Tool Guide
AutoApply Assistant
Tailor job applications, craft cover letters, and track interview pipelines with private local storage.
Guides
How-to Guides for Every Tool & Game
Short, practical walkthroughs, tips, and gameplay controls for LilUtils.
Everyday Tools
Practical walkthroughs to help you get the most out of our everyday utilities.
Tool Guide
QR Generator
Generate high-resolution QR codes for website URLs, plain text, and WiFi networks with instant preview.
Tool Guide
Unit Converter
Convert length, weight, temperature, volume, and speed between metric and imperial systems instantly.
Tool Guide
Text Cleaner
Remove duplicate spaces, strip empty lines, clean tabs, and normalize messy copy-paste text instantly.
Tool Guide
Age Calculator
Calculate exact chronological age in years, months, and days with next birthday countdown.
Tool Guide
Word Counter
Count words, characters with/without spaces, sentences, paragraphs, and estimate reading time.
Tool Guide
Password Generator
Generate cryptographically secure passwords locally with customizable length, symbols, and strength ratings.
Tool Guide
Case Converter + Slugify
Convert text between camelCase, snake_case, kebab-case, PascalCase, UPPERCASE, and generate clean SEO URL slugs.
Tool Guide
Timezone Converter / World Clock
Compare world times and plan international meetings across global timezones with working hours overlap.
Design Tools
Practical walkthroughs to help you get the most out of our design utilities.
Tool Guide
Social Image Resizer
Crop and resize images to exact aspect ratios for Instagram, X/Twitter, LinkedIn, and YouTube in one pass.
Tool Guide
Color Palette Generator
Extract dominant color palettes from images or generate harmonious color schemes with instant CSS export.
Tool Guide
Gradient Builder
Build smooth CSS linear and radial gradients with interactive color stops, angles, and live code generation.
Tool Guide
Favicon Generator
Generate complete favicon asset bundles, Apple touch icons, and HTML head tags from any square image.
Tool Guide
OG Image Generator
Create branded 1200x630 Open Graph social share preview cards for blog posts, documentation, and products.
Tool Guide
Image Compressor
Compress JPEG, PNG, and WebP images locally with custom quality settings to reduce file size without server uploads.
Tool Guide
SVG Optimizer / Minifier
Minify and clean SVG code locally by stripping redundant metadata, comments, and whitespace for production.
Tool Guide
Color Contrast Checker
Check WCAG 2.1 AA and AAA color contrast ratios for text and UI components to guarantee digital accessibility.
Developer Tools
Practical walkthroughs to help you get the most out of our dev utilities.
Tool Guide
JSON Formatter
Format, validate, and minify JSON with real-time syntax error line highlighting and tree inspection.
Tool Guide
JWT Decoder
Decode JWT headers and claims locally with expiration status and optional RSA public-key signature verification.
Tool Guide
Regex Tester
Test regular expressions with real-time match highlighting, regex flags, capture groups, and common presets.
Tool Guide
Base64 Encode/Decode
Encode and decode plain text and files to Base64 format with full UTF-8 character and emoji support.
Tool Guide
UUID Generator
Generate cryptographically unique RFC 4122 Version 4 UUIDs in bulk with uppercase and hyphen toggles.
Tool Guide
Cron Parser
Translate cron expressions into plain English schedules and preview the next 5 upcoming execution times.
Tool Guide
Sitemap Generator
Generate valid search engine XML sitemaps from URL lists with customizable priority and change frequency.
Tool Guide
URL Encode/Decode
Convert text and query parameters to and from RFC 3986 percent-encoding with component and full URL modes.
Tool Guide
JSON ⇄ YAML Converter
Convert between JSON and YAML formats bidirectionally with syntax validation and formatted indentation.
Tool Guide
URL Parser + UTM Builder
Parse URL components and construct campaign links with standard Google Analytics UTM tracking parameters.
Tool Guide
Hash Generator
Compute SHA-256, SHA-384, SHA-512, MD5, and HMAC hashes locally in your browser using the Web Crypto API.
Tool Guide
React Config JSON Formatter
Format, validate, and debug React Config JSON with instant browser-based error highlighting.
