Add Page Numbers to PDF
Insert customizable page numbers into your PDF documents with custom position and styling.
Age Calculator
Calculate exact chronological age in years, months, days, hours, and minutes from birth date at any target date.
Ambient Sound Mixer & Relaxation
Mix soothing ambient sounds like rain, ocean waves, campfire, and wind with calming animated backgrounds to focus, meditate, or fall asleep.
Archery 3D
Draw your bowstring, gauge the shifting crosswinds, and loose arrows into 3D concentric target rings.
Audio Recorder and Trimmer
Record microphone audio, trim sound files, and export voice recordings as MP3 or WAV.
Avatar Creator
Crop a photo into a circular or square avatar and export it as PNG or JPG.
Background Remover
Remove image backgrounds automatically with high-precision AI. Isolate subjects cleanly and export transparent PNGs in seconds.
Base64 Encode & Decode
Encode and decode Base64 text and binary data online with UTF-8 character support, URL-safe Base64, and instant clipboard copying 100% in your browser.
Battleship
Call out grid coordinates to hunt, strike, and sink your opponent's hidden fleet of naval warships.
Black Friday 2026 Deals & Countdown Calculator
Live countdown to Black Friday 2026 with a 3-step stacking discount, sales tax, and genuine deal savings calculator.
Block Puzzle
Drag and fit polyomino wooden blocks into 8x8 rows and columns to clear lines and keep space open.
Block Scoreboard Maker
Create visual card-based scoreboards with large digital scores, custom team colors, podium rankings, and quick-tap increment buttons. Perfect for games, trivia, and classrooms.
Blur Image
Blur an image in your browser and adjust the effect strength before downloading it.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) — the minimum calories your body needs at complete rest. Uses the accurate Mifflin-St Jeor equation.
Breakout
Direct your paddle to bounce steel balls into rows of colored bricks to demolish the wall.
Breathing Exercises
Follow timed breathing exercises with guided inhale, hold, and exhale phases.
Breathing Game
Follow guided visual pacing circles through deep inhalation and exhalation cycles to reduce stress.
Bubble Pop
Aim and fire colored orbs to match clusters of three or more and clear the descending ceiling.
Business Days Calculator
Count Monday-to-Friday working days between two dates.
Calorie Calculator
Estimate your daily calorie needs to maintain, lose, or gain weight based on body stats and activity level. Uses the Mifflin-St Jeor formula.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
Checkers
Jump over enemy draughts pieces, make multi-hop captures, and crown your kings on the dark squares.
Chess
Master the timeless game of kings with tactical piece maneuvers, pawn structures, and checkmate strategies.
Chinese Chess
Command generals, chariots, cannons, and elephants across the central river in ancient Xiangqi warfare.
Christmas 2026 Countdown & Secret Santa Generator
Live countdown to Christmas 2026 with a 100% private in-browser Secret Santa generator, pairwise exclusions, budget rules ($20–$25 office presets), and gift budget planner.
Clicker
Click the giant icon to generate currency, hire automated helpers, and unlock exponential idle upgrades.
Code to Image Converter
Transform source code snippets into gorgeous, shareable images for Twitter, LinkedIn, blog posts, and presentations with customizable gradient backgrounds and themes.
Color Match
Test your cognitive reaction speed by verifying whether written color names match font ink colors.
Compound Interest Calculator
Calculate compound interest growth with customizable compounding periods and regular deposits.
Compress PDF
Compress and reduce PDF file size online without quality loss.
Connect Four
Drop colored discs into a 7x6 vertical grid to connect four in a row before your opponent.
Cronjob Explainer & Generator
Translate crontab schedule expressions into human-readable English, preview upcoming execution dates, and generate cron expressions interactively.
Crop Image
Crop images to custom aspect ratios, circle shapes, or social media dimensions.
CSS Formatter & Beautifier
Format, beautify, and minify CSS code online. Clean up messy stylesheets, indent rules, sort CSS properties alphabetically, and compress stylesheet files client-side.
cURL to Code Converter
Convert cURL command lines into production-ready code snippets for JavaScript Fetch, Axios, Python Requests, Go net/http, PHP cURL, and Node.js.
Currency Converter & Exchange Rates
Convert between 150+ world currencies with live, real-time exchange rates.
