A free, browser-only toolbox for everyday development chores: formatting, encoding, debugging, converting and generating.
Everything below runs entirely client-side — nothing you paste in or upload is ever sent to a server.
Is Dev Utils tools free to use?
Yes. All 40 tools are free, with no sign-up, account, or usage limit.
Does my data leave my browser?
No. Every tool runs entirely client-side in JavaScript. Text you paste in, files you upload, and generated output are never sent to any server.
Do I need to install anything?
No installation is required. Dev Utils tools runs in any modern browser as a single web page.
How many developer tools does Dev Utils tools include?
40 tools across formatting, encoding, debugging, converting and generating — including a JSON formatter, Base64 encoder, JWT debugger, regex tester, UUID/ULID generator, hash generator, color converter, cron expression builder and code beautifiers.