Tool Guide
React Environment JSON Formatter
Format, validate, and debug React Environment JSON with instant browser-based error highlighting.
Tool Guide
React API Response JSON Formatter
Format, validate, and debug React API Response JSON with instant browser-based error highlighting.
Tool Guide
React Webhook Payload JSON Formatter
Format, validate, and debug React Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
React State JSON Formatter
Format, validate, and debug React State JSON with instant browser-based error highlighting.
Tool Guide
React Native Config JSON Formatter
Format, validate, and debug React Native Config JSON with instant browser-based error highlighting.
Tool Guide
React Native Environment JSON Formatter
Format, validate, and debug React Native Environment JSON with instant browser-based error highlighting.
Tool Guide
React Native API Response JSON Formatter
Format, validate, and debug React Native API Response JSON with instant browser-based error highlighting.
Tool Guide
React Native Webhook Payload JSON Formatter
Format, validate, and debug React Native Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
React Native State JSON Formatter
Format, validate, and debug React Native State JSON with instant browser-based error highlighting.
Tool Guide
Next.js Config JSON Formatter
Format, validate, and debug Next.js Config JSON with instant browser-based error highlighting.
Tool Guide
Next.js Environment JSON Formatter
Format, validate, and debug Next.js Environment JSON with instant browser-based error highlighting.
Tool Guide
Next.js API Response JSON Formatter
Format, validate, and debug Next.js API Response JSON with instant browser-based error highlighting.
Tool Guide
Next.js Webhook Payload JSON Formatter
Format, validate, and debug Next.js Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Next.js State JSON Formatter
Format, validate, and debug Next.js State JSON with instant browser-based error highlighting.
Tool Guide
Node.js Config JSON Formatter
Format, validate, and debug Node.js Config JSON with instant browser-based error highlighting.
Tool Guide
Node.js Environment JSON Formatter
Format, validate, and debug Node.js Environment JSON with instant browser-based error highlighting.
Tool Guide
Node.js API Response JSON Formatter
Format, validate, and debug Node.js API Response JSON with instant browser-based error highlighting.
Tool Guide
Node.js Webhook Payload JSON Formatter
Format, validate, and debug Node.js Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Node.js State JSON Formatter
Format, validate, and debug Node.js State JSON with instant browser-based error highlighting.
Tool Guide
TypeScript Config JSON Formatter
Format, validate, and debug TypeScript Config JSON with instant browser-based error highlighting.
Tool Guide
TypeScript Environment JSON Formatter
Format, validate, and debug TypeScript Environment JSON with instant browser-based error highlighting.
Tool Guide
TypeScript API Response JSON Formatter
Format, validate, and debug TypeScript API Response JSON with instant browser-based error highlighting.
Tool Guide
TypeScript Webhook Payload JSON Formatter
Format, validate, and debug TypeScript Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
TypeScript State JSON Formatter
Format, validate, and debug TypeScript State JSON with instant browser-based error highlighting.
Tool Guide
Python Config JSON Formatter
Format, validate, and debug Python Config JSON with instant browser-based error highlighting.
Tool Guide
Python Environment JSON Formatter
Format, validate, and debug Python Environment JSON with instant browser-based error highlighting.
Tool Guide
Python API Response JSON Formatter
Format, validate, and debug Python API Response JSON with instant browser-based error highlighting.
Tool Guide
Python Webhook Payload JSON Formatter
Format, validate, and debug Python Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Python State JSON Formatter
Format, validate, and debug Python State JSON with instant browser-based error highlighting.
Tool Guide
Go Config JSON Formatter
Format, validate, and debug Go Config JSON with instant browser-based error highlighting.
Tool Guide
Go Environment JSON Formatter
Format, validate, and debug Go Environment JSON with instant browser-based error highlighting.
Tool Guide
Go API Response JSON Formatter
Format, validate, and debug Go API Response JSON with instant browser-based error highlighting.
Tool Guide
Go Webhook Payload JSON Formatter
Format, validate, and debug Go Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Go State JSON Formatter
Format, validate, and debug Go State JSON with instant browser-based error highlighting.
Tool Guide
Django Config JSON Formatter
Format, validate, and debug Django Config JSON with instant browser-based error highlighting.