Date Calculator
Calculate days between dates or add/subtract years, months, weeks, and days simultaneously from any calendar date.
Device Test
Test and diagnose screen dead pixels, microphone, webcam, audio speakers, and keyboard input.
Dino Runner
Leap over desert cacti and duck beneath pterodactyls in the famous endless obstacle sprint.
Discount Calculator
Calculate final sale price, percent or fixed savings, and optional sales tax.
Document Scanner
Scan physical documents with your camera, enhance clarity, extract text with OCR, and export directly as PDF.
Dots and Boxes
Connect adjacent grid dots with lines to complete four-sided squares and capture territory.
Dummy Text & Lorem Ipsum Generator
Generate free dummy text, Lorem Ipsum placeholder paragraphs, sentences, and lists for design mockups.
Event Countdown Timer
Create live animated countdown timers to important dates, birthdays, and events.
Excel to CSV Converter
Convert Excel XLSX spreadsheets to CSV format with custom delimiters and encodings.
Excel to PDF
Convert XLS and XLSX spreadsheets to printable PDF files directly in your browser.
EXIF & Image Metadata Viewer
Inspect camera hardware, lens details, aperture, ISO, shutter speed, timestamp, and GPS coordinates from your photos without uploading.
Extract PDF Pages
Copy selected pages from a PDF into a new document.
Extract Text from PDF
Extract all text content from PDF files for easy copying, editing, or analysis.
Falling Sand
Experiment with dynamic physics simulations of falling sand, water, fire, plant life, and flammable oil.
Favicon Generator
Convert logos or images into multi-resolution favicon packs (16x16, 32x32, 48x48, 180x180), multi-layer .ico binaries, and ready-to-use HTML code.
Flappy Bird
Tap rhythmically to flap wings and navigate through narrow gaps in green pipes with tight timing.
Flow
Connect matching colored dots with continuous pipes across the grid without crossing or overlapping lines.
Free Grammar & Spell Checker
100% private, client-side grammar, spelling, and style checker powered by WebAssembly. Fix writing mistakes with instant one-click suggestions.
Free Kick
Bend curved soccer ball shots around defensive walls and beat the diving goalkeeper into the goal net.
Freecell
Solve open-deal solitaire by utilizing four temporary holding cells to organize cards into suit piles.
Fruit Catcher
Slide your fruit basket across the bottom of the screen to catch falling orchard fruits and build combos.
Fuel Economy & Gas Mileage Calculator
Convert L/100 km, km/L, U.S. MPG, and Imperial MPG, compute gas mileage from odometer readings, and estimate trip fuel costs.
Full-Screen World Clock
Real-time full-screen digital and analog world clock for international cities and time zones.
Futoshiki
Solve Japanese logic grids by placing numbers that respect greater-than and less-than inequality signs.
GIF Maker & Video to GIF
Convert video clips or images into animated GIF files fast and free in your browser.
Go 9x9
Play the ancient game of territory control on a fast-paced, beginner-friendly 9x9 Go grid.
Gomoku
Compete on an open 15x15 Go grid to be the first player to form an unbroken line of five stones.
Hashi
Build single and double bridges between numbered islands to connect all nodes into a single network.
HEIC to JPG
Convert HEIC and HEIF photos to compatible JPG images in your browser.
Hex Minesweeper
Sweep a hexagonal grid of danger tiles using numeric proximity clues across six neighboring cells.
HTML Encoder / Decoder
Encode special characters into safe HTML entities or decode HTML entities back into plain readable text with support for named, decimal, and hex entities.
HTML Formatter & Beautifier
Format, beautify, and minify HTML, XML, and SVG markup with clean indentation, comment stripping, and real-time live preview.
Ideal Weight Calculator
Calculate your healthy ideal weight range using 4 clinical medical formulas (Devine, Robinson, Miller, Hamwi) and WHO BMI guidelines.
Image Color Picker & Palette Extractor
Pick exact pixel colors from any image using an interactive loupe, and automatically extract dominant color palettes with instant HEX, RGB, HSL, and CSS export.
Image Compressor
Compress JPEG, PNG, and WebP images to reduce file size without noticeable quality loss.
Image Converter
Convert images between JPEG, PNG, WebP, AVIF, and TIFF formats with fast, secure server-side processing.
