sigrok viewer
Browser-based logic analyzer and signal viewer
Getting started
Open a .sr file or drag and drop it anywhere
Connect a USB logic analyzer via WebUSB
Click a channel label to apply a protocol decoder (UART, I2C, SPI)
Navigation
Scroll Zoom in / out
Drag Pan left / right
+ - Zoom in / out
← → Pan left / right
F Fit entire capture to view
Features
Built-in UART, I2C, SPI decoders + Python decoders via Pyodide
Native libsigrok via WebAssembly for fast file loading
WebGPU-accelerated rendering with Canvas 2D fallback
Press any key or click to dismiss