Browser extensions
42 AI tools, most popular first.
LanguageTool
AI-based grammar, spelling and style checker for writing in over 30 languages, for individuals and teams.
Gemini in Chrome
AI browsing assistant built into Google Chrome that answers questions about open tabs, summarizes pages and videos, and can act on web tasks.
GPTZero
Free AI detector that scores text for AI-generated content, sentence by sentence, for educators, students and writers.
Immersive Translate
AI translator for bilingual web pages, PDFs, subtitles, meetings and images, for students, researchers and creators.
Open WebUI
Self-hosted AI chat interface that connects local and cloud models, with Python extensions, for individuals and organizations that want to keep control of their data.
Sider
AI sidebar and browser agent that chats with multiple AI models, summarizes web pages, and automates browser tasks.
ZeroGPT
Online AI content detector that flags AI-written text and images, plus paraphrasing, grammar and plagiarism tools for writers, students and educators.
Undetectable AI
Detects AI-generated text and images and rewrites AI writing so it reads as human, for students, writers and professionals.
Copyleaks
Detects AI-generated and plagiarized text, images, and video, mainly for schools, publishers, and enterprises protecting content and IP.
MaxAI
Browser extension that gives an AI assistant sidebar for reading, writing, summarizing and translating content on any webpage.
Merlin
All-in-one AI assistant giving access to top chat models (ChatGPT, Gemini, Claude and more) for research, writing, coding and image creation.
OpenCode
Open source AI coding agent that helps developers write code from the terminal, IDE or desktop app, with free models included.
Opera AI
Free, accountless AI assistant built into the Opera browser that answers questions, summarizes tabs and files, and generates images.
Splice
Royalty-free sample library, presets and plugins for music producers, with a catalog of human-made sounds cleared for commercial use.
AIPRM
Browser extension for ChatGPT and Claude offering a library of ready-made prompts and tools to reuse your own prompts.
Pinokio
One-click launcher and browser for running open-source AI and other apps locally on your own computer.
HARPA AI
Chrome extension giving access to many AI models on any web page, for summarizing, writing, research and web automation.
AuditZap
Website audit tool running 40 SEO, performance and AI-visibility checks, with platform-specific AI fix instructions ranked by revenue impact.
Clever AI Humanizer
Free web tool that rewrites AI-generated drafts to sound more natural, varied and readable, for writers, marketers and job seekers.
Deep Art Effects
Turns photos and videos into artworks using AI style transfer of famous artists, with offline desktop and mobile app options.
Fadr
Music tech platform that splits songs into stems, detects key, tempo and chords, and makes remixes and mashups for musicians and DJs.
Novelcrafter
Novel writing software with a story bible (Codex), planning tools and optional AI assistance for authors writing books, series and other long-form fiction.
PromptHero
Searchable library of AI image and video prompts plus a generator, for artists and creators working with models like Midjourney, FLUX and Stable Diffusion.
SalesAgent Chat
AI sales copilot that listens to live sales calls and suggests what to say next, for sales reps and managers.
Agent Skills
Open, lightweight folder-based format (SKILL.md) for giving AI agents reusable instructions, scripts and domain expertise on demand.
AVCLabs Video Enhancer AI
AI video upscaler and enhancer that raises low-resolution footage to HD/4K and restores faces, stabilizes and cleans video.
Compose AI
AI writing assistant as a Chrome extension that autocompletes and generates text in any web tool, for people who type a lot at work.
CronAI
Converts plain-English schedule descriptions into 5-field cron expressions for crontab, GitHub Actions, AWS, Kubernetes and more.
LochBot
Free browser-based checker that scores a chatbot's system prompt against 31 prompt injection attack patterns for security engineers and developers.
Magenta
Open source research project from Google exploring machine learning as a creative tool for making music and art.
Midlibrary
Library of Midjourney artistic styles and SREF codes, with guides and tools for people who create images in Midjourney.
Noonshot for Midjourney
Free web helper that builds Midjourney /imagine prompts with parameters, style presets and weighting, so you don't have to memorize them.
RegexAI
Builds regular expressions from plain-English descriptions and tests them live, for developers who write or debug regex.
Superpower ChatGPT
Browser extension adding folders, search, prompt management, and exports to ChatGPT for organizing and reusing chats.
Unsloth
Open-source desktop app to run, train and connect local AI models (text, image, video) on your own hardware, no code needed.
Eightify
AI tool that summarizes YouTube videos into key ideas and timestamped notes, for busy viewers, students and researchers.
LocalePack
Translates Chrome extension messages.json files into 52 locales with placeholder-safe AI and returns a ready-to-ship _locales ZIP.
NVIDIA AI
Hardware and software platform for AI, HPC, gaming, creative work and robotics, from GPUs to data-center systems, for developers, enterprises and consumers.
Gist AI
Free Chrome extension that summarizes websites, YouTube videos and PDFs using ChatGPT, for students, researchers and busy professionals.
Run This LLM
Tool that shows the hardware needed to run local AI models (LLMs, image, video, audio) on your own machine, with build specs and performance estimates.
Harmonai
Open-source generative audio tools from a Stability AI lab, for musicians who want to create custom sound and music.
SineFrame M3
Pytest framework that tests MCP servers against real coding agents (Claude Code, Codex, OpenCode, Pi) and gates pull requests in CI.