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Free Online Tool
Find anyone by their email address. Lessie's AI Agent searches 100+ live sources to return verified name, LinkedIn, company, and role — in under 2 minutes. Free tier available.
Paste an email address into Lessie — work, personal, or unknown sender. No format restrictions, no signup required to start.
Lessie's AI Agent reverse-resolves the email across LinkedIn, company sites, public profiles, social platforms, and live web data — cross-checking signals in real time.
Receive a verified profile in under 2 minutes — full name, current role, company, LinkedIn URL, and supporting context. 95%+ accuracy on B2B emails.
Search across 100+ live data sources — LinkedIn, company websites, GitHub, X, public records, and more — instead of one stale database.
Every lookup runs against live web data, not a cached snapshot. Get current job titles, current companies, and current LinkedIn profiles.
Cross-validated identity matches with confidence scoring. Lessie only returns results when multiple independent sources agree.
Start free with no credit card. Run reverse email lookups on demand and upgrade only when you need higher volume or bulk processing.
Detect fake Instagram followers instantly. Our free tool analyzes engagement rate, follower quality, and credibility score to identify bot accounts. No signup required.
Check any Instagram account's real-time follower count and profile statistics. See followers, following, posts, engagement rate, and more. Free, no signup.
Calculate any Instagram account's engagement rate instantly. Get average likes, views, and interaction metrics for free. No signup required.
Audit any Instagram account instantly. Get engagement rate, average likes, comments, follower count, and full profile stats. Free, no signup required.
Estimate Instagram influencer pricing per sponsored post. Analyze engagement rate, audience quality, and follower count to get accurate rate estimates. Free, no signup.
Discover Instagram influencers by country and niche. Filter creators by industry, location, and engagement metrics. Free Instagram creator discovery tool — no signup required.
Compare any two Instagram influencers side by side — engagement rate, followers, average likes, comments, and audience demographics. Free, no signup.
Detect fake TikTok followers instantly. Our free tool analyzes engagement rate, follower quality, and credibility score to identify bot accounts. No signup required.
Check any TikTok account's real-time follower count and profile statistics. See followers, following, likes, videos, engagement rate, and more. Free, no signup.
Calculate any TikTok account's engagement rate instantly. Get average likes, views, and interaction metrics for free. No signup required.
Audit any TikTok account instantly. Get engagement rate, average likes, views, follower count, and full profile stats. Free, no signup required.
Discover TikTok influencers by country and niche. Filter creators by industry, location, and engagement metrics. Free TikTok creator discovery tool — no signup required.
Compare any two TikTok influencers side by side — engagement rate, followers, average likes, plays, shares, and audience demographics. Free, no signup.
Check any YouTube channel's real-time subscriber count and channel statistics. See subscribers, total views, videos, engagement rate, and more. Free, no signup.
Detect fake YouTube subscribers instantly. Our free tool analyzes engagement rate, subscriber quality, and credibility score to identify bot accounts. No signup required.
Calculate any YouTube channel's engagement rate instantly. Get average likes, views, and subscriber metrics for free. No signup required.
Audit any YouTube channel instantly. Get engagement rate, average views, likes, subscriber count, and full channel stats. Free, no signup required.
Discover YouTube influencers by country and niche. Filter creators by industry, location, and engagement metrics. Free YouTube creator discovery tool — no signup required.
Compare any two YouTube influencers side by side — engagement rate, subscribers, average likes, views, and audience demographics. Free, no signup.
View public X (Twitter) profiles anonymously — no login needed. Browse bios, follower counts, and recent activity for any public account.
Search Twitter/X accounts by uploading a similar image or describing an avatar. Our AI-powered tool instantly finds matching Twitter profiles by profile picture similarity. Search 10M+ profiles. Free to use.
Check any Twitter/X account's real-time follower count and profile statistics. See followers, following, tweets, engagement rate, and more. Free, no signup.
Calculate any Twitter/X account's engagement rate instantly. Get average likes, views, retweets, and interaction metrics for free. No signup required.
