Client-side processing.
Generate UPC Label online for free. Just enter your 11 or 12 digit code to create, preview, and download your UPC-A barcode instantly.
Generate exact Git commit SHA-1 hashes instantly. Learn how Git constructs commit objects, handles trees/parents, and calculates SHA-1 behind the scenes.
Check your H1 tag for SEO compliance. Analyze count, length, and keyword optimization instantly.
Generate MD5, SHA1, SHA256, SHA512 hashes from text or files. Free online hash generator with instant results. Secure client-side processing.
Beautify, minify, validate, and explore your JSON data. The ultimate developer tool for debugging and formatting.
Convert JSON data to CSV format instantly and securely. Ideal for spreadsheet analysis, 100% private client-side processing.
Convert JSON to TOON (Token-Oriented Object Notation) and vice versa. Also supports JSON to YAML, CSV, TOML, and XML conversions with validation and tree viewer.
Decode and inspect JSON Web Tokens (JWT) instantly. View header, payload, claims, and expiration status. Free online JWT debugger.
Calculate and compare API costs for GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, and Llama 3. Estimate expenses based on input/output tokens.
A developer tool to generate placeholder text for designs.
Convert Markdown to HTML instantly. Free online tool for developers and writers to transform text into clean code.
Convert Markdown text to professionally formatted PDF documents instantly. Free online tool with real-time preview and customization.
Calculate usable storage, redundancy, and disk inputs for RAID 0, 1, 5, 6, and 10. Visualize your NAS setup with our interactive drive bay tool.
Test and debug JavaScript regular expressions online. Real-time matching, highlighting, and cheatsheet for developers.
Test your website on different devices and screen resolutions instantly. Check responsiveness and mobile-friendliness online.
Compare two text files or code snippets to find the difference. Highlight added and removed lines instantly. Free and private.
Generate secure, random tokens and strings with custom lengths and character types. Free online token generator for developers, robust passwords, and API keys.
Convert Unix timestamps to human-readable dates and vice versa. Free epoch converter with timezone support for developers.
Encode and decode URLs instantly. Convert special characters to URL-encoded format and vice versa. Free, fast, and secure.
Free online URL Markdown tool to convert webpage to Markdown format. Fast and private Markdown converter with Readability support.
Generate standard UUIDs (v1 and v4) instantly. Free, client-side, and secure unique identifier generator for developers.
A writing tool to count words, characters, and sentences.
Test your Modern Standard Arabic (MSA) level with our free 40-question randomized ALPT assessment. Get an instant CEFR score (A1-C2) and PDF certificate.
Test your Mandarin Chinese level with our adaptive 20-question assessment. Get an instant HSK/CEFR score and a downloadable PDF certificate.
Test your real coding speed. Type actual code snippets in JS, Python, PHP, and CSS. Find out if your keyboard is holding you back.
Test your English level with our adaptive assessment. Get an instant CEFR score (A1-C2) and a downloadable PDF certificate.
Test your French level with our adaptive assessment. Get an instant CEFR score (A1-C2) and a downloadable PDF certificate.
Test your German level with our adaptive assessment. Get an instant CEFR score (A1-C2) and a downloadable PDF certificate.
Practice Modern Hebrew (עברית) with 20 adaptive questions. Estimated CEFR-style level (A1–C2) plus a downloadable PDF certificate.
Comprehensive converter for digits to Hebrew number words and Hebrew words back to digits. Supports common forms and instant two-way conversion.
Accurately calculate your IELTS band score for Listening, Academic Reading, General Reading, and Overall band score online.
Test your Italian level with our free adaptive CILS/CELI/PLIDA assessment. Get an instant CEFR score (A1-C2) and PDF certificate.
Test your Japanese level with our adaptive assessment. Get an instant CEFR/JLPT score (N5-N1) and a downloadable PDF certificate.
Test your Korean level with our adaptive 20-question quiz. Get your official TOPIK score estimate (Level 1-6) and download a certificate.
Test your Portuguese level with our free adaptive CAPLE/CELPE-Bras assessment. Get an instant CEFR score (A1-C2) and PDF certificate.
Test your visual reflexes with this simple color-change reaction game. Measure your reaction speed in milliseconds and compete for the best score.
Test your Russian level with our free adaptive 40-question TORFL assessment. Get an instant CEFR score mapped to official TRKI levels and a PDF certificate.
Test your Spanish level with our adaptive assessment. Get an instant CEFR score (A1-C2) and a downloadable PDF certificate.
Instantly convert any number to perfectly written, grammatically correct Spanish text. Great for language learners and formal documents. 100% private, client-side browser tool.
