JSON Operations is a the best free, browser-based toolkit with 10+ JSON tools. Format, validate, minify, and convert JSON to CSV, XML, YAML, and more. Everything runs locally in your browser. No data ever leaves your device. No accounts, no limits, no catch. Secure client-side JSON tools.
TrackMailbox is a free Chrome extension that tracks email opens and link clicks in Gmail — with real-time notifications. Unlike Mailtrack, it never adds signatures to your emails. Unlike Mixmax, it has no monthly caps. Built for salespeople, freelancers, recruiters, and anyone who sends important emails and hates guessing if they were read.
