EasyPhysio Suite Browser-Based

DBT Analyzer Lite

A web based tool to calculate E:I ratio. No installation, no Python, no .acq file needed — paste your RR intervals or import an XLSX/CSV to get an E:I ratio instantly. Built for older PCs.

↓ Download HTML File Open in Browser →
✓ Single HTML file ⚖️ GNU GPLv3 Licensed Any browser  ·  Any OS  ·  Free & Open Source  ·  Offline-capable

What Makes It Different

Made for When DBT Analyzer Is Too Much

DBT Analyzer Lite is the go-to when you're on an older machine.

content_paste

Paste RR Intervals Directly

Copy your RR values from any source — BIOPAC exports, Excel, or manual records — and paste them in. No file needed.

upload_file

Import XLSX or CSV

Open spreadsheet exports directly — including common BIOPAC-exported RR interval tables.

language

Runs in Any Browser

Works on Chrome, Firefox, Edge — on Windows, Mac, or Linux. No installation, no Python runtime.

wifi_off

Offline After Download

Save the HTML file to your computer and use it without any internet connection — fully self-contained.

Known Limitations

What DBT Analyzer Lite Cannot Do

DBT Analyzer Lite cannot read raw BIOPAC .acq files. If you have raw ECG recordings, you'll need to export RR intervals first, or use DBT Analyzer.

⚠️ Cannot open BIOPAC .acq files directly
Use DBT Analyzer for .acq Files →

Who Should Use DBT Analyzer Lite

Right Tool, Right Situation

Older PCs

Works on any machine that can run a browser — no .NET, no Visual C++, no Python runtime.

Excel/CSV Workflows

Already exported RR intervals from BIOPAC or another tool? Import directly with no conversion.

Quick Calculations

Just need a fast E:I ratio check during a clinical assessment or seminar? Open the tool, paste, done.

Get DBT Analyzer Lite

Free - One File, No Setup

Download the HTML file and open it in any browser. Or use the hosted version online — no download needed.

↓ Download HTML File (Offline) Open Online Version →

Single file · Any browser · Free & Open Source (GNU GPLv3) · No registration