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Browser for LoTW

Chrome extension

Status: 🟢 Production

Version 2026.08.03-1

Browser for LoTW Chrome extension showing Browse, Search, Sort, and Filter features
Get it on the Chrome Web Store

Chrome Web Store

Available now on the Chrome Web Store.

Overview

Browser for LoTW is a read-only Chrome extension for browsing, searching, sorting, and filtering ARRL Logbook of The World (LoTW) records. It keeps downloaded records locally for offline browsing. LoTW credentials are used only for each download request and are not stored by the extension.

Features

  • Download LoTW records directly from ARRL
  • Browse QSOs and QSLs
  • Advanced sorting and filtering
  • Regular-expression filtering
  • Detailed QSO and QSL views
  • Offline browsing and local storage
  • Demo mode
  • Language selection: English, French, German, Portuguese, and Spanish

Screenshots

Browser for LoTW Chrome extension records list showing QSO and QSL information
Browser for LoTW Chrome extension sort and filter controls
Browser for LoTW Chrome extension expanded QSO detail view
Browser for LoTW Chrome extension screen for downloading and managing records
Browser for LoTW Chrome extension About screen with support, privacy, and language options

© 2026 Champagne Engineering, LLC.

Browser for LoTW is an independent application developed under the CE Widgets brand by Champagne Engineering, LLC. It is not affiliated with, endorsed by, or sponsored by the American Radio Relay League (ARRL).

“LoTW” and “Logbook of The World” are trademarks of The American Radio Relay League, Inc., used solely to describe compatibility with the LoTW service.