Image Metadata Remover
Remove EXIF, GPS, camera, and other metadata from images.
Image Resizer
Resize images to exact pixel dimensions, aspect ratios, or percentage scaling directly in your browser.
Image Splitter & Instagram Grid Maker
Slice photos into 3×3 profile grids or swipeable 3×1 panorama carousels. Download numbered ZIP files in exact Instagram posting sequence.
Image to SVG Vectorizer (True Vector Paths)
Convert monochrome logos, signatures, sketches, and icons from PNG or JPG into true scalable SVG vector <path> coordinates with zero base64 embedding.
Image Upscaler (High-Fidelity Resampling — Non-AI)
Enlarge photos 2× to 4× with stepped multi-pass bicubic interpolation and unsharp masking. Sharp, clear enlargement with zero hallucinated AI artifacts.
Images to PDF
Convert multiple JPG, PNG, and WebP images into a single professional PDF document.
Inflation Calculator
Calculate the impact of inflation on purchasing power and future money value.
Installment & Instalment Calculator
Calculate Buy Now Pay Later (BNPL) monthly payments and installment schedules.
Investment Return Calculator
Calculate total Return on Investment (ROI), compound annualized return (CAGR), and trade profit.
JavaScript Formatter & Beautifier
Format, beautify, and minify JavaScript and TypeScript code online. Clean up indentation, standardize semicolons and quotes, and compress scripts 100% in your browser.
JavaScript Minifier
Compress, shrink, and minify JavaScript and ECMAScript code online. Strip whitespace and comments while preserving strings and regex literals for faster web page loads.
JSON Diff & Compare Online
Compare two JSON structures side-by-side with automatic key sorting, colored difference highlights, and change breakdown.
JSON Formatter & Validator
Format, beautify, validate, and minify JSON data online with instant syntax error highlighting and tree inspection.
JSON to CSV / CSV to JSON Converter
Convert JSON to CSV and CSV to JSON online. Transform array records into spreadsheet-compatible CSV tables with delimiter options, nested object flattening, and instant download.
JSON to YAML / YAML to JSON Converter
Convert JSON to YAML and YAML to JSON online. Fast bi-directional serialization with indentation control, syntax error checking, and zero server uploads.
JSON Tree Viewer
Explore, navigate, and inspect complex JSON payloads with an interactive collapsible tree viewer, type badges, node search, and JSON path copying.
JSON Validator & Syntax Linter
Validate JSON syntax online with line and column error indicators, RFC 8259 compliance checks, structure tree inspection, and one-click auto-repair for common syntax errors.
JWT Debugger & Decoder
Decode, inspect, and verify JSON Web Tokens (JWT) online. View claims, expiration dates, signature verification, and build tokens safely 100% in your browser.
Kakuro
Fill cross-sum numerical crossword grids with digits 1 through 9 without repeating numbers in any run.
Kenken
Fill grid cages with digits that satisfy target arithmetic sums, differences, products, and quotients.
Knight's Tour
Guide the chess knight to step onto every square of the chessboard exactly once in this historic challenge.
Laser Box
Rotate mirrors, prisms, and beam splitters to guide laser light onto target optical receptors.
LED Banner Online Free - Scrolling Text
Create a free scrolling LED banner sign online. Customize colors, speed, text size, blink effects, and full-screen display.
Lights Out
Flip grid switches to toggle adjacent light states and turn off every illuminated cell on the board.
Live Leaderboard & Scoreboard Maker
Create interactive, real-time scoreboards and live leaderboards. Store scores in fast cloud Redis, share read-only live spectator links, customize rankings, and track expiration (5-day alive TTL).
Loan Calculator
Calculate monthly loan payments, amortized fixed schedules, and total interest cost.
Loan Comparison Calculator
Compare two loan options side by side with amortized fixed payments and total interest.
Lucky Spin Wheel
Spin the lucky wheel to pick random names, make decisions, raffle prizes, or choose winners with realistic physics and sound.
Macro Calculator
Calculate your daily macronutrient breakdown (protein, carbs, fats) and calorie targets for weight loss, maintenance, or muscle gain.
Mahjong
Find and match unblocked pairs of traditional Chinese tiles to dismantle multi-layered 3D pyramids.
Mancala
Sow and capture glass seeds through wooden pits and storehouses in the world's oldest pit-and-pebble game.
