P&ID
Tag Counter
Count instrument tags on your P&IDs instantly. Upload a drawing and see tag counts by type, instruments, valves, equipment, and line numbers.
Step 1
Upload P&ID
Upload your P&ID drawing in PDF, TIFF, or image format.
Step 2
AI Counts Tags
Our AI engine identifies and counts every tag on your drawing.
Step 3
Get Tag Summary
Receive a structured summary of tag counts by type.
Instrument tags
Control valves
Safety valves (PSVs)
Equipment tags
Line numbers
Actuators
What file formats does the P&ID tag counter accept?
The tag counter accepts PDF, TIFF, PNG, and JPEG files. For best results, upload high-resolution scans (300 DPI or higher) of your P&ID drawings.
How accurate is the tag counting?
Pathnovo's AI engine achieves 99.5% accuracy on well-scanned P&IDs. The tool identifies instrument tags, control valves, safety valves, equipment, line numbers, and actuators using the same AI that powers our full extraction service.
Is the P&ID tag counter really free?
The tag counter landing page provides information about the tool. To try the full tag counting capability, book a demo and our team will process a sample P&ID for you at no cost.
See what your documents actually contain.
Send us 10 documents from your current project. We extract, reconcile, and show you exactly what we find in 48 hours, before any contract.
If the accuracy isn't what we promised, you owe us nothing.