I Built a Free Uptime Monitor That Takes Screenshots When Your Site Goes Down

<h1> I Built a Free UptimeRobot Alternative That Runs Entirely in Your Browser (No Sign-Up) </h1> <p>I wanted to check if a website was down without handing my email to yet

<p>Hey folks! 👋<br /> As a solo developer building for the global market, balancing performance, shipping speed, and server costs is always a tricky triangle. Recently, I launched

<p>Hey DEV community! 👋</p> <p>As a developer and digital marketer, I got sick of using random, ad-stuffed websites every time I needed to quickly format JSON, calculate a margin,

<p>We've all done it.</p> <p>You're debugging a production issue at 2am. You have a JWT <br /> token you need to decode <em>right now</em>. So you Google <br /> "JWT decoder

<p>Every time I needed to calculate a subnet, generate a cron expression, or decode a JWT, I'd end up on some ad-infested site that wanted me to sign up, install an extension, or

<p>Every developer working with cloud infrastructure, CI/CD pipelines, or containerization deals with YAML and JSON daily. </p> <p>Whether configuring a Kubernetes manifest,

<p>I built a tool that answers one question: when a website won't load, is it your connection or the site? It runs two checks in parallel — measures your own line in the browser

<h2> I got hit by a 4× price hike – so I built my own uptime monitor </h2> <p>In July 2025, my monitoring bill went from <strong>$8 → $34/month</strong>.</p> <p>Same service. Same