SerialX is a professional-grade serial monitor that works instantly in your browser - no drivers, no setup, no accounts. Just plug in, open the tab, and communicate.
Works with Arduino · ESP32 · Raspberry Pi · MSP430 · STM32 · PIC · any UART device
Open a browser tab and you're ready. No drivers, no installs, no sign-up.
Windows, macOS, Linux - any OS, as long as you have Chrome or Edge.
All serial data stays local on your machine. Nothing is sent to any server.
No subscription, no freemium wall. SerialX is free for everyone.
SerialX replaces clunky desktop tools with a clean, fast, browser-native experience - without sacrificing any power.
Stop guessing baud rates. SerialX intelligently detects the right speed so you can focus on your data, not configuration.
Plot up to 10 parameters simultaneously on real-time graphs. Watch your sensor values come to life the moment they arrive.
Save your entire serial session as a clean TXT file instantly - no copy-paste, no fuss.
Store and replay frequently used commands with a single click. Ideal for testing, calibration, and development workflows.
Track RX/TX byte counts, line numbers, warnings, and errors in real time - a full picture of your communication health.
A professional interface designed for embedded engineers - everything where you expect it, nothing you don't need.
No account. No download page. No documentation to read first.
Click "Launch SerialX" - it opens directly in Chrome or Edge.
Plug in your board via USB. SerialX will prompt you to select the port - one click to connect.
Your serial data flows in immediately. Send commands, plot graphs, and log sessions - all in real time.
Save your session log with one click. Share it with your team or keep it for your own records.
SerialX is a solo passion project. If it's saved you debugging time or become part of your workflow, a small help goes a long way in keeping it alive and improving.