In Browser Javascript Runtime
The best 50 In Browser Javascript Runtime AI tools - Free & Paid
Explore 50 AI for In Browser Javascript Runtime
Browser Use is a web automation tool that facilitates human-like interactions on websites. It offers features like captcha bypassing, stealth mode for authentication, and supports multiple languages, making it ideal for web scraping and navigation tasks.
Subscription
- $500
Browser Cash is an AI browser-agent platform and extension that turns browsers into secure distributed nodes, enabling sandboxed automated web tasks (research, data collection, form filling) with anonymized, isolated sessions while rewarding participants with redeemable points.
Freemium
VibeClaw.dev is a browser-based OpenClaw runtime for running AI coding agents in sandboxed, in-browser Node.js containers. It features a complete virtual filesystem, multi-agent orchestration, and flexible model support from local WebGPU LLMs to cloud APIs, all exportable for private, reproducible w
Freemium
Bolt.new is an AI-powered development agent that allows users to build, edit, run, and deploy full-stack applications directly from their browser without local setup. It provides complete control over the development environment, making web development seamless and AI-driven.
Freemium
BrowserAct is an AI-powered no-code web scraper that extracts data using natural language commands and bypasses geo-blocks with residential IPs. It automates CAPTCHA solving, offers real-time monitoring, and stores data long-term with built-in ad-blocking.
Freemium
Sigma Browser is an AI-first web browser that enhances productivity with integrated tools like SigmaGPT for task automation, research, and content assistance. It prioritizes privacy with encrypted DNS, phishing protection, and built-in organization features like bookmarks and password management.
Freemium
m3u8 player online is a browser-based HLS player and downloader that plays live and on-demand streams with adaptive bitrate switching, while also enabling in-browser conversion of m3u8 files to MP4/WebM/MKV and batch downloading with resume support.
Free
YouTube sumamry chrome extension is a YouTube video summary tool developed by Glasp Inc., currently in beta testing and requires installation on Chrome or Safari browsers along with sign-up.
Firecrawl offers an API that scrapes, crawls, and searches web content, outputting data in clean LLM‑ready formats such as Markdown, JSON, or screenshots. It handles JavaScript-heavy pages, PDFs, and enables interactive browser automation.
Subscription
Open Operator is a user-friendly AI tool that allows users to view, run, and browse AI models directly in their web browser. Powered by Stagehand and BrowserBase, it offers a seamless experience for exploring AI predictions effortlessly.
Browse.sh is a CLI tool for browser automation and AI agents, providing primitives like click, scroll, and type with accessibility-aware selectors for efficient web testing and data extraction. It also offers a searchable catalog of site-specific skills and structured APIs for platforms like Amazon,
Freemium
Google Antigravity is an IDE for developers featuring tab autocompletion, natural language code commands, and configurable agents that monitor tasks. It offers cross-surface synchronization and a unified mission control view for managing multiple agents.
Free
SigmaOS is an AI-powered, ad-free browser tool that revolutionizes internet navigation through organized workspaces, vertical tabs as to-do lists, split-screen multitasking, and lazy search functionality. It integrates with Airis for contextual answers and simplifies web content with interactive su
Free
page-agent is an in-page JavaScript GUI agent for natural-language control and browser automation, offering text-based DOM manipulation, screenshots, and LLM integration. It runs in-browser or headless, supports cross-tab workflows, extensions, and external control.
Free
AIPex is an open-source, lightweight browser extension that embeds an AI assistant into existing browsers for inline search, content drafting, code help and workflow automation, offering toggle modes, language switching, tab/session integration and developer-friendly setup.
- $20/mo
BrowserFly enhances web browsing by providing AI interactions within your browser. It offers automated summaries, optimized video searches, customizable chat prompts, and an automation agent mode for navigating websites and completing tasks efficiently.
