Explore Tools

This online tool provides a fun and practical way to make random choices, ideal for decisions in meetings, interactive games, and beyond.

Create random groups from a participant list with flexible size or count options.

Simulate a Japanese shrine omikuji and draw fortunes from great blessing to great curse online.

Generate random strings with various customization options using this free online tool.

Generate multiple UUIDs in versions 1, 3, 4, and 5 with custom namespace options.

Generate multiple ULIDs that stay sortable by time and easy to read.

This free online tool can help you easily generate globally unique IDs calculated by Twitter's Snowflake algorithm.

Create random meaningless essays based on a topic using this free online tool.

Convert colors between RGB, HEX, HSL, CMYK and HWB formats with this free online tool.

Convert Unix Timestamps to human-readable dates instantly with this free online tool. Supports seconds, milliseconds, and more.

This free online tool can help you check and display the current time.

Start, stop, and reset a basic stopwatch with this free online tool.

Set a time and count down to zero with this free online tool.

Enter enlistment and discharge dates to follow your service progress in real time with day or hour precision plus encouraging status messages.

Enter two time values to get their sum and difference.

Add days or hours to a starting moment, calculate date differences, and filter out weekends or custom days.

Generate random dates or datetimes within a custom range, with filters for weekdays and exclusions.

Paste almost any date or time string to instantly view ISO, RFC, local, UTC, Unix timestamps, and relative differences with handy copy and share controls.

Enter a cron expression to see its human-readable description and upcoming run times.

Fill the numbers 1-9 in the grid to solve the Sudoku puzzle.

A puzzle game combining Japanese learning with match-and-connect mechanics. Tap cards to hear pronunciations, match identical kana, and connect them to clear the board. Learn the Japanese syllabary naturally while solving puzzles and aiming for higher scores!

Experiment with Conway's Game of Life.

Play Gomoku against the computer or a friend.

Play Tic-Tac-Toe against the computer or a friend.

Play Reversi against the computer or a friend.

Play the classic snake game.

Track baseball games with configurable inning formats, fullscreen display, automatic local saving, and quick reset controls.

Track basketball scores, periods, and a customizable game clock with fullscreen mode and local autosave.

Manage cricket matches with selectable formats, fullscreen view, local autosave, and quick reset controls.

Track football scores with configurable match formats, fullscreen display, and automatic local saving.

Track volleyball matches with configurable formats, fullscreen display, local autosave, and quick reset controls.

Keep track of table tennis games with configurable formats, fullscreen display, local autosave, and quick reset controls.

Track tennis points, games, and sets with customizable formats, fullscreen mode, and automatic local saving.

Convert Traditional Chinese text to Simplified Chinese using advanced settings with this free online tool.

Convert Simplified Chinese text to Traditional Chinese with advanced options using this free online tool.

Replace tabs with a specified number of spaces using this free online tool.

Convert text between uppercase, lowercase, title case and random case with this free online tool.

Paste reStructuredText and convert it into clean Markdown instantly.

Paste Markdown and convert it into clean reStructuredText instantly.

This free online tool helps you easily compare differences in your JSON data

This free online tool helps you easily compare differences in your YAML data

This free online tool helps you easily compare differences in your TOML data

This free online tool helps you easily compare differences in your text data

Minify your json data with this free online JSON minifier.

Minify your html code with this free online HTML minifier.

Minify your js code with this free online JavaScript minifier.

Minify your css code with this free online CSS minifier.

Combine and merge multiple JSON objects into one seamlessly. Essential free online JSON merger for API integration, data consolidation, and configuration management tasks.

Merge two different YAML into one using this free online YAML merger with various advanced options.

Merge two different TOML into one using this free online TOML merger with various advanced options.

Convert images into ICO files by selecting your preferred icon size with this free online tool.

Easily convert images to PNG format with multiple advanced options using this free online service.

Effortlessly convert images to JPG format with various customization options using this free online service.

Convert images to BMP format with advanced customization options using this free online tool.

Seamlessly convert images to TIFF format with multiple settings using this free online service.

