Data month 2026-09
Best AI Coding Assistant Browser Extensions
As of September 2026, AlphaMoat tracks 228 AI browser extensions tagged AI Coding Assistant. The most-installed is BLACKBOX.AI (300.0K users). Ranked by install count, updated monthly.
| # | Extension | Publisher | Users | Rating |
|---|---|---|---|---|
| 1 |  Blackbox is an AI coding assistant that answers programming questions and helps you work with code, GitHub, and on-page context directly in your browser. | Blackbox | 300.0K | ★ 2.7 |
| 2 |  Windsurf Plugin brings AI code completion to your browser, IDEs, and notebooks, offering fast, multi-line suggestions built on modern AI models. | Exafunction | 50.0K | ★ 4.8 |
| 3 |  AI Excel Bot is a ChatGPT-powered assistant that writes Excel and Google Sheets formulas, explains them, and helps you work faster in spreadsheets. | Aiexcelbot | 40.0K | ★ 2.5 |
| 4 |  Turn captured web elements into React components, refined by AI on an editable canvas. | magicpath | 10.0K | ★ 4.5 |
| 5 |  AI extension that creates and explains Google Sheets and Excel formulas from natural language. | SheetsGPT | 10.0K | ★ 4.6 |
| 6 |  Use the AI behind ChatGPT to explain, transform and ingest Sheets data with text commands. | arcwise | 10.0K | ★ 4.5 |
| 7 |  DeepSeek AI Chat: get answers, explore information, and chat with web pages using the latest DeepSeek V4.1 Flash and Pro models. | - | 10.0K | ★ 4.3 |
| 8 |  DeepSeek v4 provides browser access to DeepSeek AI and coding assistance for development workflows. | - | 9.0K | ★ 4.8 |
| 9 |  Leetcode Explained adds solution code, video walkthroughs and AI code analysis to LeetCode problems, plus local progress tracking. | leetcodeapp | 9.0K | ★ 2.9 |
| 10 |  Magictool puts ChatGPT, a grammar checker, a paraphraser, a YouTube summariser and many other tools into one browser extension. | magictool | 9.0K | ★ 4.8 |
| 11 |  ChatGPT for Google Colab embeds ChatGPT directly inside Colab notebooks for inline AI help. | Ali H. Kudeir | 7.0K | ★ 4.8 |
| 12 |  Real-time AI interview copilot for coding problems on major platforms. | senseicopilot | 3.0K | ★ 2.8 |
| 13 |  Trading copilot with ChatGPT Pine Script generation and a strategy optimizer. | TradeSage | 3.0K | ★ 4.2 |
| 14 |  A ChatGPT-powered writing assistant for drafting, revising, translating, and repairing text or code. | MagickPen | 2.0K | - |
| 15 |  Shows tooltips on Salesforce flow elements with GPT queries to explain flows. | - | 2.0K | ★ 4.6 |
| 16 |  Salesforce admin and developer toolkit with notebooks, query tools and optional AI chat. | Nicolas Despres | 2.0K | ★ 4.3 |
| 17 |  AI-powered GitHub pull request reviews, descriptions and code chat by Qodo. | qodo | 2.0K | ★ 4.9 |
| 18 |  Have AI write complex Excel and Google Sheets formulas for you from a short description. | Schneider Holdings | 2.0K | ★ 3.0 |
| 19 |  Underleaf turns screenshots, handwriting and plain-English descriptions into publication-ready LaTeX, with compiled previews. | underleaf | 2.0K | ★ 4.8 |
| 20 |  JoyCode is a browser extension from Lingyue Digital for coding-oriented AI assistance. | Lingyue Digital | 2.0K | ★ 4.0 |
| 21 |  LeetHub AI syncs accepted LeetCode, GeeksforGeeks and HackerRank solutions to GitHub while adding AI coaching and streak analytics. | Pradhuman Singh | 1.0K | ★ 4.8 |
| 22 |  Formats Google Apps Script and HTML in the editor with Prettier and offers AI code completion for small scripts. | - | 1.0K | ★ 4.0 |
| 23 |  Vibe Annotations drops visual feedback on localhost pages and sends it to AI coding agents like Claude and Cursor via MCP. | Spellbind | 1.0K | ★ 5.0 |
| 24 |  Runs Python code from ChatGPT right in your browser via a WASM interpreter, with file upload, plotting, and downloads. | - | 1.0K | ★ 4.1 |
| 25 |  Summarize and explore webpages with AI while adding focus and inspiration tools to the browser's new-tab page. | Aliyun | 1.0K | ★ 5.0 |
| 26 |  zkPass AI Schema Copilot generates zkPass verification schemas from natural language by observing authenticated web APIs. | zkpass | 1.0K | ★ 5.0 |
| 27 |  An AI assistant that generates, modifies, and fixes Google Earth Engine code from plain-language prompts. | - | 1.0K | ★ 5.0 |
