データ月 2026-09

オンデバイスAIのおすすめブラウザ拡張機能

2026年9月時点で、AlphaMoatはオンデバイスAIタグの付いたAIブラウザ拡張機能を76件掲載しています。最もインストールされているのはPage Assist(ユーザー数30万)です。インストール数で並べ、毎月更新しています。

#拡張機能提供元ユーザー数評価
1
Page Assist
Use your locally running AI models to assist you in your web browsing.
Muhammed Nazeem30万★ 4.8
2
AI QR Code Reader
An AI based QR code reader that can effectively recognise all kinds of shaped QR codes, coloured QR codes and rotating QR codes.
-3000★ 4.2
3
open-os LLM Browser Extension
Quick access to your favorite local LLM from your browser (Ollama).
open-os1000★ 4.3
4
FreeVoice Reader
Convert text to speech & speech to text. 50+ voices, 7 languages. Powered by Kokoro & Whisper. 100% local - data stays private.
freevoicereader939★ 3.3
5
Offline Chat with AI
Chat with the built-in Gemini Nano in your browser (free & offline).
-870★ 2.0
6
AI Video Enhancer
Use AI Video Enhancer to upscale video to 4K. Improve video quality with private, local AI in your browser. No signup. No watermarks
bettervideo691-
7
GenAI Translator
Translate selected text with Google Gemini or DeepSeek
afixer499★ 4.6
8
Private AI Assistant
Private AI Assistant enables users to interact with language models directly in their browser without an internet connection.
-262★ 4.0
9
Proofly
A free, lightweight, non-invasive AI grammar and proofreading extension that runs 100% on-device for total privacy and offline use.
Onderceylan223★ 4.2
10
AI Grammar Checker
Completely free and open source Chrome AI Grammar Check Extension
-216★ 5.0
11
FocusShield
AI-powered porn & NSFW blocker that blurs explicit images and text in real-time. On-device AI. Private. No data uploaded.
focusshieldapp143-
12
WebextLLM
Browser-native LLMs at your fingertips
-133★ 5.0
13
本地翻译
本地AI翻译助手,利用Chrome扩展API实现快速AI翻译
-124★ 3.5
14Conductify116★ 5.0
15
MarkAway
Clean overlay marks from your own AI-generated videos & images — fully on-device.
-107-
16
Chrome built-in AI
Enable сhrome's built-in AI capabilities. Gemini Nano will be downloaded by chrome to unblock built-in AI.
thestarkings105★ 5.0
17
Browser AI Agent
AI-powered browser automation with Ollama, Gemini, OpenCode Go, or ChatGPT / Codex
-102★ 5.0
18
AI Voice Detector
Detects AI-generated voice in tab audio using on-device ML
Nordvpn100★ 5.0
19
AI Chess Coach for Lichess
AI-powered chess analysis tool that integrates with Lichess™.
-99-
20
Smart Web Assistant
Smart Web Assistant is a Chrome extension that enhances your browsing with AI-powered insights from both cloud and local models.
-95★ 5.0
21
Local Reader
Read websites aloud with an AI model running in your browser
-91★ 3.9
22
Local Browser AI
A simple Browser extension for using the Prompt API.
alexewerlof91★ 3.7
23
AI Price Comparison for Shopping
Compare prices while you shop: product price checker, lowest price search and deal finder for any store. Free, no sign-up.
cupcakedev90★ 4.7
24
NWEB AI
Chat with ChatGPT, Gemini, Claude, and private AIs on websites or documents. Enjoy full privacy and use your own keys for free.
nweb89★ 3.7
25
Rephraser AI
Rephrase selected text effortlessly with Rephraser AI – refine your writing and grammar in a single click.
-85-
26
Personal Pragatix
Private AI Chatbot runs an AI model locally in your browser, ensuring full privacy with no internet or data exposure.
agatsoftware83★ 5.0
27
HuggingFace Checker
Check hardware compatibility for GGUF models on HuggingFace. Provides real-time info on your system's ability to run AI models.
-81-
28
NoAIBills
Run DeepSeek-R1 and Llama 3.2 locally in your browser. 100% Private. No API keys. No subscriptions.
noaibills80★ 3.5
29
Chouette
Private, offline page translation powered by AI running entirely in your browser.
Oyecollective76-
30
AI Assistant, Local & On-Device
Free local on-device AI assistant in your Chrome sidebar: chat with any page, summarize, rewrite, translate and automate tasks.
cupcakedev74★ 5.0
31
Local AI Subtitle
Local subtitle generator that protects your privacy
localaisubtitle71-
32
AI Avatar
Free app where your VRoid (VRM) avatar cheers you with all its might.🤗 Animations and speech bubbles all run without AI too.
-68★ 4.7
33
GeneralWeb
Your web, your language! Instantly translate any site with one click.
-67-
34
Cognito
Free AI sidebar using Chrome’s built-in local AI. Chat with any page, summarize, translate — private, no account. Ollama & BYO key.
cognetic66★ 5.0
35
Gemini Nano Chat (Unofficial
Chat with Gemini Nano — a local AI running in your browser. This is an unofficial extension.
-64★ 5.0
36
Built-in AI
Polyfills for the built-in AI APIs like LanguageModel, Summarizer, and Writer.
Chromium60-
37
PageGrok
Free AI sidebar for any page — summarize, ask, clip one region. No signup. Use Ollama, LM Studio, BYOK, or built-in AI.
pagegrok59-
38
MiOffice
AI Office Suite — PDF, Word, Excel, image, video & AI. Scanner, screen share, file transfer, notes. 100% local.
mioffice59★ 5.0
39
Text to Image (Using AI
Generate image with text prompt via artificial intelligence.
-56-
40
LoLLaMA
Open-source personal AI browser assistant. Chat with local or cloud LLMs, modify websites, and create widgets. Privacy-first.
codefright56★ 4.8
41
codereview.ollama
Reviews your Pull/Merge Requests using Ollama/LMStudio
-53★ 1.0
42
llama explain
Get an explanation from a llama (or another local LLM) about the selected text on a website, ELI5 style. All local.
-51-
43
AI Search & Smart Ctrl+F for Any Webpage or PDF | ctrlQuery
AI search for any webpage or PDF. Find what you mean, not just what you type. Semantic, on-device, no account needed.
-51★ 5.0
44
PureSight
Blocks NSFW sites and filters immodest images using AI gender detection, skin analysis, and keyword heuristics. Free + Pro.
-51-
45
Chrome AI Playground
Harness Chrome's built-in AI for instant translation, language detection, and text summarization.
Portfoliotavm50★ 5.0
46
Grammar Assistant
Free offline AI grammar checker & writing assistant. WebGPU-powered, 100% private. Supports 5 languages. No cloud, no subscription.
-45★ 3.7
47
Tacit
Zero-tracking AI assistant. Chat with GPT, Claude, Gemini, or local models without subscription.
-44-
48
Local AI helper
LocalAI provides access to web content with your authorisation, without storing it. It can be configured to use files and…
-41-
49
SwiftSurf Extension
SwiftSurf Introduction SwiftSurf is an advanced & powerful Chrome extension designed to transform your browsing experience on…
-40★ 5.0
50Trysquash40-
オンデバイスAIの拡張機能76件をすべて見る →

