Free Online Utilities & Calculators.
Zero Signups. Total Privacy.

📝

Word Counter & Character Counter

Count words, characters with/without spaces, sentences, paragraphs, and reading time in real-time.

🔠

Case Converter (UPPER, lower, Title, Camel)

Instantly convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case.

🧹

Duplicate Line Remover & List Cleaner

Remove duplicate lines from text lists, sort alphabetically, trim whitespace, and delete empty lines.

🔗

Text to Slug Converter (URL Friendly)

Convert any title or string into a clean, SEO-friendly, URL-safe slug with custom separators.

📜

Lorem Ipsum Generator (Dummy Text)

Generate customizable placeholder text by paragraphs, sentences, words, or lists with HTML markup options.

🔄

Text Reverser (Letters, Words, Lines)

Reverse characters, flip word order, or invert line sequences upside down and backwards in seconds.

✂️

Line Break & Whitespace Remover

Strip unwanted newlines, paragraph breaks, double spaces, and convert multi-line text into a single paragraph.

📊

Word Frequency & Keyword Density Counter

Analyze top repeated words, 2-word/3-word phrase frequencies, keyword density percentage, and vocabulary diversity.

🔍

Text Diff Checker & Comparison Tool

Compare two text versions side-by-side with character, word, and line level highlight changes.

🎲

Random Text & Paragraph Generator

Generate random realistic paragraphs, strings, sentences, and words in multiple themes for testing.

⏱️

WPM Reading Time & Speaking Time Calculator

Calculate estimated silent reading time, speech speaking duration, and audio presentation pace at custom WPM.

✨

Fancy Font Generator (Cool Unicode Styles)

Transform plain text into cursive, gothic, bold serif, aesthetic, handwritten, and 50+ copy-paste Unicode styles.

⇥

Tab to Space & Whitespace Indent Converter

Convert tabs to spaces (2, 4, 8 spaces), spaces to tabs, indent/unindent code snippets, and normalize indentation.

🔤

Font Detector & Font File Extractor (.ttf, .otf, .woff)

Inspect uploaded TTF/OTF/WOFF font files: extract font family, weight, designer, glyph count, copyright, and test live rendering.

%

Percentage Calculator (Increase, Decrease, Of)

Calculate what is X% of Y, percentage increase/decrease, percentage difference between two numbers, and reverse percentages.

🎂

Age Calculator & Exact Days Alive

Calculate your exact age in years, months, weeks, days, hours, and minutes, plus upcoming birthday countdown.

⚖️

BMI Calculator (Body Mass Index & Healthy Weight)

Calculate Body Mass Index (BMI), WHO weight category, ideal weight range, and prime BMI for metric and imperial units.

🎓

GPA Calculator (4.0 & Weighted Scale)

Calculate high school and college semester/cumulative GPA on a 4.0 or 5.0 weighted and unweighted scale.

🏦

Loan EMI & Mortgage Amortization Calculator

Calculate monthly loan EMI, total payable interest, and yearly amortization breakdown schedule.

💵

Tip Calculator & Bill Splitter

Calculate restaurant tip percentage, total bill with service tax, and split amount per person evenly.

🏷️

Discount & Sale Price Calculator

Find final discounted price, amount saved, double stacked discounts (e.g. 20% + extra 10%), and sales tax.

📐

Universal Unit Converter (Length, Weight, Temp, Volume)

Convert units for length (meters, feet, inches), weight (kg, lbs), temperature (°C, °F, K), speed, area, and digital storage.

🌍

World Time Zone Converter & Meeting Planner

Convert times across global cities (UTC, EST, PST, GMT, CET, JST) with daylight saving and interactive hour slider.

📅

Date Difference & Days Between Dates Calculator

Calculate the exact number of days, weeks, months, business days between two dates, or add/subtract days from a date.

📝

Grade Calculator & Weighted Average

Calculate your current class grade, weighted assignment averages, and the final exam score needed to get your target grade.

📈

Compound Interest Calculator & Investment Growth

Project future investment growth with monthly contributions, annual return rates, and compound frequency breakdown charts.

🎲

Random Number Generator (Custom Range & Unique)

Generate single or multiple random integers and decimals within any min/max range with duplicate prevention.