Free trial
WebScraping.AI offers a single API that retrieves clean HTML, plain text, or JSON from any URL, handling JavaScript-heavy pages, proxies, CAPTCHAs, and retries. Users can query, extract fields, generate summaries via prompts, and integrate with SDKs or workflow tools.
Subscription
- $29/mo
n8n is an open‑source workflow automation platform with a visual canvas and custom JavaScript/Python support. It connects to 500+ integrations, enables AI agents and RAG, offers audit logs, real‑time alerts, and can be self‑hosted on Docker or Kubernetes.
Free
LipSurf is a Chrome extension that lets users dictate text and control web pages via voice commands. It supports Gmail, Docs, Slack, and other sites, enabling hands‑free navigation, scrolling, clicking, and media control in multiple languages.
Free
FlashAI is a Chrome extension that runs ChatGPT via your OpenAI API key in-browser, offering one-click webpage summarization, highlight-to-run prompts, a prompt manager, keyboard shortcuts and context-menu access for faster research, drafting and content extraction.
Free
JS2TS converts JavaScript to TypeScript with a single button click, adding type annotations while preserving functionality. It offers quick examples and supports JSON‑to‑TypeScript, CSS‑to‑JSON, and CSS‑to‑Tailwind conversions for developers, teams, and code maintainers.
Freemium
JDoodle is a free online coding platform supporting over 100 programming languages. It offers features like live coding sessions, smart code suggestions, debugging tools, and LMS integration, enhancing the coding experience for developers, educators, and students.
Freemium
WebCrawlerAPI simplifies web crawling and data extraction with a developer-friendly API that retrieves website content in text, HTML, or Markdown, automates data cleaning, and handles complex challenges like JS rendering and anti-bot mechanisms.
Freemium
happycapy runs AI agents and skill modules directly in the browser, offering GUI and CLI interfaces, a skills store, browser automation, private sandboxed execution, live monitoring and action review, and developer extensibility for custom skills and workflows.
Subscription
- $17/mo
Sider AI is a browser extension that consolidates instant summarization, translation, and research tools in a side panel. Users compare AI model responses, receive on‑the‑fly explanations for highlighted text, extract OCR, and store snippets in a searchable knowledge base.
Free
GitWit is an open‑source, AI‑native browser IDE that supports syntax highlighting, auto‑completion, and real‑time collaboration. It integrates GitHub, embeds Next.js backend, offers secure sandboxing, AI code suggestions, and community live sessions for streamlined full‑stack development.
Freemium
Webcam Effects Chrome Plugin provides browser-based virtual backgrounds, blur, and background replacement with images or video; records browser tabs or single sources; adds AI noise cancellation, smart auto-framing, picture-in-picture, emoji/Giphy, and custom layouts.
Freemium
DeepSeek Free provides browser access to 671-billion‑parameter DeepSeek-R1/V3 models for conversational Q&A, code assistance, math solving, and document/image-aware NLP; supports direct use without login, workflow integration, customization, and encrypted data handling.
Free
NoCaptcha AI is an innovative captcha-solving tool with Chrome and Firefox extensions. Leveraging AI technology, it effortlessly bypasses captchas, boosting automation and productivity for users and developers.
Free trial
- $1
Quetta is a cross‑platform browser that lets users download videos in MP4, M3U8, or HLS with one click. It includes ad blocking, Chrome and Edge extensions, privacy safeguards, and features like picture‑in‑picture, background audio, speed control, and offline playlists.
Free
Nextbrowser is an AI-powered browser that automates complex online tasks like web scraping, social outreach, and account management. It operates in Fast or Smart modes, using geo-targeting and human-like interactions to streamline workflows.
Free trial
You.com is an AI-based search engine that provides customized search results and summarizes web pages by categories, with Code Complete for technical information and shareable links.
Dex is a Chrome extension that turns your browser into an AI workspace, centralizing notes, tasks and context across tabs and apps, integrating Gmail, Calendar, Sheets and LinkedIn for meeting prep, lead extraction, analysis and personalized outreach.
