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.
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.
Calculate exactly how much it costs to feed your cat. Estimate calories, daily expenses, and yearly food budget instantly.
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.
Calculate your social media engagement rate instantly. It shows how much people interact with the content.
Calculate percentages, percentage difference, and percentage change.
Calculate your PC's power requirements instantly. Find out what wattage PSU you need for your CPU, GPU, and components. Get personalized PSU recommendations.
Calculate your 10% Dasvandh contribution accurately. Learn about the history and significance of Vand Chhako in Sikhism.
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.
Calculate your Zakat accurately. Gold, Silver, Cash, and Business Assets supported. Free calculation with custom Nisab settings.
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.
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 a formatted Markdown table instantly. Free online tool for developers and writers. Supports custom alignment and file upload.
Test your actual coding knowledge versus your confidence. Discover if you suffer from Imposter Syndrome or the Dunning-Kruger Effect.
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 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.
Compare two text files or code snippets to find the difference. Highlight added and removed lines instantly. Free and private.
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.
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 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.
Test your Japanese level with our adaptive assessment. Get an instant CEFR/JLPT score (N5-N1) and a downloadable 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 Spanish level with our adaptive assessment. Get an instant CEFR score (A1-C2) and a downloadable PDF certificate.
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.
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."
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.
Assess the security of your crypto storage and usage habits. Get a personalized risk score and safety checklist. Non-custodial, privacy-first.
Calculate Jewish Ma'aser (10%) or Chomesh (20%) for Tzedakah.
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 VAT instantly. Add or remove tax from prices. Supports UK (20%) and global VAT rates.
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.
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.
Calculate Population Variance, Sample Variance, Standard Deviation, and Mean instantly. Get step-by-step explanations for your data set.
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.
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.
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.
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 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).
Generate 100+ aesthetic Instagram fonts for your bio, captions, and comments. Cursive, bold, glitch, and more. Copy and paste instantly.
Generates secure, random passwords with customizable length and character sets.
Optimize and compress your PNG images directly in your browser. Fast, secure, and free.
Generate QR codes instantly. Create QR codes for URLs, text, emails, phone numbers, and more. Free and customizable.
Convert SVG files to professional Favicons (ICO & PNG) in seconds.
Convert JPG, PNG, and GIF images to WebP format online. Reduce file size by up to 80% with high quality.
Check your public IPv4 and IPv6 address instantly. View your ISP, location, and connection details. Secure and accurate IP lookup tool.
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.