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I Built 150+ Free Browser Tools as a Solo Dev
How-ToWeb Development

I Built 150+ Free Browser Tools as a Solo Dev

via Dev.to WebdevAntonio2h ago

As a solo developer, I wanted to solve a simple problem: every time I needed a quick tool, I had to visit a different website filled with ads. So I built ToolKit Online - a collection of 150+ free, browser-based tools. Categories Developer Tools (22): JSON formatter, regex tester, hash generator Finance (22): VAT calculator, loan calculator Text (21): Word counter, markdown preview Math (18): Scientific calculator, chart maker Conversion (14): Unit converter, CSV to JSON Health (10): BMI calculator, calorie counter Images (7): Image compressor, photo editor Tech Stack Next.js 16, TypeScript, Tailwind CSS, Vercel. Available in 6 languages (EN, ES, IT, FR, DE, PT) with 1400+ pages. All tools run 100% client-side for privacy. Results 1400+ pages live 9 pages on Google first page Growing organic traffic from 15+ countries Try it: toolkitonline.vip All free, no signup. What tools would you want me to add?

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