Tool Guide
Django Environment JSON Formatter
Format, validate, and debug Django Environment JSON with instant browser-based error highlighting.
Tool Guide
Django API Response JSON Formatter
Format, validate, and debug Django API Response JSON with instant browser-based error highlighting.
Tool Guide
Django Webhook Payload JSON Formatter
Format, validate, and debug Django Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Django State JSON Formatter
Format, validate, and debug Django State JSON with instant browser-based error highlighting.
Tool Guide
Express Config JSON Formatter
Format, validate, and debug Express Config JSON with instant browser-based error highlighting.
Tool Guide
Express Environment JSON Formatter
Format, validate, and debug Express Environment JSON with instant browser-based error highlighting.
Tool Guide
Express API Response JSON Formatter
Format, validate, and debug Express API Response JSON with instant browser-based error highlighting.
Tool Guide
Express Webhook Payload JSON Formatter
Format, validate, and debug Express Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Express State JSON Formatter
Format, validate, and debug Express State JSON with instant browser-based error highlighting.
Tool Guide
Vue Config JSON Formatter
Format, validate, and debug Vue Config JSON with instant browser-based error highlighting.
Tool Guide
Vue Environment JSON Formatter
Format, validate, and debug Vue Environment JSON with instant browser-based error highlighting.
Tool Guide
Vue API Response JSON Formatter
Format, validate, and debug Vue API Response JSON with instant browser-based error highlighting.
Tool Guide
Vue Webhook Payload JSON Formatter
Format, validate, and debug Vue Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Vue State JSON Formatter
Format, validate, and debug Vue State JSON with instant browser-based error highlighting.
Tool Guide
Svelte Config JSON Formatter
Format, validate, and debug Svelte Config JSON with instant browser-based error highlighting.
Tool Guide
Svelte Environment JSON Formatter
Format, validate, and debug Svelte Environment JSON with instant browser-based error highlighting.
Tool Guide
Svelte API Response JSON Formatter
Format, validate, and debug Svelte API Response JSON with instant browser-based error highlighting.
Tool Guide
Svelte Webhook Payload JSON Formatter
Format, validate, and debug Svelte Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Svelte State JSON Formatter
Format, validate, and debug Svelte State JSON with instant browser-based error highlighting.
Tool Guide
Spring Boot Config JSON Formatter
Format, validate, and debug Spring Boot Config JSON with instant browser-based error highlighting.
Tool Guide
Spring Boot Environment JSON Formatter
Format, validate, and debug Spring Boot Environment JSON with instant browser-based error highlighting.
Tool Guide
Spring Boot API Response JSON Formatter
Format, validate, and debug Spring Boot API Response JSON with instant browser-based error highlighting.
Tool Guide
Spring Boot Webhook Payload JSON Formatter
Format, validate, and debug Spring Boot Webhook Payload JSON with instant browser-based error highlighting.
Tool Guide
Spring Boot State JSON Formatter
Format, validate, and debug Spring Boot State JSON with instant browser-based error highlighting.
Tool Guide
Auth0 JWT Decoder
Decode and inspect Auth0 JWT tokens locally without sending secrets to a server.
Tool Guide
Firebase JWT Decoder
Decode and inspect Firebase JWT tokens locally without sending secrets to a server.
Tool Guide
Okta JWT Decoder
Decode and inspect Okta JWT tokens locally without sending secrets to a server.
Tool Guide
Cognito JWT Decoder
Decode and inspect Cognito JWT tokens locally without sending secrets to a server.
Tool Guide
Supabase JWT Decoder
Decode and inspect Supabase JWT tokens locally without sending secrets to a server.
Tool Guide
Clerk JWT Decoder
Decode and inspect Clerk JWT tokens locally without sending secrets to a server.
Tool Guide
Keycloak JWT Decoder
Decode and inspect Keycloak JWT tokens locally without sending secrets to a server.
Tool Guide
FusionAuth JWT Decoder
Decode and inspect FusionAuth JWT tokens locally without sending secrets to a server.
Tool Guide
Image Base64 Encode/Decode
Instantly encode or decode Image formats using Base64 directly in the browser.
Tool Guide
PDF Base64 Encode/Decode
Instantly encode or decode PDF formats using Base64 directly in the browser.