Curve single or batch grades with square root formula: curved grade = 10 x sqrt(raw).
Defend your base from falling words! A fast-paced typing game to improved your typing speed and accuracy. Destroy words before they hit the bottom.
Test your typing speed and accuracy with our free online 1-minute typing test. Calculate your WPM (Words Per Minute) and improve your typing skills.
Can you pass the official US naturalization test? Answer 10 randomized USCIS questions to find out.
Calculate words correct per minute (WCPM) with accuracy, error rate, and fluency metrics.
Text-based word problem solver with step-by-step math explanations for arithmetic, percentages, and rates.
Find the purr-fect name for your feline friend! Generate unique names for cats based on gender, color, and personality.
Count down to Christmas with a festive timer. See days, hours, minutes, and seconds until Christmas Day. Share the holiday spirit!
Find the paw-fect name for your canine companion! Generate unique names for dogs based on breed, color, and personality.
Discover your magical fairy name! Generate unique, whimsical names for stories, games, or just for fun.
How valid is your vibe? Test your knowledge of viral Gen Z slang, Brainrot terms, and internet culture. Get a Certified Vibe Check.
Create and download memes instantly.
Stuck scrolling through Netflix endlessly? Our Random Movie Picker is here to cure your analysis paralysis!
Challenge yourself with our interactive Trivia Quiz! Whether you're a trivia buff or just looking to kill some time, this quiz offers a fun way to test your knowledge.
Generate creative, witty, and unique wedding hashtags for your big day. Perfect for sharing your special moments on social media.
Yes/No Generator is a digital decision-making tool that randomly selects between predetermined responses, typically "Yes" and "No."
Enter your birth year to discover your true biological generation. Are you a Boomer, Gen X, Millennial, Gen Z, or Gen Alpha? Get a funny roast with your result.
Test your clicking speed with our accurate 10-second CPS test. Track your performance with real-time graphs, compare results, and reach our local leaderboard.
Convert your dog's age to human years using a science-based formula adjusted for breed size (small, medium, large, giant). Find your dog's life stage instantly.
Take our highly accurate 7-question quiz to find out your true mental generation. You might be biologically 25, but are you 100% Boomer on the inside?
Test your brain's processing speed and selective attention with the classic Stroop Effect Test. Click the color, not the word!
Play the classic Tetris game online for free. HTML5 Canvas based, full keyboard support, completely private, and works locally directly in your browser.
Answer 3 totally scientific questions to discover your personalized vibe for the day. Are you Main Character Energy or a Feral Goblin?
Calculate your 50/30/20 budget instantly. Split your after-tax income into Needs, Wants, and Savings/Debt for better financial planning.
Calculate how much interest and time you can save by making early payments on your auto loan. See your savings instantly.
Calculate compound interest with monthly contributions. Visualize your wealth growth over time.
Easily convert bank CSV statements to OFX format for free. Private, local conversion for GnuCash, Moneydance, Xero, and more.
Assess the security of your crypto storage and usage habits. Get a personalized risk score and safety checklist. Non-custodial, privacy-first.
Estimate your FICO credit score for free using official scoring factors. Understand how payment history, utilization, and credit length affect your credit health.
Calculate Jewish Ma'aser (10%) or Chomesh (20%) for Tzedakah.
Free Ohio paycheck calculator. Estimate your 2025 take-home pay after federal tax, Ohio state tax, FICA, and local city tax — for hourly or salaried employees.
Calculate Customer Lifetime Value (LTV) and Max Ad Spend (CAC) specifically for SaaS. Insights on churn, retention, and profitability.
Salary to hourly wage calculator lets you see how much you earn over different periods.
Calculate severance pay (Liquidación, Finiquito, Cesantías, Indemnización) for Venezuela, Colombia, Mexico, Argentina, Chile, Peru & more. Free and instant.
Calculate VAT instantly. Add or remove tax from prices. Supports UK (20%) and global VAT rates.
Take the free WHO Adult ADHD Self-Report Scale (ASRS-v1.1) screening test online. Based on peer-reviewed research by Kessler et al. 6 questions, Likert scoring, instant results, 100% private.
Convert between mEq and mL with custom or stock electrolyte strength (mEq/mL).
Calculate exactly how much mulch or soil (bags/yards) you need for your garden beds. Enter dimensions and get instant estimates.
Calculate how many plants fit in your garden bed. Compare Square vs Triangular spacing to maximize yield.
Create a custom garden schedule based on your frost dates. Know exactly when to start seeds and transplant vegetables.
Free online tool to add noise, static, or film grain to any image securely in your browser. Give your photos a retro or gritty texture instantly.
