Vetted & Ranked
Best Vetted Browser Extensions / AI Research Tools Companies in 2026
✓ Independently vetted by the WhatiseBrokering team · Last updated July 21, 2026
Every company below passed our vetting checklist — try before you buy or a real money-back guarantee, no fine-print returns, and a human you can reach. TrustScores reflect what we actually verified, not what companies claim.
🏆 Best Choice in 2026
✓ Locus
✓ VettedAI-powered Ctrl+F that finds page and PDF content using natural language, not exact keywords.
Why we like them
✓Free tier available forever, with limits of 3 documents/day; paid Professional plan removes limits
✓Professional plan starts at $7.50/month billed annually (or $9/month), with free trial included
✓Integrates multiple AI models (OpenAI GPT-4o, Claude 3, Gemini 1.5) with option to use your own API key
What we verified
—Money-back guarantee verified
—Free trial available
✓Reachable customer service
✓No fine-print return conditions
✓No unrealistic claims detected
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