Tool Guide
SVG Base64 Encode/Decode
Instantly encode or decode SVG formats using Base64 directly in the browser.
Tool Guide
JSON Payload Base64 Encode/Decode
Instantly encode or decode JSON Payload formats using Base64 directly in the browser.
Tool Guide
Auth Header Base64 Encode/Decode
Instantly encode or decode Auth Header formats using Base64 directly in the browser.
Mini Arcade Game Guides
Gameplay mechanics, scoring strategies, and controls for each browser game.
Game Guide
Click Sniper
Click fast-moving neon targets before they vanish to build combo multipliers and train mouse aim accuracy.
Game Guide
Stack Rush
Drop sliding blocks with millisecond rhythm timing to build the tallest neon skyscraper tower.
Game Guide
Aero Flap
Tap to glide and maneuver a glowing neon jet glider safely through procedural laser barrier gates.
Game Guide
Reflex God
Benchmark your human visual reaction time down to the exact millisecond against esports athlete tiers.
Game Guide
Chroma Switch
Bounce your glowing orb upward through rotating color obstacles that match your orb's shifting color.
Game Guide
Merge 2048
Slide and combine matching number tiles on a 4x4 grid to unlock the legendary 2048 crown tile.
Game Guide
Cyber Drift
Dodge high-speed oncoming traffic across futuristic neon cyber highway lanes with split-second steering.
Game Guide
Bubble Blitz
Pop rising targets and trigger chain combo explosions before the intense 30-second blitz timer expires.
Game Guide
Speed Matrix
Scan and click scrambled numbers from 1 to 25 in exact sequential order as fast as your brain can focus.
Game Guide
Flux Catcher
Move a glowing magnetic tractor-beam paddle to catch falling energy cores and deflect hazardous antimatter.
Game Guide
Coin Royale
Collect cyber coins across the arena while evading relentless patrolling enemy sentinel drones.
Game Guide
Daily GridLock
A fresh deterministic daily 4x4 matrix logic puzzle released every 24 hours to test your deduction streaks.
Explore Live Data
Practical walkthroughs to help you get the most out of our explore utilities.
Tool Guide
Real-Time Earthquake Monitor
Track live earthquakes worldwide with real-time magnitude, depth, and epicenter data from the USGS seismic feed.
Tool Guide
ISS Live Orbit Tracker
Track the International Space Station's live coordinates, orbital velocity, and altitude in real time.
Tool Guide
Solar & Twilight Calculator
Calculate exact sunrise, sunset, solar noon, and civil, nautical, and astronomical twilight for any coordinate.
Tool Guide
Pwned Password Leak Checker
Check if your password was exposed in public data breaches using 100% private client-side k-anonymity SHA-1 hashing.
Tool Guide
Live Currency Exchange Rates
Live and historical foreign exchange rates and currency converter powered by European Central Bank reference data.
Tool Guide
Public DNS & IP Inspector
Look up your public IP address and resolve DNS records using secure RFC 8484 DNS-over-HTTPS.
Tool Guide
Live Global Weather & Forecast
High-precision global weather forecasts with hourly temperature, wind, and precipitation curves from MET Norway.
Tool Guide
Global Natural Events Tracker
Live monitoring of active wildfires, severe storms, volcanoes, and sea ice events via NASA EONET satellites.
Tool Guide
Open Access Museum Art Archive
Search and inspect thousands of high-resolution public domain (CC0) masterworks from world museums.
Tool Guide
Chemical Compound & Drug Explorer
Search chemical substances and medications to inspect formulas, 2D structures, and molecular weights via PubChem.
Tool Guide
Interactive Trivia Quiz Arena
Generate customized trivia rounds across Science, History, Tech, and Pop Culture with instant answer checking.
Tool Guide
Open Source Package Registry Inspector
Inspect release versions, dependencies, license compliance, and sizes across npm, PyPI, and Crates.io.
Tool Guide
Dog Breed & Canine Image Gallery
Explore high-resolution open photos and breed characteristics from the Stanford Dogs public dataset.
Tool Guide
Global Country & Demographic Explorer
Search and compare official World Bank population, GDP, life expectancy, and economic indicators across nations.