Kaptur by 1d3fix

Kaptur lets you capture, annotate and organize web screenshots during OSINT investigations, audits, or research — entirely locally, with zero telemetry.

Captures
- Visible tab screenshot or custom region selection
- Each capture stores the URL, domain, page title, and timestamp
- Forensic banner with ISO 8601 timestamp + SHA-256 hash burned in

Annotations
- Draw arrows, rectangles, text, highlights, blur zones directly on captures
- Auto-incrementing numbered markers
- Full undo/redo (Cmd/Ctrl+Z)

Organization
- Sessions with name, description, and color
- Tags with autocomplete and kebab-case normalization
- Notes with autosave per capture

Search
- Full-text search across names, URLs, titles, domains, notes, tags (Cmd/Ctrl+K)
- Operators: session:, domain:, tag:, html:, media:

Export
- Single PNG download with customizable filename templates
- Full session ZIP archive
- .kaptur database backup and restore

Everything is stored in IndexedDB. The extension makes zero outbound network requests.