Compress multiple images at once with quality, resize, and format controls. Optimize JPG, PNG, or WebP with instant previews.

Create custom QR Codes instantly. Supports URLs, text, and Wi-Fi configurations. Customize colors and sizes.

Edit mermaid charts and diagrams effortlessly with this free online editor.

Convert your JSON data to TOML format with various advanced options using this free online converter.

Convert your JSON data to TOML format using this free online converter with various advanced options.

Convert your JSON to JavaScript object format with various advanced options using this free online converter.

Convert your JSON to Python dict format using this free online converter with various advanced options.

Convert your JSON data into Go struct definitions with automatic type inference using this free online converter.

Paste your CREATE TABLE statements to instantly generate idiomatic Go struct definitions with customizable naming rules.

Convert your YAML data to JSON format using this free online converter with various advanced options.

Convert your YAML data to TOML format using this free online converter with various advanced options.

Convert your YAML to JavaScript object format using this free online converter with various advanced options.

Convert your TOML data to JSON format using this free online converter with various advanced options.

Convert your TOML data to YAML format using this free online converter with various advanced options.

Convert your TOML to JavaScript object format using this free online converter with various advanced options.

Convert your JavaScript object to JSON format with various advanced options using this free online converter.

Convert your JavaScript object to YAML format using this free online converter with various advanced options.

Convert your JavaScript object to TOML format using this free online converter with various advanced options.

Convert your JavaScript object to Python dict format using this free online converter with various advanced options.

Convert your Python dict to JSON format using this free online converter with various advanced options.

Convert your Python dict to YAML format using this free online converter with various advanced options.

Convert your Python dict to TOML format with various advanced options using this free online converter.

Convert your Go struct definitions into JSON examples with this free online converter, including nested structs, slices, and maps.

This free online tool helps you easily convert between US customary units (feet + inches, pounds) and metric units (centimeters, kilograms).

Quickly convert length measurements between metric and imperial units (km, m, cm, mile, foot, inch, etc.).

Quickly convert weight measurements between metric, imperial, and traditional Chinese units (kg, lb, catty, tael, etc.).

Generate MD5 hash values from text, passwords, and files instantly. Free online MD5 generator for data integrity verification, checksums, and development tasks.

Generate SHA-1 hash values from text, passwords, and files instantly. Free online SHA-1 generator for cryptographic hashing, digital signatures, and security applications.

Generate SHA-224 hash values from text, passwords, and files instantly. Free online SHA-224 generator for enhanced security, data integrity, and cryptographic applications.

Generate SHA-256 hash from any string with this free online SHA-256 generator.

Generate SHA-384 hash from any string with this free online SHA-384 generator.

Generate SHA-512 hash from any string with this free online SHA-512 generator.

Convert text, files, and data to Base64 encoding instantly with our free online Base64 encoder. Perfect for developers, web designers, and data processing tasks.

Decode Base64 encoded strings back to original text, files, and data instantly. Free online Base64 decoder for developers, programmers, and data analysis tasks.

Encode your data into Base32 format with this free online Base32 encoder.

Decode your Base32 encoded string with this free online Base32 decoder.

Convert text to URL-safe format with percent encoding. Essential free online tool for web developers, API integration, and HTTP parameter handling.

Decode URL-encoded strings back to readable text instantly. Essential free online tool for web developers, debugging URLs, and processing HTTP parameters.

Instantly format and validate messy JSON data into a readable layout. A simple and powerful tool for debugging and development.

Format, beautify, and validate YAML configuration files instantly. Essential free online YAML formatter for DevOps engineers, system administrators, and configuration management.

Format, beautify, and validate XML documents instantly. Essential free online XML formatter for web developers, SOAP services, RSS feeds, and enterprise application integration.

Format your HTML code with this free online HTML formatter with various advanced options.

Format your JavaScript code with this free online JavaScript formatter with various advanced options.

Format your CSS code with this free online CSS formatter with various advanced options.

Format your SQL code with this free online SQL formatter with various advanced options.

View your JSON data in a user-friendly format using this free online tool.

Validate People's Republic of China resident identity numbers with format checks, birthdate parsing, checksum explanations, and a compliant random generator.

