One browser agent that combines every major AI model with web automation

12 alternatives to Lexal, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|
| ● | Lexal | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 2.2 | Profile |
| 1 | HARPA AI | harpa.ai | 537.46K | 267.81K (+99.3%) | Freemium | United States | 4.6 | Compare |
| 2 | Second Opinion | secondopinion.so | 0 | 0 (0%) | Freemium | Global | 3.9 | Compare |
| 3 | Merlin AI | getmerlin.in | 1.38M | 159.85K (+13.1%) | Freemium | United States | 4.3 | Compare |
| 4 | PeerReview | chromewebstore.google.com | 0 | 0 (—) | Free (open source) | Global | 4.4 | Compare |
| 5 | Critique | critiquebrowser.app | 0 | -2.88K (-100%) | Freemium | Global | 4.2 | Compare |
| 6 | NativeMind | nativemind.app | 2.21K | -2.6K (-54.1%) | Free | United States | 4.4 | Compare |
| 7 | Kome AI | kome.ai | 174.91K | -12.18K (-6.5%) | Freemium | India | 4.1 | Compare |
| 8 | Walles.ai - Your AI Browser Sidekick | walles.ai | 8.31K | -5.35K (-39.2%) | Freemium | Global | 3.8 | Compare |
| 9 | ClaimValidator | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 4.3 | Compare |
| 10 | Locus | locusextension.com | 615 | -3.51K (-85.1%) | Freemium, Free Trial | United States | 4.1 | Compare |
| 11 | Truth Keeper | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 3.1 | Compare |
| 12 | Yu2bias (Yt-sum) | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 3.2 | Compare |
One browser agent that combines every major AI model with web automation

Fact-check and bias-check any text while you browse
One-click AI assistant for browsing, writing and research
One-click AI assistant for browsing, writing and research

Free / Open-sourceHighlight text and get a summary in one click, powered by Gemini's browser APIs
Free / Open-sourceHighlight text and get a summary in one click, powered by Gemini's browser APIs
Autonomous fact-checking that appears right next to the content you read
Autonomous fact-checking that appears right next to the content you read
Free / Open-sourceA private, on-device AI assistant that runs local LLMs right inside your browser
Free / Open-sourceA private, on-device AI assistant that runs local LLMs right inside your browser
Summarize, bookmark and write with AI right in your browser
Summarize, bookmark and write with AI right in your browser
Your GPT-powered sidekick for every page, PDF and video
Your GPT-powered sidekick for every page, PDF and video

Free / Open-sourceAI that checks whether Reddit claims are actually backed by their sources
Free / Open-sourceAI that checks whether Reddit claims are actually backed by their sources

Ctrl+F, reimagined with AI for web pages and PDFs
Ctrl+F, reimagined with AI for web pages and PDFs

AI-powered Chrome extension that scores any text for truthfulness
AI-powered Chrome extension that scores any text for truthfulness

Free / Open-sourceSummarize any YouTube video and see its bias, fallacies, and counterpoints
Free / Open-sourceSummarize any YouTube video and see its bias, fallacies, and counterpoints