Ninjadev
All-in-one platform for smart, secure, and fun dev tools
Ninjadev launched on May 13, 2026 with 2 votes, #6,288 of 20,538 launches that month.
What it does
Free online developer tools: JSON formatter, JWT decoder, Base64 encoder, password generator, UUID generator, regex tester, hash generator and more. 100% private and client-side.
Ninja Dev is your all-in-one platform for smart, secure, and fun developer tools — built for professionals, students, and tech enthusiasts alike. Whether you're looking to generate strong passwords, decode JWTs, or simply enjoy a few Chuck Norris jokes while you code, this site brings together essential utilities and light-hearted extras, all crafted with performance and privacy in mind. That means whether you’re generating a password, inspecting a JSON Web Token, or just having fun with jokes, your data stays private. Ninja Dev was designed with a simple principle in mind: tools should work for you — not collect from you . We believe that the best tools are simple, useful, and respectful…from ninjadev.app
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