Markdown Preview & Editor
Live preview, edit, and convert Markdown (.md) documents online. Supports GitHub Flavored Markdown (GFM), tables, task lists, code blocks, HTML export, and real-time word counting.
Mastermind
Crack the secret four-color peg combination in ten turns or fewer using deductive feedback clues.
Math for Kids
Engaging educational mini-games helping young learners practice counting, addition, subtraction, and patterns.
Maze
Navigate winding labyrinth corridors, avoid dead ends, and discover the path to the finish line.
Meme Generator & Text Overlay
Create viral memes instantly with classic Impact fonts, custom captions, draggable multi-layer text boxes, and zero watermark.
Memory Match
Flip pairs of hidden cards to find matching icons and sharpen your short-term visual memory.
Merge & Combine Images
Combine multiple images side by side, stacked vertically, or in a neat grid. Customize margins, spacing, rounded corners, and download high-resolution JPG or PNG.
Merge Excel Files Online & Split
Combine sheets from multiple Excel files into one workbook, or split a workbook into separate files. Private, client-side, and free.
Merge PDF
Combine multiple PDF files in your chosen order without uploading them.
Minesweeper
Flag hidden explosive mines and safely uncover empty squares using numerical proximity clues.
Mortgage Calculator
Estimate monthly mortgage payments including property taxes, home insurance, and PMI.
Multi Tally Counter Clicker
Interactive multi-counter tally clicker board. Count event attendance, inventory items, fitness repetitions, or votes with responsive clicker buttons, step sizes, goal progress bars, and grand totals.
Multi-Round Scoresheet Maker
Create interactive multi-column scoring sheets for game nights, pub trivia, tournaments, bowling, and golf. Track rounds, auto-calculate sums, averages, and ranks.
Nine Men's Morris
Form alignments of three pieces along board lines to capture enemy counters in this Roman strategy classic.
Noise Meter
Measure real-time sound decibel levels (dB) and ambient noise using your device microphone.
Nonogram
Decode numeric row and column clues to reveal hidden pixel art illustrations in Japanese picross grids.
Number Search
Locate hidden multi-digit sequences running horizontally, vertically, and diagonally in a grid of numbers.
Online Calculator
Standard and scientific online calculator with calculation history and keyboard shortcuts.
Online Drawing Tool
Digital canvas for sketching, painting, taking notes, and drawing with brush and shape tools.
Online File Viewer
View documents, images, code, and text files instantly in your browser without extra software.
Online Photo Booth
Take vintage photobooth strips and camera photos with retro filters and countdown timers.
Online Poll Maker
Create instant online polls with real-time server voting. Support single or multiple choice questions, duplicate vote prevention, live animated results, shareable links, and embeddable widgets.
Online Teleprompter
Read a scrolling script with adjustable speed, text size, mirroring, and full-screen controls.
Othello
Flank and flip your rival's discs on an 8x8 board to claim the majority in classic Reversi.
Passport & ID Photo Maker
Crop and format passport, visa, and ID photos with standard dimension presets, biometric head guides, and 300 DPI 4x6" printable sheet layouts.
Password Generator
Generate strong, cryptographically secure random passwords in bulk with custom length, bracket exclusion, and unique character options.
Password Strength Checker
Evaluate password strength, entropy bits, brute-force crack time, and potential vulnerabilities.
Paycheck & Take-Home Pay Calculator
Calculate net take-home pay after federal taxes, social security, and deductions.
PDF Editor
Annotate, highlight, add text, draw, and edit PDF documents right in your browser.
PDF to JPG
Convert selected PDF pages into high-quality JPG images.
PDF to Word Converter
Extract text and convert PDF documents into editable Word files.
Percentage Calculator
Calculate percentage change, difference, discounts, and common percentage formulas.
Piano Tiles
Tap cascading black piano tiles in time with classical melodies without hitting the wrong note.
Pixel Art
Create retro pixel art illustrations with custom palettes, layers, grid lines, and PNG export tools.
Pong
The legendary retro table tennis duel—bounce the square ball past your opponent's paddle to score points.
PowerPoint to PDF
Convert PowerPoint PPTX and PPT presentations to PDF documents directly in your browser.
