Magic Translator

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Magic Translator is the premier translation add-on for Mozilla Thunderbird, allowing you to read, understand, and compose foreign emails seamlessly.

Reading Pane Translation

Instant translation right within the message reading pane without opening external browser tabs.
Interactive engine badge with live green connection status dot and direct settings access.
One-click original message restoration via the Original button.
Clean and complete closing to keep your email text 100% clear and unobstructed.

Compose Mode: Translate Before Sending

Dedicated toolbar button in the message composition window to translate drafts on the fly.
Flexible translation scope: translate Subject, full message Body, or selected text only.
In-place surgical text replacement preserving your existing draft layout.
One-click original draft restoration via Restore original.

Multi-Engine and LLM Translation Hub

Google Translate (default): 100% free, ready to use with zero setup.
DeepL API (Free and Pro): Industry-standard linguistic precision for professional emails.
Google Gemini API (Cloud AI): Real-time official model synchronization and ultra-fast gemini-3.5-flash-lite.
OpenAI-Compatible LLM Hub: Connect OpenAI, Groq Cloud, Mistral AI, or local Ollama and LM Studio servers for full privacy and sovereign offline translation.
LibreTranslate (Open source): Connect your private self-hosted instances.

Privacy and Performance First

Zero trackers, zero analytics, no advertisements.
Direct HTTPS connections from your device to the selected provider (or 100% local and offline with Ollama and LM Studio).
Complete UI isolation using Shadow DOM to keep email layouts intact.

Effortless Workflow

Click the dedicated Translate button in the message or compose header (or press Alt+Shift+T).
Click the active engine badge for quick access to preferences and engine settings.

開發者留言

Magic Translator was designed to provide a fast, seamless, and privacy-conscious multilingual translation experience inside Mozilla Thunderbird, for both reading and drafting emails.

Issue Reporting & Support:
To report a bug, ask a question, or suggest an enhancement, feel free to open an issue on our official repository: https://github.com/mtfkarukera/magic-translator-tb/issues

Privacy & Transparency:
The add-on operates without any intermediate proxy server. Translation requests are sent directly from your device to the selected provider (or remain 100% local with Ollama / LM Studio). Your API keys and engine preferences are stored exclusively locally via the secure browser.storage.local API.

Roadmap:
Upcoming releases will continue expanding the LLM Hub with additional model presets and multilingual rewriting assistance features.

版本資訊

版本 2.3.9 發行於 Aug. 19, 2026 102.0 KiB 相容於 Thunderbird 128.0 及更新版

Version 2.3.9 Highlights & Improvements:

Universal Custom Server Support: Re-enabled on-demand dynamic host authorization for any custom or self-hosted OpenAI-compatible endpoint (DeepSeek, OpenRouter, Claude proxies, private VPS, corporate gateways).
Seamless 1-Click Authorization: Host permission requests trigger strictly on direct user clicks with native Thunderbird confirmation dialogs.
Full Control & Reversibility: Each authorized domain automatically gets its own dedicated toggle switch in Thunderbird's Add-ons Manager and can be revoked at any time in 1 click.
Hardened Stability: Strict WebExtension host match pattern compliance and eliminated background warnings.

原始碼以 Mozilla Public License, version 2.0 的授權條款釋出

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附加元件

歡迎來到 Thunderbird 附加元件。

帶著走？

Magic Translator 2.3.9

作者: MTF Karukera

關於此附加元件

開發者留言

版本資訊

版本 2.3.9 發行於 Aug. 19, 2026 102.0 KiB 相容於 Thunderbird 128.0 及更新版

附加元件

歡迎來到 Thunderbird 附加元件。

帶著走？

Magic Translator 2.3.9

作者: MTF Karukera

關於此附加元件

開發者留言

版本資訊

版本 2.3.9 發行於 Aug. 19, 2026 102.0 KiB 相容於 Thunderbird 128.0 及更新版

隱私權保護政策

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