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DevTooKit
91 free developer tools that stay on your device
91 free online developer tools: JSON formatter, Base64 decoder, JWT decoder, regex tester, UUID generator, hash calculator, cron parser, CSS generators & more. Local-first — nothing uploaded. Works offline as a PWA.
Top comment
Hey Product Hunt! 👋 As a developer, I was constantly opening 5 to 10 different tab bookmarks whenever I needed to format JSON, decode a JWT, test a regex, or generate UUIDs. Most existing tools either felt bloated, loaded slowly, or raised privacy concerns about sending data to a server. So I built devtoolkit.space - a local-first collection of 91 free developer utilities packed into a single, lightning-fast place. Here is what makes DevTooKit special: - 100% Local-First & Private: None of your payloads, tokens, or files leave your browser. - Works Offline: Built as a PWA, so you can keep using it without an internet connection. - No Sign-Up / No Friction: No accounts, no paywalls, and zero tracking of your inputs. - All-in-One Essentials: Includes JSON/SQL formatters, Base64/JWT decoders, regex testers, hash calculators, unit converters, and more. I’d love for you to give DevToolkit a spin and let me know: What tool or utility should I build next? Thanks for checking it out!
About DevTooKit on Product Hunt
“91 free developer tools that stay on your device”
DevTooKit was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #134 on the daily leaderboard. 91 free online developer tools: JSON formatter, Base64 decoder, JWT decoder, regex tester, UUID generator, hash calculator, cron parser, CSS generators & more. Local-first — nothing uploaded. Works offline as a PWA.
On the analytics side, DevTooKit competes within Developer Tools — topics that collectively have 519.8k followers on Product Hunt. The dashboard above tracks how DevTooKit performed against the three products that launched closest to it on the same day.
Who hunted DevTooKit?
DevTooKit was hunted by Sumit Jha. 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 DevTooKit including community comment highlights and product details, visit the product overview.