Free tools
Free SEO & marketing tools,
no signup required.
Preview SERP snippets, generate structured data, build tracking links, and run ad calculators — fast, private, and free forever. Built for lean teams who need the utility now, not another platform subscription. When you want the whole job done on a schedule — research, drafting, publishing, and reporting — mktcrew does it for you.
Social Media Character Counter
Paste your post and instantly see character counts, limits, and truncation warnings for LinkedIn, X, Instagram, Facebook, Threads, Bluesky, and more — no signup, no AI, instant.
Open toolEmail Subject Line Checker
Check your subject line and preview text against truncation limits for Gmail, Outlook, Apple Mail, and Yahoo Mail — desktop and mobile.
Open toolBest Time to Post Calculator
Benchmark posting windows for 7 platforms, converted to your audience's timezone. A research-backed starting point — your own analytics always win.
Open toolWant it all done for you?
mktcrew runs a full marketing crew — research, content, social, ads, and reports — on a schedule you set. You approve every publish.
No credit card required · Cancel anytime · Full agent crew on Starter limits · Human approval on every live action
OAuth-only integrations · We never store platform passwords.