| 28 |  An AI tutor layered on LeetCode that walks through problems in any language, step by step and interactively. | withmarble | 1.0K | ★ 5.0 |
| 29 |  AI Work for Salesforce edits data and metadata with Claude, Gemini and GPT — test data, Apex, LWC from screenshots. | xgeek | 1.0K | ★ 5.0 |
| 30 |  Claude Code Monitor displays current Claude usage, remaining capacity, and reset timing for two sliding limit windows. | - | 880 | ★ 4.0 |
| 31 |  MicroGPT brings real-time AI code audits, smart suggestions, and docs help into the Remix IDE for blockchain developers. | Microgpt | 796 | ★ 5.0 |
| 32 |  AI Code Generator turns screenshots, design drafts, Figma files, and text prompts into front-end code. | livepolls | 781 | ★ 5.0 |
| 33 |  AgentCraft is an AI copilot for generating, debugging, testing, and documenting workflows directly inside the n8n editor. | agentcraft | 748 | ★ 4.6 |
| 34 |  Overleaf Copilot brings GitHub Copilot-style content suggestions and rewriting to Overleaf, powered by OpenAI. | - | 730 | ★ 3.7 |
| 35 |  LeetCopilot provides contextual hints, study notes, code tools, and mock interviews inside LeetCode problem pages. | leetcopilot | 723 | ★ 4.2 |
| 36 |  Lexaside is your all-in-one AI sidebar for Claude, ChatGPT, Gemini, Grok, Deepseek. Chat with all AI. | ALİ CEVHER | 706 | ★ 4.6 |
| 37 |  GPT Code Reviewer puts project source contents into ChatGPT for code analysis and review. | tonychen | 690 | ★ 5.0 |
| 38 |  ThinkReview adds instant AI code reviews and scores to GitLab, GitHub, Azure DevOps, and Bitbucket pull requests right in your browser. | Thinkreview | 671 | ★ 4.6 |
| 39 |  Checkget AI brings a context-aware ChatGPT assistant to any webpage through a shortcut. | checkget | 623 | ★ 4.5 |
| 40 |  AI code analyzer by KuaFuAI helps you quickly understand any code's purpose, language, framework, module, and detailed structure. | kuafuai | 622 | ★ 4.2 |
| 41 |  AppReview runs automated code review of Canvas Power Apps, extracting structure and scoring the app from a solution zip. | - | 595 | ★ 5.0 |
| 42 |  Powerful Chrome extension that streamlines your interview preparation on Leetcode.com. | ai-powered-apps | 554 | ★ 4.3 |
| 43 |  Captures Claude Design decks from your browser to import as native, editable layers in Figma. | claudefigmaplugin | 451 | ★ 5.0 |
| 44 |  AI coding mentor that guides you through Leetcode problems with questions, hints, and explanations. | Leetcodebuddy | 412 | ★ 3.4 |
| 45 |  CodeChatGPT turns your project into one clean Markdown file optimized for sharing with ChatGPT, Gemini, Claude, and other LLMs. | Rpitalia | 356 | ★ 4.0 |
| 46 |  A Chrome extension providing an online IDE in the browser to write, run, and debug code in over one hundred languages with AI detection. | JDoodle | 351 | ★ 5.0 |
| 47 |  A Chrome extension that transforms natural language descriptions of system designs into precise UML diagrams using ChatGPT and PlantUML. | - | 287 | - |
| 48 |  Supercharge Google Gemini with an all-in-one suite of 30+ professional workspace tools and workflow automations. | - | 266 | ★ 5.0 |
| 49 |  Edit live webpages with a visual CSS editor, then copy exact changes as a structured prompt for terminal AI coding agents. | Modifyit | 213 | ★ 5.0 |
| 50 |  Free GPT-5 & Mistral AI in your Chrome sidebar — chat, write and code without leaving the page. | - | 206 | ★ 3.0 |
Related tags
FAQ
AI Coding Assistant Chrome extensions: which ranks #1?
In September 2026, BLACKBOX.AI (300.0K users) ranks #1 by users, followed by Windsurf Plugin (50.0K users) and AI Excel Bot (40.0K users).
AI Coding Assistant Chrome extensions: what are the top 10?
Ranked by users, the top 10 are: 1. BLACKBOX.AI, 2. Windsurf Plugin, 3. AI Excel Bot, 4. Web Capture, 5. SheetsGPT, 6. AI Copilot for Sheets, 7. DeepSeek AI, 8. DeepSeek v4, 9. Leetcode Explained, 10. AI Chrome Extension powered by ChatGPT.
How many AI Coding Assistant Chrome extensions does AlphaMoat track, and where does the data come from?
AlphaMoat tracks 228 AI Coding Assistant 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.