As of September 2026, AlphaMoat tracks 106 AI browser extensions tagged On-Device AI. The most-installed is Page Assist (300.0K users). Ranked by install count, updated monthly.
| # | Extension | Publisher | Users | Rating |
|---|---|---|---|---|
| 1 | Browse with a sidebar and web UI for your local AI models like Ollama and Chrome AI. | Muhammed Nazeem | 300.0K | ★ 4.8 |
| 2 | AI based QR code reader that recognises shaped, coloured and rotating codes. | - | 3.0K | ★ 4.2 |
| 3 | An open-source browser interface for chatting with local or remotely hosted Ollama models from a sidebar or tab. | open-os | 1.0K | ★ 4.3 |
| 4 | FreeVoice Reader turns any webpage into an audiobook and dictates text anywhere with local AI voices and Whisper transcription. | freevoicereader | 939 | ★ 3.3 |
| 5 | Offline Chat with AI provides a browser interface for conversations with Chrome's built-in Gemini Nano model. | - | 870 | ★ 2.0 |
| 6 | AI Video Enhancer locally upscales video to 4K in the browser without uploading clips. | bettervideo | 691 | - |
| 7 | Enhance images locally in your browser with 2x / 4x upscaling, adjustable denoise and side-by-side comparison. | ImgUpscaler | 632 | - |
| 8 | An AI translation tool for selected webpage text with cloud and on-device provider options. | afixer | 499 | ★ 4.6 |
| 9 | Runs language models fully locally in the browser with no internet needed. | - | 262 | ★ 4.0 |
| 10 | Free on-device AI grammar and proofreading extension using Chrome built-in AI for total privacy. | Onderceylan | 223 | ★ 4.2 |
| 11 | Free and open source AI grammar checker that works locally using built-in Chrome AI or a local model. | - | 216 | ★ 5.0 |
| 12 | An on-device AI blocker that detects and blurs explicit images and text while browsing. | focusshieldapp | 143 | - |
| 13 | WebextLLM puts browser-native LLMs at your fingertips, running local language models in the browser so you can chat and generate without sending data to the cloud. | - | 133 | ★ 5.0 |
| 14 | Local Translator uses Chrome's built-in Gemini Nano model for private selection, text, and full-page translation. | - | 124 | ★ 3.5 |
| 15 | A browser platform that runs AI models and agents locally for LLM, Vision, TTS, and STT. | Conductify | 116 | ★ 5.0 |
| 16 | Type /shortcuts to instantly paste canned responses anywhere. Smart variables, folders, works in Gmail, LinkedIn, Slack & more. | KeyText | 113 | ★ 4.8 |
| 17 | MarkAway removes the sparkle watermark from AI-generated videos and images on your own machine, by pixel math or a local inpainting model. | - | 107 | - |
| 18 | An on-device toolkit that unlocks Chrome's built-in AI APIs for summaries, translation, and writing. | thestarkings | 105 | ★ 5.0 |
| 19 | AI-powered browser automation with Ollama, Gemini, OpenCode Go, or ChatGPT / Codex | - | 102 | ★ 5.0 |
| 20 | AI Voice Detector analyzes tab audio locally to indicate whether a voice is human or AI-generated. | Nordvpn | 100 | ★ 5.0 |
| 21 | AI Chess Coach explains Stockfish evaluations for Lichess games through a locally running LM Studio model. | - | 99 | - |
| 22 | Smart Web Assistant provides context-aware webpage insights through OpenAI's cloud API or compatible local AI servers. | - | 95 | ★ 5.0 |
| 23 | An on-device AI text-to-speech reader using the Kokoro model via WebGPU. | - | 91 | ★ 3.9 |
| 24 | Local Browser AI runs an on-device language model in a side panel through Chrome's Prompt API. | alexewerlof | 91 | ★ 3.7 |
| 25 | NanoPrice reads the product on the page with on-device AI and ranks matching offers from other stores by price in a side panel. | cupcakedev | 90 | ★ 4.7 |
| 26 | An all-in-one AI chat hub for ChatGPT, Gemini, Claude, and private on-device models. | nweb | 89 | ★ 3.7 |
