Free tools that respect your privacy.
Everything runs in your browser. No accounts, no servers, no data collection. Just useful tools — free, forever.
Available Tools
Email Verifier
FreeVerify up to 20,000 email addresses instantly. Checks syntax, MX records, disposable domains, role addresses, and typos. Export results to CSV.
AI Scrubber
FreeDetect AI-generated content instantly. Highlights 11 categories of AI writing patterns from ChatGPT, Claude, Gemini and more. One-click humanizer included.
Why Konvrt?
Privacy by default
Every tool runs entirely in your browser. Your data never touches a server — not even ours.
Always free
No credit card, no freemium limits, no hidden costs. Free tools that are genuinely free.
Instant results
No waiting for server round-trips. Processing happens right on your device, immediately.
About Konvrt
Konvrt is a growing suite of free, browser-based tools built for marketers, developers, content creators, and anyone who needs fast, reliable utilities without the overhead of signing up for yet another service.
Most online tools today require an account, impose hard rate limits on free tiers, or quietly upload your data to process it server-side. We think that's unnecessary. Modern browsers are powerful enough to handle most common tasks locally — so that's exactly how Konvrt works.
Our Email Verifier checks syntax rules, MX DNS records via Cloudflare and Google DNS-over-HTTPS, disposable domain lists, role-based address patterns, and common typos — all without sending your email list anywhere. Our AI Scrubber analyses text for patterns common in AI-generated writing and provides a one-click humanizer, entirely client-side.
Konvrt is ad-supported to cover hosting and development costs. We display Google AdSense advertisements. We do not sell user data. For full details, see our Privacy Policy.