OTDR Master
Overview
OTDR Master is a browser-based viewer and report tool for OTDR trace files recorded by fibre-optic reflectometers. It opens Bellcore/Telcordia .sor and vendor formats from EXFO, Anritsu, VIAVI, Fluke, Yokogawa and others, including zipped archives. Users can view traces and event tables, measure with cursors, check pass/fail thresholds, edit events and headers, convert traces to standard .sor, and produce PDF reports. Paid plans add whole-cable projects, batch edits, Excel export and custom templates.
Key Features
- Opens .sor, .msor, .trc, .bdr, .csor, .tst and other vendor trace formats, including archives.
- Event tables, two-cursor measurement, threshold checks and span loss calculation.
- Converts proprietary traces to standard .sor and edits events and header fields.
- PDF reports, with QR codes and share links after free sign-in.
- Professional plan: unlimited projects, batch edits, Excel export and custom report templates.
Best For
Fibre splicers, field technicians and network contractors who receive OTDR traces from different instruments.
Pros & Cons
Cons
- Specialist tool that is only useful for fibre-optic OTDR work.
- Multi-fibre cable projects and custom templates require the paid plan.
- Not independently tested by SEODataPulse.
Pulse Verdict
Editorial review by SEODataPulse · Editorial rating: 4/5 · Updated
This is an editorial assessment, not an average of customer ratings.
“OTDR Master lets fibre technicians open, check and report on OTDR traces from many instrument brands in a browser, with no vendor software to install. Viewing, measuring and PDF reports are free without an account, and the paid plan adds tools for whole-cable projects. It is a specialist tool for fibre-optic work rather than a general-purpose app.”
Pricing
Free without account; free sign-in adds more. Professional $14.97/month or $119.88/year; 3-day trial.
Pricing changes often — confirm current plans on the official site.