| 27 | Rephraser AI rewrites selected text through Gemini, OpenAI-compatible services, or a local Ollama setup. | - | 85 | - |
| 28 | Personal Pragatix runs an AI chatbot entirely inside your browser, with nothing leaving your device. | agatsoftware | 83 | ★ 5.0 |
| 29 | On-device AI to rephrase, fix grammar & summarize text in any field. Runs fully in your browser — no cloud, no API key, no tracking. | - | 81 | ★ 5.0 |
| 30 | HuggingFace Checker compares GGUF model requirements with local CPU and RAM information to indicate hardware compatibility. | 爱欧科技 | 81 | - |
| 31 | NoAIBills runs supported language models locally in the browser for private, offline-capable AI chat. | noaibills | 80 | ★ 3.5 |
| 32 | Translates pages fully offline with an on-device AI model, no cloud or API keys. | Oyecollective | 76 | - |
| 33 | NanoChat is a local AI assistant in the Chrome side panel that chats about the page you are on, with nothing leaving your machine. | cupcakedev | 74 | ★ 5.0 |
| 34 | Local AI Subtitle generates and translates subtitles entirely in your browser, uploading no audio anywhere. | localaisubtitle | 71 | - |
| 35 | 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 |
| 36 | GeneralWeb translates pages, selected text, and typed input with a user-selected AI provider. | Envar | 67 | - |
| 37 | AI sidebar using Chrome's built-in local AI, with Ollama and BYO key options, private and free. | cognetic | 66 | ★ 5.0 |
| 38 | Chats with Chrome's local Gemini Nano in a side panel, fully private with no API keys needed. | - | 64 | ★ 5.0 |
| 39 | Injects polyfills for built-in AI APIs like LanguageModel, Summarizer, and Writer into any page. | Chromium | 60 | - |
| 40 | Free AI sidebar for any page — summarize, ask, clip one region. No signup. Use Ollama, LM Studio, BYOK, or built-in AI. | pagegrok | 59 | - |
| 41 | Local AI office suite for files, images, PDFs, video, and documents. | mioffice | 59 | ★ 5.0 |
| 42 | Generate image with text prompt via artificial intelligence. | - | 56 | - |
| 43 | LoLLaMA is an open-source browser assistant for AI chat, page modification, and widget creation. | codefright | 56 | ★ 4.8 |
| 44 | codereview.ollama reviews GitHub pull requests and GitLab merge requests using a model you run locally through Ollama or LM Studio. | - | 53 | ★ 1.0 |
| 45 | llama explain explains selected text in simple terms using a model running locally through Ollama, with nothing sent to a server. | - | 51 | - |
| 46 | Semantic AI search for webpages and PDFs that matches meaning, not wording. | - | 51 | ★ 5.0 |
| 47 | Blocks NSFW sites and filters immodest images using AI gender detection, skin analysis, and keyword heuristics. Free + Pro. | - | 51 | - |
| 48 | Translate, detect languages, and summarize text with Chrome's built-in AI, no API keys. | Portfoliotavm | 50 | ★ 5.0 |
| 49 | Offline WebGPU AI grammar checker and writing assistant in 5 languages. | - | 45 | ★ 3.7 |
| 50 | Zero-tracking AI sidebar that chats via OpenRouter, cloud APIs or local models. | - | 44 | - |
In September 2026, Page Assist (300.0K users) ranks #1 by users, followed by AI QR Code Reader (3.0K users) and open-os LLM Browser Extension (1.0K users).
Ranked by users, the top 10 are: 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. ImgUpscaler, 8. GenAI Translator, 9. Private AI Assistant, 10. Proofly.
AlphaMoat tracks 106 On-Device AI Chrome extensions, ranked by users. User counts come from public Chrome Web Store data. Updated monthly; the current data is for September 2026.
Lists every Chrome extension carrying this tag, ranked by latest-month install count. See methodology.