Add-ons
Newest Extensions
Sort by:
ChromaKit - Pick Color from Any Website
All in one tool to Pick, convert, and export colors or assets from any webpage.
添付メール便
Alarm - Reminders & Notifications
A simple and reliable browser alarm extension. Create alarm and never miss important tasks, meetings, or events
Screenshot - Instant Screenshot Saver
Capture screenshots instantly with one click
Thunderbird BIMI Result Viewer
Displays BIMI-related authentication results for the currently displayed message in a toolbar popup. This version uses only standard Thunderbird MailExtension APIs.
Magic Clipper for NotebookLM
Import emails, attachments and links directly into Google NotebookLM in one click from the Thunderbird message pane. Optimized for Gemini analysis.
Anthropic Claude Spaces Tab
Unofficial Anthropic Claude add-on for Thunderbird, it adds a button in Spaces that opens a Claude tab, and a contextual menu entry to send highlighted text to Claude.
ChatGPT Spaces Tab
Unofficial ChatGPT add-on for Thunderbird, it adds a button in Spaces that opens a ChatGPT tab, and a contextual menu entry to send highlighted text to ChatGPT.
Risk-Reward Calculator & Trading Journal
Calculate risk-reward ratio, position size, and breakeven win rate for any trade. Includes a built-in trading journal. Every trade is saved locally.
Cookie Exporter
Export all cookies from the current website to a text file.
Audio Attachment Player
Allows playing audio attachments (mp3, wav) directly within the email message view. Keywords: Audio Attachment Playback, mp3, wav, Audio Preview.
Slack Spaces Tab
Unofficial Slack add-on for Thunderbird, it adds a button in Spaces that opens a Google Chat tab in Thunderbird, and shared copied text to Slack within Thunderbird
SpamShield - Antispam
Detección en tiempo real de spam y phishing en Zimbra. Bloquea enlaces peligrosos con Safe Browsing, PhishTank y URLhaus.
ThunderClaude
Rewrite Thunderbird compose drafts with LLM providers while preserving inline media.
Hide Google AI Overviews
Hide or collapse Google AI Overviews and AI features across Google services
VidStamp - Youtube Upload Date Viewer
See the exact YouTube upload date on any video or Short. Free, private, no sign-up. Toggle on/off anytime.
Free Email Scrapper
Streamline your data collection with a free Email Extractor. Extract emails from any webpage automatically.
Traductify
Traduisez n'importe quel texte de vos emails d'un clic droit : choisissez la langue, l'IA détecte la source et traduit. Fonctionne avec Google Gemini, ChatGPT ou Claude. Clé API requise.
Google Maps Spaces Tab
Unofficial Google Maps add-on for Thunderbird, it adds a button in Spaces that opens a Google Maps tab. Add contextual menu for redirection of highlighted text to Google Maps.
Google Drive Spaces Tab
Unofficial Google Drive add-on for Thunderbird, it adds a button in Spaces that opens a Google Drive tab in Thunderbird.
To create your own collections, you must have a Mozilla Add-ons account.
