Free online XER file viewer for Primavera P6 schedules
XER Viewer is a free, browser-based tool to open and view Primavera P6
.xer schedule files online — no download, no Primavera
license, and no sign-up. Your files are parsed entirely in your browser
and never uploaded to a server, so your schedule data stays private.
What you can do with an XER file in XER Viewer
- Interactive Gantt chart — explore task bars, dependencies, the critical path and the timeline.
- Table view — inspect every table in the XER file with sorting, column management and filtering.
- Resource view & histograms — see resource assignments, workload and labor distribution over time.
- Schedule check — validate the schedule against common quality rules.
- Reports & export — generate summaries and export views to Excel or PDF.
How to open an XER file online
- Drop your Primavera P6 .xer export onto the page, or browse to select it.
- The file is read and parsed locally in your browser within seconds.
- Explore the Gantt, run schedule checks, review histograms and export reports.
This application requires JavaScript to run. Please enable JavaScript in your browser to use XER Viewer.