Developer

🎯 Regex Tester Live matching with full group and flag support. ⏰ Cron Expression Builder Pick times visually and get a cron string. 🗓️ Cron Expression Decoder Translate a cron expression into plain Chinese. 📅 Timestamp Converter Unix timestamps to dates, with timezones. ⏱️ Duration Converter Convert between seconds, ms, hours and days. 📱 User-Agent Parser Extract browser, OS and device from a UA string. 🌐 HTTP Status Codes Look up status codes by number or name. 🔤 Case Converter Convert between camelCase, snake_case and more. 🔗 Slug Generator Turn a title into a URL-safe slug. 🔐 File Permission Converter Convert between numeric and symbolic permissions. 🖊️ HTML Visual Editor Edit HTML visually with synced source. 🏷️ Meta Tag Generator Generate Open Graph and Twitter card tags. 🧮 Math Expression Evaluator Evaluate expressions with functions and bases. 🔢 Integer Base Converter Convert between bases 2 through 36. ％ Percentage Calculator Ratios, percent change, and reverse lookup. 🐳 Docker Run to Compose Convert a docker run command to compose YAML. 📊 Benchmark Script Builder Generate k6 or Artillery load-test scripts. 🖥️ Device Info Inspect screen, hardware and touch capabilities. 📦 MIME Type Lookup Find Content-Type by file extension. ⌨️ Keyboard Key Info Press any key to see its key and keyCode. 📄 Lorem Ipsum Generator Generate filler paragraphs for layouts. 🔬 File Hash Checker Checksum local files and compare.