❤️

Love Calculator & Compatibility Matcher

Test romantic compatibility, emotional chemistry, trust score, and relational resonance with visual meter results.

{ }

JSON Formatter, Validator & Tree Beautifier

Prettify, minify, validate syntax errors with line numbers, and inspect nested objects in a clean tree view.

🎨

CSS Minifier & Beautifier (Code Compressor)

Compress CSS styles to reduce web asset file sizes or format messy stylesheet code into clean indented rules.

🔐

Base64 Encoder & Decoder (Text & Data URLs)

Encode plain text and UTF-8 strings into Base64 format or decode Base64 data with zero latency.

🌐

URL Encoder & Decoder (Percent-Encoding)

Encode special query parameter characters into safe percent-encoded URLs or decode escaped query strings.

🔎

Regex Tester & Regular Expression Explainer

Test JavaScript and PCRE regular expressions in real-time with capture groups, replacement previews, and flags (g, i, m).

🆔

UUID & GUID Generator (v4 Cryptographically Secure)

Generate single or bulk RFC 4122 compliant version 4 UUIDs using window.crypto CSPRNG with uppercase/hyphen options.

#️⃣

Hash Generator (MD5, SHA-1, SHA-256, SHA-512)

Compute cryptographic hashes (SHA-256, SHA-512, SHA-384, SHA-1, MD5) for passwords, strings, and checksums.

📑

Markdown to HTML Converter & Live Previewer

Convert GitHub Flavored Markdown (GFM) headings, tables, code blocks, and checklists into clean HTML with one-click copy.

⏰

Cron Expression Generator & Human Explainer

Build cron schedule strings (minute, hour, day, month, weekday), translate expressions into plain English, and view upcoming trigger runs.

🎨

Color Picker & Converter (HEX, RGB, HSL, CMYK)

Pick colors visually or convert between HEX, RGB, RGBA, HSL, HSLA, CMYK, CSS color names, with contrast ratio tester.

&

HTML Entity Encoder & Decoder (Special Characters)

Escape HTML tags, brackets, quotes, ampersands, and unicode characters into named/numeric entities or decode back to raw text.

🔑

JWT Decoder & Token Payload Inspector (JSON Web Token)

Decode JSON Web Tokens (JWT) locally: inspect header, payload claims, expiration timestamps (exp, iat), and signature status.

⚡

JavaScript Minifier & Beautifier (JS Compressor)

Minify JavaScript to eliminate whitespace and comments for production or format obfuscated scripts with clean indentation.

🖼️

Placeholder Image Generator (Client-Side Canvas)

Create custom dimensions placeholder images (PNG/JPG/SVG/Data URI) with custom text, colors, and instant download.

📝

Online PDF Editor (Edit, Annotate, Sign & Redact)

Upload and edit PDF documents directly in your browser. Add text, freehand drawing, highlights, geometric shapes, whiteout redaction, digital signatures, rotate, reorder, and delete pages with 100% client-side privacy.

🗜️

Bulk Image Compressor (JPG, PNG, WebP Batch Reducer)

Batch compress multiple photos and graphics directly in your browser memory with adjustable quality slider, batch resizing, format conversion, and ZIP download.

📐

Image Resizer (Pixel Dimensions & Aspect Ratio)

Resize image width and height in pixels or percentage, lock aspect ratio, and download optimized files.

🔄

JPG to PNG & PNG to JPG Converter

Convert JPEG images to PNG with transparency support, or convert PNG graphics to compressed JPG format.

📑

Image to Base64 & Data URI Generator

Convert uploaded PNG, JPG, GIF, SVG, or WebP images into Base64 Data URI strings for inline HTML & CSS embeds.

⭐

Favicon Generator (16x16, 32x32, Apple Touch Icon)

Generate website favicons in all standard resolutions (16x16, 32x32, 48x48, 180x180 Apple icon) and download PNG/ICO assets.

📱

QR Code Generator (URL, WiFi, vCard, Text)

Create custom QR codes for website links, WiFi network credentials, vCard contact cards, with custom foreground/background colors.

🎭

Meme Generator (Custom Top & Bottom Text)

Create funny memes using classic Impact typography, custom font outlines, uploaded pictures or popular template presets.

📄

PDF to Word & Word to PDF Document Converter

Extract editable text and structure from PDF files into Word format or convert formatted documents into PDF.