Verify Macau resident identity card (BIR) numbers with format guidance, weighted check digit calculation, and an optional random generator.

Verify Italian codice fiscale numbers instantly with format validation, birthdate decoding, check character calculation, and a compliant random generator.

Verify Brazilian CPF numbers instantly with format validation, repeated-digit detection, checksum explanation, and a compliant random generator.

Verify Taiwan citizen ID numbers instantly with format rules, checksum calculation, and an optional random generator.

Verify Hong Kong identity card numbers instantly with format rules, weighted check digit calculation, and a random HKID generator.

Verify Spanish DNI and NIE identification numbers instantly with format validation, modulus-23 check letter calculation, and a compliant random generator.

Validate India Aadhaar numbers with 12-digit format rules, starting digit requirements, and Verhoeff checksum analysis. Includes a compliant random number generator for testing.

Validate international phone numbers, view E.164 and national formats, and generate random compliant samples for testing.

Generate RSA public and private keys entirely in your browser with adjustable key sizes.

Mask sensitive areas in screenshots with blur, pixelation, or solid covers.

Upload a PDF and instantly extract its text for copying, editing, or sharing.

Upload an image and instantly recognize text for copying, editing, or sharing.

Check your IP address along with your geographical location using this free online tool.

Evaluate your screen for various issues like dead pixels and light bleeding using this free online tool.

Verify that your keyboard keys work correctly with this interactive tester.

Upload a portrait, write your bio, and share a polished personal profile directly through the URL.

Increase or decrease numbers with a customizable step in this free online counter.

Explore the story behind Paji toolset: A software engineer's journey in creating essential online tools for everyday use.

This section outlines our privacy policy, explaining how we handle and protect your personal data.

Find support and contact information.

Through a gentle ritual and honest reflection, discover where your heart truly lies.

Set your workday start and end times to see real-time progress, remaining time, and motivating updates.

Pick themes, decide how many excuses you need, and we remix your burnout tales into shareable, tongue-in-cheek resignation reasons.

Track your earnings while you take a break. This isn't stealing, it's your well-deserved rest converted into Bubble Teas and Movie Tickets.

Sometimes even calculating your salary feels exhausting. Just shut down your brain. No goals, just pure, meaningless relaxation.

Track the seconds until your freedom. Set your resignation date, get inspired by farewell messages, and leave with grace.

Turn your resignation into a scrolling full-screen announcement with an optional headline and auto-generated snarky text.

Craft a shareable certificate that records your name, final work date, and the heroic reason you left the company.

Type a coworker's name or title to instantly estimate their obedience index, overtime addiction, escape odds, and a tailor-made roast list.

Combine tone, talking points, and handover plans to generate an editable resignation letter draft.

Combine your savings, safety buffer, and monthly spending to see how many months of runway you have after resigning.

Browse popular job-hunting, career-change, and freelance platforms across different regions with search and filters to quickly find your next opportunity.

Quickly search common stains and follow step-by-step removal tips that are safe for daily fabrics.

Scan common laundry symbols, filter by category, and read care details at a glance.

Identify plastic resin codes (1-7), check microwave safety, and learn proper recycling methods.

Browse the complete Unicode emoji set with localized names, keywords, code points, and version info. Multilingual search supported.

Compare bra band sizes and cup measurements across Taiwan, US/UK, Europe, and Japan with optional filters.

Explore international size comparisons for tops and bottoms across men, women, and kids. Filter the chart and quickly match regions side by side.

Browse a practical chart of adult and kids shoe sizes across regions and compare any two countries side by side.

Browse a curated overview of major global car brands, their parent companies, manufacturing origins, launch years, and market positioning. Filter by region, segment, or parent group and quickly spot related marques across alliances.

Compare popular 16:9 TV sizes with their width, height, screen area, and suggested viewing distances for 1080p and 4K. Use filters to quickly find the sizes that fit your room.

ISO 216 standard paper sizes (A, B, C series) reference table.

Identify common dashboard warning lights, filter by color, and learn what to do next.