Audit any Twitter/X account instantly. Get engagement rate, average likes, retweets, follower count, and full profile stats. Free, no signup required.
Discover Twitter/X influencers by country and niche. Filter creators by industry, location, and engagement metrics. Free Twitter creator discovery tool — no signup required.
Compare any two Twitter/X influencers side by side — engagement rate, followers, average favorites, retweets, and audience demographics. Free, no signup.
Verify bulk email lists free — remove invalid, disposable, and spam-trap emails instantly. Cut bounce rates and boost deliverability. No signup needed.
Lessie reverse email lookup finds the person behind any email — name, company, LinkedIn — across 100+ live sources. 95%+ accuracy. Free to start.
Generate personalized B2B cold emails with AI — subject line and body in seconds.
Verify email addresses for free. Check email format, domain, MX records, disposable & role-based emails. Bulk verify up to 500 emails. No signup required.
Generate possible email addresses from a name and domain. Free email permutator creates 20+ variations to help you find the right email. No signup required.
Lessie AI Supercharge your email campaigns. Craft, send, and track high-performing emails effortlessly—boost your outreach and turn leads to loyal customers.
Find targeted email addresses lists by industry and role. AI-powered email database builds custom contact lists for marketing, sales and recruiting. Start free.
Automate personalized email outreach with AI. Lessie's cold email tool writes, sends, and tracks tailored messages so you can book more meetings and close more deals.
Test your email subject line for free. Get instant scoring on length, power words, spam triggers, and readability. Boost your open rates today.
Generate personalized cold call scripts for B2B sales. Free, no signup required.
Look up any company profile instantly. Get industry, employees, revenue, funding, location, social links, and more. Free, no signup.
Find all office locations for any company worldwide. Discover headquarters, branch offices, warehouses, and R&D centers from multiple data sources. Free, no signup.
Find small businesses near you — open now, hiring, for sale, woman-owned, veteran-owned. Free local business search tool with distance filters.
Generate instant B2B company intelligence snapshots — revenue, funding, tech stack, employees, growth signals. Free company research tool, no signup required.
Find companies like your best customers instantly. AI-powered lookalike company search for B2B prospecting. Free tool to expand your target account list.
Preview Discord avatars, banners, usernames, and badges from any public user ID with a clean lookup workflow.
Preview public Facebook profile information anonymously. Browse profiles without logging in or having an account.
Generate professional AI headshots for free. No sign up required. Perfect for LinkedIn, resumes, and business profiles. Try our free AI headshot generator now.
Calculate CPM (Cost Per Mille), total ad spend, or impressions instantly. Free CPM calculator for digital advertising campaigns. No signup required.
Discover what technology any website uses. Free tech stack checker reveals CMS, frameworks, analytics & 1,200+ technologies.
Calculate TAM, SAM & SOM with bottom-up and top-down methods. Free market size calculator for startups & consultants.
Score B2B accounts against your ideal customer profile. Free ICP scoring rubric with instant fit grades and tier classification.
Generate winning sales deck outlines instantly with our free AI tool. Create B2B sales decks, investor pitches, and startup presentations in seconds.
Free AI-powered competitor comparison tool. Analyze competitors' SEO, pricing, social media & market position. Get instant competitive insights with Lessie AI.
Score your resume instantly with our free ATS checker. Get detailed feedback on keywords, formatting, and ATS compatibility. No login required.
Free AI-powered CV builder. Create ATS-friendly resumes with smart suggestions, professional templates, and instant PDF download. No signup required.
Create professional invoices online for free. Fill in your details, add line items, and download as PDF instantly — no signup required.
Confirm the identity, role, and company behind an inbound reply before booking a meeting — no more wasted calls with unqualified contacts.
Validate candidate emails against LinkedIn and current employer data in seconds, before reaching out or scheduling interviews.
Turn a single email submission into full firmographic context — company, role, seniority — to route leads and personalize follow-up.
Check who's behind an unknown sender before you reply. Spot phishing attempts, impersonators, and unwanted outreach in under 2 minutes.