📑

Merge PDF & Split PDF Pages Utility

Combine multiple PDF documents into one single file, or extract individual pages and custom page ranges safely.

🗜️

Compress PDF Online Free – Reduce PDF File Size

Compress PDF files online for free. Reduce PDF size to 1MB, 2MB, 5MB or a custom target directly in your browser. Fast, private, zero server uploads.

✂️

Image Background Remover (Chroma & Alpha Thresholding)

Remove solid white or colored backgrounds from logos, products, and graphics with magic wand tolerance and download transparent PNG.

✂️

Image Cropper (Square 1:1, 16:9, 4:3, Circle Crop)

Crop photos to exact aspect ratios (1:1 Instagram avatar, 16:9 widescreen, 4:3) or circular avatars with zoom & pan controls.

📑

Image to PDF Converter (JPG, PNG to Multi-Page PDF)

Convert single or multiple photos (JPG, PNG, WebP) into a high-quality formatted PDF document with custom margins.

📷

EXIF Data Viewer & Metadata Privacy Remover

View camera model, ISO, shutter speed, focal length, date taken, GPS coordinates on map, or strip all metadata for privacy.

🎨

Color Palette Extractor from Image (Dominant Hex Colors)

Automatically extract dominant colors, harmonious palette shades, RGB/HEX codes, and CSS color swatches from any uploaded photo.

🔤

Font Extractor, Identifier & System Font Detector

Extract metadata, glyph tables, and CSS @font-face rules from TTF, OTF, WOFF, and WOFF2 font files, detect installed system fonts, and match fonts from image typography samples with Google Fonts.

💱

Currency Converter (Live FX Exchange Rates)

Convert over 160+ world currencies (USD, EUR, GBP, JPY, CAD, AUD, CNY) with historical base rates and reverse calculation.

💼

Salary & Paycheck Calculator (Hourly to Annual & Take-Home)

Convert hourly wage to daily, weekly, bi-weekly, monthly, and annual income with tax deductions & overtime multipliers.

🧾

Free Invoice Generator & PDF Receipt Maker

Create professional customizable invoices: add business logo, line items, taxes, discounts, client info, and print or export as PDF instantly.

🔑

Strong Password Generator (High Entropy & Memorable Passphrases)

Generate cryptographically strong random passwords with custom symbols, numbers, upper/lowercase characters, or readable passphrase words.

👥

Random Name Picker & Team Generator

Pick a random winner from a list of names or automatically balance and split people into randomized, fair teams or breakout groups.

🎲

Coin Flip & Multi-Sided Dice Roller (d4 to d100)

Flip realistic heads or tails coins and roll multiple tabletop RPG dice (d4, d6, d8, d10, d12, d20, d100) with history log and sum calculation.

⏳

Free Countdown Timer Online (Fullscreen & Loud Audio Alarms)

Free countdown timer and online stopwatch with loud audio alarms, visual flashing alerts, fullscreen mode, and preset quick timers with zero ads.

📷

QR Code Scanner (Camera & Image Upload)

Scan and decode QR codes instantly in your browser using your webcam/phone camera or by uploading/dropping an image file securely without uploading to servers.

📊

Barcode Generator (Code 128, EAN-13, UPC, Code 39)

Generate standard scannable barcodes in Code 128, EAN-13, UPC-A, Code 39, ITF formats with custom heights, colors, text, and SVG/PNG download.

🏛️

Sales & Income Tax Calculator (Custom Rates & Brackets)

Calculate sales tax, VAT, GST, gross vs. net price, and estimated progressive income tax brackets with customizable rate percentages.

🍕

Split Bill & Group Expense Calculator (Tip & Custom Shares)

Split restaurant checks and shared event costs evenly or by custom proportions with tip calculations and per-person breakdown.

🏖️

Retirement Savings & Pension Nest Egg Calculator

Forecast retirement portfolio growth: calculate required monthly contributions, compounding returns, inflation adjustment, and safe withdrawal.

⛽

Fuel Cost & Trip Gas Mileage Calculator (MPG / L/100km)

Calculate total fuel cost for a road trip, total liters/gallons required, fuel efficiency (MPG, km/L, L/100km), and cost per passenger.