Pregnancy Due Date Calculator
Estimate your baby delivery due date, current gestational age, trimesters, and key developmental milestones from LMP, conception, or IVF.
Protect or Unlock PDF
Add password encryption to secure your PDF or unlock password-protected documents.
QR Code Generator and Scanner
Generate custom QR codes for URLs, text, Wi-Fi, and scan existing QR codes from files or camera.
Quick Photo Adjuster & Filters
Adjust brightness, contrast, saturation, and exposure, or apply 1-click aesthetic presets (Vivid, B&W, Vintage, Cyberpunk) with instant live preview.
Quoridor
Navigate your pawn across the board while tactically placing wooden fences to block your rival.
Rail Loop
Rotate curved and straight train track tiles to form seamless continuous railway circuits.
Random Team & Group Generator
Automatically divide any list of names into fair, balanced teams or groups. Customize team names, assign captains, and export results instantly.
Randomizer and Name Picker
Pick random names, roll dice, flip coins, and generate random lists or numbers.
Regex Tester & Debugger Online
Test, evaluate, and debug regular expressions in real-time with visual match highlights, capture group inspection, and quick regex cheat sheets.
Remove Duplicate Lines
Remove repeated lines while preserving their first occurrence.
Retirement Calculator
Estimate future retirement savings, forecast 401(k) and IRA compound investment growth, account for inflation, and check your retirement readiness score.
Rotate & Flip Image
Rotate images 90, 180 degrees or straighten by custom angles. Flip photos horizontally or vertically with instant lossless browser processing.
Rotate PDF
Rotate every page or only selected PDF pages.
Running Pace Calculator
Calculate running pace, finish time, and distance for 5k, 10k, half marathon, and marathon.
Sales Tax & VAT Calculator
Calculate sales tax or VAT, net before-tax price, and final tax-inclusive total.
Secure Message Encryption
Encrypt and decrypt sensitive text messages with AES-GCM encryption and custom passphrases.
Sign PDF
Sign PDF documents online with a drawn, typed, or uploaded signature image.
Simon Says
Memorize and reproduce increasingly long sequences of flashing colored buttons and musical tones.
Sliding Puzzle
Slide numbered tiles into sequential order using a single empty space in the classic 15-puzzle.
Slitherlink
Draw a single continuous closed loop around numbers indicating how many surrounding sides are visited.
Snake
Slither around the screen to collect food, grow your tail longer, and avoid running into walls or yourself.
Social Media Image Resizer
Resize images for YouTube, Instagram, Facebook, Twitter, and LinkedIn with exact aspect ratio presets.
Solitaire
Sort a 52-card deck into four foundation suits from Ace to King in classic Klondike Solitaire.
Sort Lines
Sort lines naturally, alphabetically, or by length.
Sos
Place S and O letters into grid squares to form the word S-O-S and outscore your opponent.
Sound Memory
Listen to melodic tonal sequences and play back the exact musical pattern on colorful sound pads.
Speed Math
Test your mental math agility by solving rapid arithmetic equations before the countdown clock runs out.
Spider Solitaire
Build descending columns of cards in suit from King down to Ace across eight tableau piles.
Split PDF
Split a PDF into separate files using custom page ranges.
Sports Match Scoreboard
Professional head-to-head stadium scoreboard with digital game clock, period tracking, quick scoring (+1, +2, +3), team fouls, timeouts, possession arrow, and arena buzzer sounds.
SQL Formatter & Beautifier
Format, beautify, and minify SQL queries online. Standardize uppercase keywords, indent joins and subqueries, and clean syntax client-side with zero data sent to external servers.
Stack Tower
Time your block drops with precision to stack a towering skyscraper without shaving off excess width.
Star Battle
Place stars into partitioned grid zones so that each row, column, and island contains exactly two stars.
Sudoku
Fill a 9x9 grid with numbers 1 to 9 so every row, column, and 3x3 box contains all digits without repetition.
Suika
Drop and collide matching fruits to merge them into larger fruits until you form the giant watermelon.
SVG to PNG
Convert SVG graphics to transparent, high-resolution PNG images.
Tangram
Arrange seven traditional geometric polygons to fit silhouettes without overlapping any puzzle piece.
TDEE Calculator
Calculate your Total Daily Energy Expenditure (TDEE) — total calories burned per day including activity, NEAT, and digestion. Your true maintenance calorie level.
