Serial Communication Tool - Web Serial

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A modern, browser-based alternative to Tera Term and PuTTY. Built on the Web Serial API — no installation required. Send, receive, and log serial data directly in Chrome. KEY FEATURES • Serial Configuration — Baud rate, data bits, parity, stop bits, flow control, RTS/DTR signal control • Send/Receive Log — Timestamped logs with export (TXT/JSON/CSV), filtering, auto-save on disconnect • Send History — Press ↑/↓ to recall past commands (up to 50) • Quick Commands — One-click sending of frequent commands with drag & drop reordering • Macro Automation — SEND/WAIT/RETRY syntax for automated sequences with response timeout • Regex Alerts — Pattern-based alerts with audio notification • RX/TX Rate Display — Real-time bandwidth monitoring • Response Time Monitor — Latency measurement for command-response cycles • HEX Binary Send — Send arbitrary binary data via hex notation • Profile Management — Save and share connection profiles (import/export) • Multilingual — Japanese, English, Chinese, Korean, German, French, Spanish, Portuguese

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