Look up voltage, frequency, and plug types by country. Filter by region or plug type and share the link before you pack your adapters.

Unsure what “NH” or “UAE” stands for? Enter an IATA or ICAO code to reveal the airline name, alliance, and home country—plus concise notes for quick understanding.

Look up airport names, home cities, and countries with IATA or ICAO codes. Perfect for planning trips, filling ticket forms, or matching codes on your boarding pass.

Customize a travel packing list, check off items as you prepare, and share the link with your travel companions.

Customize a pre-show checklist, track what you've packed, and share the link with friends heading to the same concert.

Compare A/B/O/AB personality rhythms, strengths, collaboration tips, and compatibility notes.

View Chinese zodiac signs with corresponding Gregorian and ROC years and ages.

Display zodiac signs with their corresponding birth date ranges.

Quickly compare MBTI roles, strengths and cognitive stacks with handy filters.

Decode common Formula 1 vocabulary across cars, tyres, team radio, and weather planning in one place.

Discover core cricket lingo covering batting shots, bowling tricks, match regulations, and analyst jargon.

Learn essential tennis lingo from scoring quirks to equipment, playing styles, major tours, and player entry rules.

Explore the language of world football—from pressing schemes and formations to advanced stats and transfer jargon.

Decode rugby talk from scrums to kicking duels with multilingual explanations and match-ready context.

Explore common NBA lingo with clear explanations, abbreviations, and modern analytics.

Learn core boxing vocabulary covering punch types, defense, officiating terms, and gym culture.

Decode modern golf jargon from scoring lingo to advanced stats, complete with usage tips.

Decode modern baseball language with clear explanations for stats, strategies, and roster moves.

Decode key NFL lingo across offense, defense, special teams, and analytics with multilingual explanations.

Discover common NHL lingo covering positions, strategy, goalie techniques, and modern analytics.

Explore how iconic chilies from bell peppers to Carolina Reaper compare in heat, flavor, and best cooking methods, with quick filters for origin and form.

Explore bread, pastry, durum, whole-grain and gluten-free flours with details on protein ranges, gluten behavior, absorption and culinary applications.

Compare core coffee beverages at a glance, including espresso styles, milk-based drinks, cold signatures, and brew-bar methods with ingredients, textures, and serving guides.

Discover key spirit families, fortified wines, and liqueurs at a glance with base ingredients, production style, ABV, serving ideas, and signature cocktails for bar programs or home enthusiasts.

Explore essential tea styles from green, oolong, black, white, dark, scented to herbal infusions with detailed origins, processing notes, brewing ratios, and caffeine guidance.

Quickly compare tenderloin, rib, striploin, sirloin, chuck, and round steaks with details on texture, flavor, ideal doneness, and recommended cooking methods.

Explore shoulder, loin, belly, leg, and head cuts with details on fat level, texture, best cooking techniques, and classic dishes from around the world.

Explore cane, beet, palm, coconut, maple, fruit, and malt sugars with details on how they are processed, flavor profile, sweetness intensity, and best culinary applications.

Explore sea, rock, lake, smoked, and infused salts with details on how they are harvested, refined, and best applied in the kitchen.

A quick guide to keeping your fruits and vegetables fresh.

Match household-friendly dog breeds at a glance with search plus size, energy, and shedding filters alongside care notes in every language.

Explore apartment-friendly, allergy-aware, and adventure-ready cat breeds with search plus size, energy, and shedding filters, alongside multilingual care notes.

Compare gentle fancy mice, pygmy explorers, and hypo-friendly hamsters with search plus size, energy, and shedding filters alongside multilingual care notes。

Compare family-friendly rabbit breeds with search plus size, energy, and shedding filters, then review multilingual care notes.

Compare companion bird breeds with quick search plus size, energy, and shedding/dander filters, complete with multilingual care notes.

Browse common freshwater fish with quick search plus size, energy, and waste/cleanup filters, including multilingual care notes.

Browse common turtles and tortoises with quick search plus size, energy, and cleanup filters, including multilingual care notes.

Quick reference for common image sizes, ratios, and formats across web, social, print, and slides.