Guilherme Rizzo says CSS Scan started as a 50-hour hover inspector priced pay-what-you-want from $1.99, then a Gumroad lifetime license that he later reported as more than $100,000 in sales, separate from CSS Scan Pro subscriptions.
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Preview and debug responsive designs faster with Pixefy. View multiple devices side by side, sync scrolling and clicks, edit styles live, and ensure accessible, seamless experiences across every screen.
Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.
Real-time uptime monitoring for AI Sites and APIs such as ChatGPT, Gemini and Claude. Instantly check if AI services are down or online. Don't let a service outage stall your workflow.
Online API Mocking Tool: API simulation, Mock API, API stubbing, fake API or fake web services, API for tests, forward server callbacks or webhook notifications to the localhost, proxy requests, requests restrictions, re
Color CEO offers free online color tools: generate harmonious palettes, pick colors, extract palettes from images, recolor SVGs, and build CSS gradients. No login required.
Guilherme Rizzo says CSS Scan started as a 50-hour hover inspector priced pay-what-you-want from $1.99, then a Gumroad lifetime license that he later reported as more than $100,000 in sales, separate from CSS Scan Pro su
Adam Wathan's August 2020 essay says Tailwind CSS had about 10 million installs and that Tailwind UI, then about five months old, was about to cross $2 million in revenue, figures he stated himself beside a slug that mis
Dmytro Krasun says ScreenshotOne reached $10k monthly recurring revenue in September 2024, almost three years after launch, then $20k in June 2025, and that the second number changed how much more money still drove him.
AJ told SaaS Club Carrd was about $100k MRR, about $1.2 million ARR, and that with two people he invests time in the builder rather than in finding ways to market it; he did not, in the sources fetched here, state $2M AR