🪙

Crypto Profit & ROI Calculator (Bitcoin, Ethereum, Altcoins)

Calculate net profit/loss, total payout, percentage return on investment (ROI), and exchange trading fees for crypto trades.

💵

Freelance Hourly Rate & Project Pricing Calculator

Determine target hourly and daily billable rates based on desired annual salary, business expenses, taxes, vacation, and billable hours.

⏱️

Pomodoro Focus Timer & Work-Break Productivity Clock

Boost deep focus with structured 25-minute work intervals, 5-minute short breaks, 15-minute long breaks, and ambient audio cues.

📊

Daily Habit Tracker & Streak Goal Calendar (Local Storage)

Build life-changing routines: track habits, log daily streaks, visualize weekly completion rates, and store all data 100% privately in your browser.

⏱️

Online Stopwatch with Lap Times & Millisecond Precision

Precision digital stopwatch: start, pause, split lap records, export lap logs to CSV, and track elapsed time with keyboard shortcuts.

📝

Quick Scratchpad & Auto-Saving Notepad (No Sign-Up)

Distraction-free auto-saving scratchpad in your browser: live word count, plain text / markdown modes, and one-click TXT download.

✅

Interactive Checklist Maker & Task To-Do Organizer

Create reusable interactive packing lists, daily routines, project workflows with completion progress bars and local storage.

📩

EML File Viewer & Online Reader (RFC 822 / MIME)

Open and read .eml email files directly in your browser: parse sender, recipient, date, subject, rich HTML body, and preview/download attachments privately.

✉️

Outlook MSG File Viewer & Reader

Parse Microsoft Outlook .msg binary files in your browser: extract email headers, formatted text/HTML body, and attachments without Outlook.

🌲

XML Viewer, Tree Explorer & Formatter

Interactive collapsible XML tree viewer: validate XML syntax, search nodes, beautify/indent, minify, and inspect attributes with zero upload.

🕵️

Email Header Analyzer & SPF/DKIM/DMARC Inspector

Paste raw email headers to trace email routing hops, delivery delays, sender IP geolocation, and SPF, DKIM, and DMARC authentication verdicts.

📱

Email Signature HTML Tester & Previewer

Paste custom HTML signature code to preview render fidelity in Gmail, Outlook, and Apple Mail views, test image rendering, and check all clickable links.

📬

MBOX Archive Viewer & Email Extractor

Read and search large .mbox mailbox backup files in your browser: browse individual emails, filter by sender or subject, and export selected messages.

🔍

Email Address Extractor & List Cleaner

Extract all valid email addresses from messy text, documents, or raw code: automatically remove duplicates, sort alphabetically, filter by domain, and export as CSV/TXT.

📧

Email Address Syntax Validator & MX Domain Checker

Verify RFC 5322 compliance, detect disposable burner email domains, extract username/domain, and spot common typos like gmial.com.

📇

VCF (vCard) File Viewer & Contact Converter

Open and parse .vcf contact card files: view contact names, phone numbers, emails, addresses, job titles, and export contacts to CSV or JSON.

📅

ICS (iCalendar) File Viewer & Event Parser

Inspect .ics calendar invite files: view event titles, dates, timezones, recurring rules (RRULE), locations, attendee lists, and descriptions.

📊

CSV Viewer, Data Table Grid & Formatter

View CSV files as interactive searchable tables: sort columns, filter rows, paginate large datasets, edit cells inline, and clean CSV delimiters.

📑

TSV to CSV & CSV to TSV Delimiter Converter

Switch delimiter formats between Tab-Separated Values (TSV) and Comma-Separated Values (CSV) with smart quote escaping.

📑

Email Template Merge-Tag & Variable Previewer

Test dynamic email templates with variables like `{{first_name}}`, `{{company}}`, `{{discount_code}}`: fill sample JSON test data and preview responsive HTML.

✍️

HTML Email Signature Generator (Gmail, Outlook, Apple Mail)

Design modern responsive email signatures with avatar photo, company logo, phone, social icons, and copy raw HTML or rich-text directly.

🎯

Email Subject Line Tester & Open Rate Optimizer

Score email subject lines: check length limits, spam trigger words, emoji effectiveness, mobile preview truncation, and urgency sentiment.

🔗

Mailto Link Generator (Subject, CC, BCC & Body Text)

Generate formatted HTML `mailto:` anchor tags and encoded URL links pre-filled with recipient, CC, BCC, subject line, and message template.

