Jeon.ChanHwan

Download YouTube thumbnails in Max HD. Supports Shorts, playlists, channels with bulk download and format conversion.

Automatically advances to the next YouTube Short when the current one ends, with optional affiliate product cards.

Track your YouTube viewing with analytics. All data stays private on your device.

Track web usage, take notes per site, set goals, block distractions. All in one privacy-first Side Panel tool.

Your utility toolbox - QR generator, color picker, unit converter and more in a sidebar.

역대 로또 당첨번호 통계 시각화 · 핫/콜드/델타 등 8가지 방법으로 번호 생성 · 내 번호 저장. 재미로 보는 통계입니다.