SnapFlow turns screenshots into organized visual docs on Windows. Capture modes: windows/areas, web pages. Annotate non-destructively: pen, highlighter, text, censoring, OCR & more. Organize with color-coded folders/labels, attachments & Markdown notes. Drag & drop to reorder or share instantly. Full-text search across notes. Export to PNG/PDF with embedded annotations. Customize themes, shortcuts & colors. Everything stays local: no cloud, no accounts. Simple, fast, yours.