🔄

CSV to JSON & JSON to CSV Converter (Bidirectional)

Instantly convert CSV spreadsheets to structured JSON arrays and flatten nested JSON objects back to clean delimiter-separated CSV files.

📦

XML to JSON & JSON to XML Converter

Convert XML schemas and feeds into modern JSON trees or serialize nested JSON hierarchies back into clean valid XML documents.

⚙️

YAML to JSON & JSON to YAML Converter

Convert Kubernetes manifests, Docker Compose files, and CI/CD pipelines between human-readable YAML and structured JSON formats.

📊

Excel (XLSX/XLS) to JSON & JSON to Excel Converter

Upload spreadsheets (XLSX/XLS) to extract multi-sheet data as clean JSON objects, or generate native downloadable Excel workbooks from JSON.

🗄️

SQL Query Formatter & Beautifier (PostgreSQL, MySQL, SQLite)

Format messy SQL code with capitalized keywords (SELECT, FROM, JOIN, WHERE), proper indentation, line wrapping, and dialect support.

⚖️

File Diff Viewer & Side-by-Side Code Comparator

Compare two text files or code snippets side-by-side: highlight character-level additions, deletions, modified lines, and jump between changes.

🔢

Hex to Text & Text to Hex String Converter

Convert plain text strings into hex byte sequences with custom delimiters (0x, spaces, commas) and decode raw hex streams back to UTF-8 text.

0️⃣

Binary to Text & Text to Binary (8-bit ASCII/UTF-8) Converter

Translate English text to 8-bit binary codes (0s and 1s) and decode binary streams back into readable letters, words, and sentences.

🏃

TDEE Calculator (Total Daily Energy Expenditure & Calorie Burn)

Calculate your Total Daily Energy Expenditure (TDEE), basal metabolic rate, and daily calorie deficit or surplus for weight loss or muscle gain.

⚡

BMR Calculator (Mifflin-St Jeor & Harris-Benedict Formulas)

Calculate your Basal Metabolic Rate (calories burned at rest) using scientifically validated Mifflin-St Jeor and Katch-McArdle formulas.

📏

Body Fat Percentage Calculator (US Navy & YMCA Method)

Estimate body fat percentage, lean body mass, fat mass, and fitness category using waist, neck, hip, and height tape measurements.

⚖️

Ideal Body Weight Calculator (Devine, Robinson, Miller, Hamwi & BMI)

Free ideal body weight calculator comparing top clinical formulas (Devine, Robinson, Miller, Hamwi) and healthy BMI weight ranges for men and women.

🔥

Calorie Deficit & Weight Loss Timeline Calculator

Calculate daily maintenance calories, safe deficit target (300-500 kcal), and project your exact target weight milestone dates.

🥑

Macro Calculator (Protein, Carbs & Fats Breakdown)

Calculate personalized daily grams of protein, carbohydrates, and healthy fats tailored for cutting, maintenance, or clean bulking goals.

💧

Daily Water Intake & Hydration Calculator

Calculate recommended daily water intake in liters and cups based on body weight, daily workout intensity, and hot weather conditions.

👶

Pregnancy Due Date & Trimester Timeline Calculator (Naegele Rule)

Calculate estimated baby due date from last menstrual period (LMP) or conception date, current gestational age, and trimester milestones.

🌸

Ovulation & Fertile Window Calendar Calculator

Track menstrual cycle length to pinpoint estimated ovulation day, peak fertility window, next period dates, and potential implantation dates.

💓

Target Heart Rate & Cardio Training Zone Calculator (Karvonen)

Calculate maximum heart rate (MHR) and 5 training zones (Fat Burn, Aerobic, Anaerobic, VO2 Max) using Tanaka and Karvonen formulas.

🏋️

One-Rep Max (1RM) Calculator (Brzycki, Epley, Lombardi)

Estimate your 1-rep max bench press, squat, or deadlift from submaximal lifts, with working weight percentage tables (50%-95%).

📐

Waist-to-Hip Ratio (WHR) & Body Shape Health Risk Calculator

Calculate your Waist-to-Hip Ratio (WHR) and Waist-to-Height Ratio (WHtR) to evaluate visceral fat distribution, apple vs. pear body shape, and cardiovascular health risk according to WHO standards.