Freemium
Testbook AI is a Chrome extension that records and replays user interactions to create regression and UI comparison tests without coding. It supports cross‑browser validation, integrates with Sauce Labs, BrowserStack, LambdaTest, exports code, and auto‑heals scripts.
Freemium
Fellou is a cognitive browser that enhances information accessibility with deep search capabilities, bulk actions, and cross-app integration. It offers a virtual workspace for task management and allows users to organize profiles for work, life, and entertainment.
Free
Glitch is an online code editor and hosting platform for building, editing, and deploying web apps, offering real-time collaboration, live preview, instant deployments, templates and remixing, version history and logs, community resources, and edge hosting for low-latency apps.
Freemium
Pi.dev is a terminal-based coding agent for developers and teams, offering TUI, RPC/SDK modes, extensible TypeScript modules and packages, multi-provider model authentication, session/context management, RAG/memory primitives, and CLI tooling for automation and integration.
Free
##iflow is a browser enhancement tool that improves browsing by ensuring website compatibility, optimizing performance, and supporting modern web technologies. It facilitates QR code scanning and efficient navigation of links while promoting secure and fast browsing experiences.##
Freemium
GoLogin Cloud Browser is a cloud-based platform that provides scalable, headful browser instances with unique fingerprints and IPs for web scraping and automation. It offers programmatic control via Puppeteer/Selenium, integrated proxy services, and team management tools to reduce detection and simp
Free trial
Browser‑based AI upscaler uses WebGPU and open‑source algorithms like Anime4K and RealESRGAN to enlarge video and image resolution. It processes each frame client‑side, preserving privacy, with drag‑and‑drop, side‑by‑side comparison, and selectable output sizes.
Free
Skyvern automates web workflows directly in the browser, handling two‑factor logins, CAPTCHAs, and proxies. Using vision‑based interaction and LLM reasoning, it extracts structured data, processes OCR, submits forms, runs tests, and provides explainable run summaries with SDK support.
Freemium
- $29/mo
UserWay is a powerful web accessibility AI tool that ensures compliance with accessibility standards. It offers features like content skipping and low vision user support. Ideal for enhancing website accessibility without hassle.
Free trial
Surfed is a native Apple browser that records every tab, bookmark, note, and search, syncing via iCloud. It offers a searchable timeline, smart bookmark collections, built‑in dev tools, automation workflows, AI helpers for summarization, and multi‑context Spaces.
Freemium
Pola Browser enhances productivity with smart tab management, research mode for tracking browsing journeys, AI tools for content summarization, and multiple profiles for organized workflows, all while maintaining performance and user privacy with integrated security features.
Free trial
BrowseGPT automates web browsing with a Chrome extension that uses GPT‑3 to interpret commands like CLICK, ENTER_TEXT, and NAVIGATE, logging actions and reasons for easy correction. It saves time for shoppers, researchers, and repetitive tasks.
Free
PseudoEditor is a web‑based pseudocode IDE with syntax highlighting, error detection, auto‑completion, and instant compilation. Cloud‑stored projects are accessible from any device. It supports AQA, OCR, CIE, Edexcel, and IB specifications, helping students and teachers practice algorithms.
Free
An AI‑powered browser tool that translates app content into over 200 languages while keeping data local. It supports JSON, YAML, JavaScript, and TypeScript files, letting developers import, edit, and bulk‑export translations without sending data to external servers.
Paid
Render simplifies deployment and scaling of web apps, APIs, background workers, and static sites. It supports Docker, build‑packs, native runtimes, GitHub CI/CD, automatic scaling, zero‑downtime updates, SSL, custom domains, environment variables, and CDN‑backed database add‑ons.
Freemium
AIChatOnline.org is a browser‑based AI assistant that processes text, images, and documents, aiding writers, researchers, and developers to draft content, refine tone, summarize reports, debug code, and browse over 50k integrated AI tools—all without installation and with session‑only privacy.
Subscription
- $6.4/mo