Free online tool to adjust the gamma of any image. Correct midtones, reveal hidden details safely in your browser with 100% privacy.
Download pure black PNG placeholder images in preset sizes (400×400, 500×500, etc.) or any custom width and height. Generated in your browser.
Free online tool to censor, blur, or pixelate any part of a photo. Hide faces, license plates, or sensitive text using rectangle or ellipse shapes. 100% private.
Increment or decrement the brightness of any image. Make your picture lighter or darker instantly in your browser with 100% privacy.
Increment or decrement the contrast of any image. Make your photos pop or soften them instantly in your browser with 100% privacy.
Free online tool to adjust the exposure of any image. Brighten underexposed photos or darken overexposed ones easily in your browser with 100% privacy.
Free online tool to increment or decrement the saturation of any image. Make your colors vibrant or muted instantly in your browser with 100% privacy.
Free online tool to clip any image into beautiful shapes like circles, triangles, or rounded rectangles. Process instantly in your browser with 100% privacy and export as PNG.
Make an image darker instantly. Reduce brightness or add a dark overlay locally in your browser with 100% privacy.
Free online tool to apply a beautiful duotone filter to any image. Select custom highlight and shadow colors, adjust brightness, instantly and completely privately.
Mirror your photos horizontally, vertically, or both instantly. Reverse images locally in your browser with 100% privacy.
Convert an image to grayscale instantly. Desaturate your photos to create a black and white effect locally in your browser with 100% privacy.
Quickly reverse the colors of any photo to create a negative effect instantly in your browser.
Make an image lighter instantly. Increase brightness or add a light overlay locally in your browser with 100% privacy.
Merge two images vertically or horizontally to create a new image. Customize border thickness and color.
Free online tool to securely overlay, merge, and blend two images. Control opacity, position, scale, rotation, and blend modes instantly in your browser.
Optimize and compress your PNG images directly in your browser. Fast, secure, and free.
Free online tool to instantly generate random static and noise bitmaps. Create full color, grayscale, or black and white noise images at any resolution.
Free online tool to add a vintage sepia effect to any image. Create nostalgic, antique-looking photos instantly in your browser with 100% privacy.
Free online tool to shift the hue of any image. Change colors across the entire spectrum instantly in your browser with 100% privacy.
Free online tool to split any image horizontally, vertically, or into a grid. Divide photos by quantity or exact pixel sizes instantly in your browser with 100% privacy.
Convert JPG, PNG, and GIF images to WebP format online. Reduce file size by up to 80% with high quality.
Calculate binomial probability distribution, mean, variance, and standard deviation. Free online calculator with step-by-step formula and interactive graph.
Calculate partial derivatives of multivariable functions instantly. Support for higher-order and mixed derivatives with step-by-step logic.
Solve math expressions and round results to any number of significant figures. Supports +, -, *, /, ^, log, and ln. Instant and free.
Calculate Population Variance, Sample Variance, Standard Deviation, and Mean instantly. Get step-by-step explanations for your data set.
Compress JPG, PNG, WebP, HEIC, SVG or GIF with the best quality and compression. Reduce the filesize of your images at once safely, instantly in your browser.
Compress JPEG and JPG images online, reduce photo size in KB, and process batches with one-click ZIP download.
World's simplest online animated PNG disappearing creator. Convert any PNG into an animated GIF where it gradually vanishes.
Create beautiful 2, 3, and 4-circle Venn diagrams online. Customize colors, text, and download your charts instantly.
Resize image dimensions and compress photo size instantly. Free photo resizer with target KB mode for upload limits.
Change color of image instantly. The world's simplest online image color changer. Quickly replace colors in your PNG files locally in your browser.
World's simplest online GIF to PNG sequence converter. Extract GIF frames and arrange them instantly in a customizable grid.
Test your webcam online to check if it is working properly and find out useful information about it.
Compress PDF files online for free. Reduce PDF file size while maintaining quality. Choose from Extreme, Recommended, or Less compression levels.
Merge multiple PDF files into a single document instantly. Free, secure, and client-side processing.
Convert PDF pages to JPG images instantly. No software installation required. Free, secure, and client-side processing.
Find anyone's email address by generating common email permutations based on their name and domain. Useful for sales and outreach.
Create polished, custom email signatures in minutes. Free, easy-to-use generator for personal and professional signatures.
Master your time with the Pomodoro Technique. Customizable 25/5 intervals, audio notifications, and task tracking.
Calculate exactly how much money your company burns in useless meetings in real-time. Enter attendee salaries and watch the cost tick up.
