Overview
Quick access to 260+ developer tools - JSON, XML, HTML, CSS, Crypto, Color tools and more!
Use this version without the separator lines: 🚀 App Are Cool - Your Ultimate Developer Toolkit Instant access to 260+ professional developer tools right from your browser toolbar! All tools run 100% client-side - your data never leaves your device. 🎯 35+ SPECIALIZED TOOLKITS: 📦 Data Formats JSON Tools (13): Beautify, minify, validate, diff, path tester XML Tools (6): Beautify, validate, convert to/from JSON YAML Tools (5): Beautify, validate, convert HTML Tools (7): Beautify, minify, preview, encode/decode CSS Tools (8): Beautify, box shadow, gradients, flexbox generator 🔧 Developer Essentials String Tools (12): Password generator, UUID, case converter, slugify Color Tools (7): Picker, converter, palette, gradient, contrast checker Crypto Tools (8): MD5, SHA-256, AES encrypt/decrypt, bcrypt Encode/Decode (8): Base64, URL, HTML entity, JWT decoder 🔄 Converters Format Converters: JSON⇄XML, YAML⇄JSON, Markdown⇄HTML Unit Converters: Length, weight, temperature, speed, data size ✅ Validators Email, URL, JSON, XML, YAML, credit card, regex tester ⚡ Code Tools Minifiers: JS, CSS, HTML, JSON, XML, SQL Beautifiers: JS, CSS, HTML, SQL, PHP JS Obfuscator: Protect your JavaScript code 🌐 Network & API IP Lookup, DNS, CIDR Calculator, Subnet Calculator, Port Checker 📊 Generators QR Code, Barcode, UUID, Lorem Ipsum, Fake Data Charts: Pie, Bar, Line from your data 💰 Finance Tools (32) EMI Calculator, Compound Interest, SIP, ROI, Stock Average Currency Converter, Tip Calculator, Profit Margin 📅 DateTime Tools (11) Unix Timestamp, Timezone Converter, Cron Builder, Age Calculator 🎲 Random Tools (20) Random Numbers, Strings, Colors, Coin Flip, Dice Roll ✨ KEY FEATURES: 🔒 100% Privacy – All tools run locally in your browser ⚡ Blazing Fast – No server requests, instant results 🌓 Dark/Light Mode – Easy on your eyes 🔍 Quick Search – Find any tool instantly ⏱️ Recent Tools – Access your frequently used tools 💾 No Signup – Use all tools immediately 🏆 WHY CHOOSE APP ARE COOL? ✓ 260+ tools in one extension ✓ Clean, modern interface ✓ Regular updates with new tools ✓ Completely free, no ads ✓ Open source friendly ✓ Works offline 📢 PERFECT FOR: Web Developers Software Engineers DevOps Engineers Data Analysts UI/UX Designers Students learning to code 🌐 Visit https://apparecool.online for the full web experience! 📧 Feedback? We’d love to hear from you!
Details
- Version1.0.0
- UpdatedJanuary 1, 2026
- Offered bySendwin
- Size14.95KiB
- LanguagesEnglish
- DeveloperTechrosh LLC
wyoming 1309 Coffeen Avenue STE 1200, Sheridan, Wyoming 82801 Sheridan, WY 82801 USEmail
support@send.win - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
