Utility tools
Free utility tools with fast, privacy-friendly browser workflows.
모든 서비스
다양한 온라인 서비스를 제공합니다. 계산, 개발, 텍스트 처리, 유틸리티 등 다양한 카테고리의 도구를 사용해보세요.
Utility
QR Security Checker
Check QR code security before scanning. Analyze QR codes for potential threats and suspicious links safely.
QRSecurityChecker
Utility
QR Generator
Generate QR codes from text or URLs instantly. Create custom QR codes for websites, contact info, and more.
QRGeneratorCode
Utility
PlayFlow: Musician Toolbox
A Chrome extension for musicians, vocalists, and learners who practice along with YouTube. Real-time pitch shifting, speed control, A/B loop, metronome, EQ, and more — all inside the browser.
YouTubePitchSpeed
Utility
Guitar & Bass Scale Practice
Practice guitar and bass scales with synced metronome or procedural drum grooves. Adjust BPM, playback speed, count-in, and rhythm patterns without external drum samples.
GuitarBassScale