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Free Online Developer Tools
19 dev tools, zero server processing. JSON, Base64—free.
DevToolCore is a no-frills collection of 19 browser-based utilities that developers actually use daily. JSON formatter with collapsible tree view, real-time regex tester, Base64/URL encoder-decoder, JWT decoder, UUID generator, timestamp converter, and SEO meta tag analyzer — all running client-side so your data never touches a server. No account, no paywall, no annoying popups. Just open the tab and get stuff done. Built with Spring Boot + Alpine.js.
Hey PH! Im a solo dev who got tired of bookmarking 10 different tool sites for JSON formatting, regex testing, Base64 encoding, etc. So I built one page that does all of it — and made sure nothing gets sent to a server (everything runs in your browser).
Currently at 19 tools, all free, no signup. Would love feedback from fellow devs on what I should add next.
About Free Online Developer Tools on Product Hunt
“19 dev tools, zero server processing. JSON, Base64—free.”
Free Online Developer Tools was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #112 on the daily leaderboard. DevToolCore is a no-frills collection of 19 browser-based utilities that developers actually use daily. JSON formatter with collapsible tree view, real-time regex tester, Base64/URL encoder-decoder, JWT decoder, UUID generator, timestamp converter, and SEO meta tag analyzer — all running client-side so your data never touches a server. No account, no paywall, no annoying popups. Just open the tab and get stuff done. Built with Spring Boot + Alpine.js.
On the analytics side, Free Online Developer Tools competes within Web App, Productivity and Developer Tools — topics that collectively have 1.3M followers on Product Hunt. The dashboard above tracks how Free Online Developer Tools performed against the three products that launched closest to it on the same day.
Who hunted Free Online Developer Tools?
Free Online Developer Tools was hunted by lixy. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Free Online Developer Tools including community comment highlights and product details, visit the product overview.
lixy