Firefox Browser Add-ons
Log in
Preview of Summarize and Translate with Gemini

Summarize and Translate with Gemini by Sadao Hiratsuka

Summarize and translate web pages using Gemini or OpenAI-compatible APIs.

4.6 (45 reviews)4.6 (45 reviews)
1,741 Users1,741 Users
Download Firefox
Download file

Extension Metadata

Screenshots
About this extension
FAQ: To open a popup from the context menu in Firefox,
set extensions.openPopupWithoutUserGesture.enabled to true in about:config.


Summarize and translate web pages with one click using Google Gemini or any OpenAI-compatible LLM (OpenAI, OpenRouter, OpenCode, Ollama, self-hosted endpoints).

Features:
- One-click page summarization
- Select text and translate in one click
- YouTube caption summarization
- Follow-up questions with full conversation context
- Streaming output
- Shortcut key Alt+G (customizable)
- Custom actions: Alt+1 / Alt+2 / Alt+3

Bring your own API key. Data is sent only to the API endpoint you configure.

Zero trackers. Zero ads. Built for researchers and engineers.
Rated 4.6 by 45 reviewers
Sign in to rate this extension
There are no ratings yet

Star rating saved

5
37
4
3
3
3
2
0
1
2
Read all 45 reviews
More information
Add-on Links
  • Support site
  • Support Email
Version
1.8.1
Size
111.99 KB
Last updated
13 hours ago (May 6, 2026)
Related Categories
  • Language Support
License
MIT License
Version History
  • See all versions
Tags
  • translate
Add to collection
Report this add-on
Go to Mozilla’s homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.