LEOSSON PDF Navigator

Read it. Catch it. Review it. Send it back.

LEOSSON PDF Navigator v1.1.0 is a focused Windows document review tool for contractors, installers, project managers, fixture teams, teachers, and anyone who needs to work through PDFs or Word documents without renting a giant software platform.

Try the live demo before you buy.

• Open PDF and Word (.docx) files directly
• Fast PDF and blueprint navigation with default Hand / Pan mode
• Don’t Miss This scan for buried requirements, warnings, installation notes, materials, dimensions, and tolerances
• Writing Authenticity Review for essays, reports, and narrative documents
• Writing Pattern Review Score (0–100) summarizes how strongly a document matches the writing patterns Navigator checks for
• The review score is not a probability of AI use or non-human authorship and should be used as a human-review aid, not proof
• Word files are reviewed locally using stable sections instead of unreliable invented page numbers
• No AI account, API key, or cloud upload is required for Writing Review
• Review & Mark Up PDFs with arrows, highlights, text notes, circles, freehand sketching, and Line / Support redlines
• Compare PDFs for text, annotation, and visual drawing changes
• Export a normal shareable marked-up PDF copy
• Document Memory with local save/resume plus backup and restore
• 3-day activation grace period
• Permanent activation for one Windows computer
• No subscription and no monthly license check

$9.99 one time.