Tesla Roadster 3D
Accelerate the all-electric supercar through winding city streets and high-speed drag racing tracks.
Tetris
Rotate and drop falling geometric blocks into complete horizontal lines to prevent the matrix from topping out.
Text Comparison Tool
Compare two text snippets or code blocks side-by-side with highlighted character and line differences.
Thanksgiving 2026 Countdown & Dinner Budget Planner
Live countdown to Thanksgiving 2026 (November 26) with a home-cooking turkey & sides estimator, and a catered/restaurant dinner budget calculator with guest splitting and tip estimation.
Threes
Slide number cards to combine ones and twos into threes, then merge matching multiples for high scores.
Tier List Maker
Create custom tier lists with local image upload. Drag and drop images into S, A, B, C, D tiers, customize tier colors and labels, and download high-resolution tier list images directly in your browser with zero server upload.
Time Zone Converter
Convert dates and times across international time zones with DST support.
Timer, Stopwatch and Pomodoro
Online timer, precision stopwatch, and Pomodoro focus tracker with custom intervals and alarms.
Tip Calculator & Bill Splitter
Calculate tip amounts and split restaurant bills evenly among people.
Tournament Bracket Maker
Create interactive single elimination tournament brackets for 4, 8, or 16 teams. Advance match winners with one click, enter match scores, shuffle seeds, crown champions with confetti, and print brackets.
Tower of Hanoi
Transfer the stack of ascending disks to another peg one by one without placing a larger disk on a smaller one.
Traffic Racer
Weave between high-speed highway cars, dodge lane blockers, and race down the asphalt highway.
Unit Converter
Convert length, area, mass, volume, temperature, speed, and time across metric, U.S., and Imperial units.
Universal BMI Calculator
Calculate Body Mass Index (BMI) with both Imperial (lbs/feet) and Metric (kg/cm) units.
Untangle
Move network nodes around the plane to untangle crisscrossing lines until zero edges intersect.
URL Encode & Decode Online
Encode or decode URL components and query strings with percent encoding.
URL Slug Generator
Transform titles, headings, and product names into clean, SEO-friendly URL slugs with custom separators, stop word removal, and accent transliteration.
US Events Calendar 2026–2028
Explore all United States federal holidays, state observances, cultural festivals, shopping sales events, and major sports championships throughout 2026, 2027, and 2028.
US Navy Body Fat Calculator
Estimate body fat percentage and lean body mass using the official U.S. Navy circumference method. More accurate than BMI for assessing body composition.
UUID / GUID Generator
Generate secure, cryptographically random Version 4 (v4) and time-ordered Version 7 (v7) UUIDs and GUIDs with custom formatting, bulk batch generation, and live inspection.
Video to Audio Converter
Extract high-quality MP3, WAV, and AAC audio tracks from MP4, WebM, and MOV videos.
Video Trimmer
Cut, trim, and clip MP4 and WebM videos with precision start and end timestamps.
Virtual Rage Room
Smash computers, televisions, plates, and vases in a satisfying, stress-relieving digital sandbox.
Water Intake Calculator
Estimate daily water intake from your body weight and exercise time.
Water Jug Puzzle
Pour water back and forth between different capacity jugs to measure out exact target liquid amounts.
Water Ripple
Touch and drag across virtual water to generate fluid wave dynamics, reflections, and ripples.
Watermark Images and Videos
Add custom text or logo image watermarks to photos and videos with adjustable transparency.
Whack-a-Mole
Test your reflexes and whack sneaky moles popping out of underground holes before they disappear.
Word and Character Counter
Count words, characters with/without spaces, lines, and paragraphs in real time.
Word Counter & Keyword Density
Count words, characters, sentences, reading time, keyword density, and social media character limits.
Word to PDF Converter
Convert DOCX Word documents into clean, high-fidelity PDF files with secure server-side processing.
Wordie
Guess the secret five-letter mystery word within six guesses with colored tile feedback after each try.
Work Hours & Timecard Calculator
Calculate weekly work hours, single shift durations, time rounding, lunch breaks, overtime, and gross paycheck estimate.
World Memory Quest: Flags, Capitals & Greetings
Flip cards to match world flags, country names, capital cities, and native greetings across 35+ nations.