Verify if a website links back to you. Check anchor text, rel attributes (dofollow/nofollow), and ensure your backlinks are effectively placed.
Find and fix broken links on your website. Detect 404 errors, check internal and external links, and improve user experience and SEO.
Check if Gzip or Brotli compression is enabled on your website. Improve your page speed by reducing file sizes.
Check the exact age of any domain name. Find out when a domain was registered and its precise age in years, months, and days.
Optimize your Google Search snippets by pixel width. Live desktop and mobile previews to prevent truncation and boost CTR.
Check the HTTP status code of any URL. Analyze redirect chains, identify 404 errors, and ensure your pages are returning the correct status for SEO.
Generate SEO-friendly meta descriptions for your website using AI. Improve your click-through rates with compelling summaries.
Check if your website is blocked from Google search results by robots.txt, noindex tags, or headers.
Get a free on-page SEO audit. Find and fix SEO issues like missing titles, meta descriptions, H1 tags, and more.
Check your website's Open Graph meta tags and preview how your links will appear on social media.
Generate SEO-friendly page titles for your website using AI. Improve your click-through rates with compelling titles.
Analyze text for SEO optimization. Get keyword density, word count, character count, reading time, and top keywords. Perfect for content optimization.
Convert titles and text into clean, SEO-friendly URL slugs.
Check SSL/TLS certificate validity, expiration date, issuer, and trust status for any domain. Ensure your website is secure.
Find structured data elements on a page. Validate your JSON-LD and Microdata schema markup for better SEO visibility.
Check your website's viewport meta tag for mobile responsiveness. Detect configuration errors and learn best practices.
Download Instagram Reels videos in high quality MP4 format. No watermark, free, and fast.
Download individual Pinterest pins with a free account. Paste one URL, grab the original file, and keep metadata.
Estimate your YouTube earnings based on views, country, and niche. Find out why Venezuela has the highest trending RPM in 2026.
Track live YouTube subscriber counts with real-time updates. Watch your favorite creators grow and compare channel statistics.
Convert CMYK to Pantone color and Pantone to CMYK with nearest-match estimates for practical print workflows.
Convert colors between HEX, RGB, HSL formats. Interactive color wheel picker with live preview. Perfect for designers and developers.
Upload any PDF document and convert it to Markdown instantly. Perfect for documentation and content migration.
Download high-quality country flags in SVG, PNG, JPG, or WebP format. Free, instant downloads for all countries with customizable sizes.
Convert Excel files (XLSX, XLS, CSV) into clean, formatted HTML tables instantly. Private client-side processing.
Quickly generate your favicon from an image (PNG, JPG, BMP). Download your favicon in the most up to date formats (ICO, PNG, WebManifest).
Calculate exactly what time it was a specific number of hours or minutes ago.
Generate 100+ aesthetic Instagram fonts for your bio, captions, and comments. Cursive, bold, glitch, and more. Copy and paste instantly.
Decode clothing care tags instantly. An interactive visual guide to washing, drying, bleaching, and ironing symbols.
Instantly convert between military time (24-hour) and standard 12-hour AM/PM format. Live local clock, full time chart, and bidirectional conversion.
Generates secure, random passwords with customizable length and character sets.
Extract specific pages from any PDF instantly. Split your document securely in your browser without uploading files to a server.
Generate a free, professional privacy policy for your website or app in seconds. GDPR, CCPA, and COPPA compliant. No signup required.
Generate QR codes instantly. Create QR codes for URLs, text, emails, phone numbers, and more. Free and customizable.
Download free sample audio files in MP3, WAV, OGG, and M4A formats for testing and development purposes.
Download free sample document files (PDF, DOCX, XLSX, etc.) in various sizes for testing and quality assurance.
Download free sample image files in various formats (PNG, JPG, WebP, SVG) and sizes for testing and Web development.
Download free sample video files in MP4, WebM, and MKV formats for testing video players and compression.
Convert SVG files to professional Favicons (ICO & PNG) in seconds.
Convert temperatures instantly between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Réaumur, and Rømer. Includes formulas, reference chart, and live conversion.
Unicode to Bijoy converter and Bijoy to Unicode converter online for Bangla text, including Nikosh and Avro-style workflows.
Check your public IPv4 and IPv6 address instantly. View your ISP, location, and connection details. Secure and accurate IP lookup tool.
Free fullscreen white screen tool for monitor cleaning, dead pixel detection, Zoom lighting, and display testing. Instant, no install required.
This free tool allows you to easily download thumbnails from any YouTube video in various resolutions. Whether you need the high-definition (HD) version for a project or a smaller size for a blog post, we've got you covered.