関連タグ

よくある質問

「オンデバイスAI」関連のChrome拡張機能で1位はどれですか?

2026年9月時点で、ユーザー数で見ると、「オンデバイスAI」関連のChrome拡張機能の1位はPage Assist(ユーザー 30万)です。続いてAI QR Code Reader(ユーザー 3000)、open-os LLM Browser Extension(ユーザー 1000)。

「オンデバイスAI」関連のChrome拡張機能の上位10件は?

ユーザー数の高い順に、上位10件は次のとおりです:1. Page Assist、2. AI QR Code Reader、3. open-os LLM Browser Extension、4. FreeVoice Reader、5. Offline Chat with AI、6. AI Video Enhancer、7. GenAI Translator、8. Private AI Assistant、9. Proofly、10. AI Grammar Checker。

AlphaMoatが収録している「オンデバイスAI」関連のChrome拡張機能は何件ですか?データの出典は?

AlphaMoatは76件の「オンデバイスAI」関連のChrome拡張機能を収録し、ユーザー数で順位付けしています。ユーザー数はChromeウェブストアの公開データに基づきます。データは毎月更新しており、現在は2026年9月のデータです。

このタグの付いたすべてのChrome拡張機能を、最新月のインストール数で並べています。詳しくはデータの方法論をご覧ください。