⏱️

Running Pace, Speed & Split Time Calculator (5K, 10K, Marathon)

Calculate running pace (min/km and min/mile), speed (km/h and mph), and race finish times for 5K, 10K, Half Marathon, Full Marathon, or custom distances.

🌙

Sleep Cycle & Bedtime Wake-Up Calculator (90-min REM Cycles)

Calculate optimal bedtimes and wake-up alarms based on 90-minute natural sleep cycles to wake up feeling refreshed and energetic.

🧒

Child & Teen BMI Percentile Calculator (CDC / WHO Ages 2-19)

Calculate Body Mass Index (BMI) and exact growth percentile for boys and girls ages 2 to 19 based on CDC and World Health Organization growth chart standards.

👟

Steps to Distance, Miles, Kilometers & Calories Converter

Convert daily step counts (e.g. 10,000 steps) to precise kilometers, miles, walking duration, and burned active calories using your stride length.

🩺

Blood Pressure Category Checker & Mean Arterial Pressure (MAP) Calculator

Check your blood pressure reading (systolic & diastolic mmHg) against AHA/ACC guidelines: Normal, Elevated, Stage 1, Stage 2 Hypertension, or Crisis, plus Mean Arterial Pressure (MAP) and Pulse Pressure.

🍷

Blood Alcohol Content (BAC) & Sober-Up Time Calculator (Widmark)

Estimate blood alcohol concentration percentage, impairment levels, and hours until sober based on drinks consumed, gender, and body weight.

☕

Caffeine Half-Life & Sleep Cutoff Time Calculator

Track caffeine decay curves over 24 hours: see how much active caffeine remains in your bloodstream at bedtime to prevent insomnia.

🥩

Daily Protein Intake Calculator (Hypertrophy & Fat Loss)

Calculate recommended grams of protein per day (g/kg and g/lb) based on resistance training frequency, body weight, and fitness goals.

⏳

Intermittent Fasting Timer & Fasting Window Tracker (16:8, 18:6, OMAD)

Track your fast in real time: monitor metabolic stages (Blood Sugar Drop, Ketosis, Autophagy, Peak Fat Burning) with 16:8, 18:6, 20:4, and OMAD schedules.

📈

Line Graph Maker (Interactive & Export PNG)

Create beautiful, customizable line charts online. Input data manually or upload CSV, adjust colors, smooth curves, labels, and export high-resolution PNG images instantly in your browser.

📊

Bar Chart Maker (Vertical, Horizontal & Export PNG)

Build custom vertical column and horizontal bar charts online. Enter data or import CSV, choose stylish color palettes, configure axis labels, and download crisp PNG images 100% locally.

🥧

Pie & Donut Chart Maker (Custom Colors & Export PNG)

Design modern pie charts and donut graphs in seconds. Easily enter categories and values or upload CSV, customize slice colors, toggle percentage labels, and export high-res PNG charts for presentations.

🏛️

Online Organizational Chart Maker Free (Team Hierarchy & Org Tree Builder)

Create professional organizational charts and team hierarchies online. Add members, assign reporting lines, color-code departments, zoom/pan, import CSV, and export high-res PNG and SVG diagrams.

🖼️

YouTube Thumbnail Downloader

Download HD (1080p, 720p, 480p, and MaxRes) thumbnail images from any YouTube video or Shorts link instantly with zero signups.

🏷️

YouTube Tag Generator & SEO Keywords

Generate high-ranking SEO tags and keywords for your YouTube videos to boost video views, ranking, and algorithmic recommendations.

📋

YouTube Title & Description Extractor

Extract clean titles, descriptions, video IDs, and embed codes from any YouTube URL for competitor research and content planning.

#️⃣

YouTube Hashtag Generator for Shorts & Videos

Generate trending, high-converting hashtags (#shorts, #viral, niche tags) to optimize your YouTube video descriptions and reach new viewers.

🔍

YouTube Channel ID & Handle Finder

Find and verify any YouTube Channel ID (UC...), handle (@name), RSS feed link, and custom channel URLs instantly.

📈

YouTube Trends & Content Idea Explorer

Explore trending YouTube topic frameworks, viral video formats, high-CTR hook formulas, and niche suggestions to plan your next video.