Best Free Browser-Based Developer Utilities in 2026

I have a confession: I used to install a desktop app for everything. JSON formatter? App. Base64 decoder? App. Color picker? You guessed it — app. Then I discovered browser-based dev utilities and never looked back. No installs, no updates, works on any machine. Here are the ones I actually use in 2026. Why Browser-Based? Before the list — why should you care? A few reasons: Zero setup. Open a URL, start working. No homebrew, no choco, no apt-get. Always up to date. No "update available" notifications. Works everywhere. Your laptop, your work machine, that random Chromebook. No system resources. Nothing running in the background eating RAM. Okay, let's get into it. 1. DevToys Website: devtoys.app DevToys started as a Windows-only desktop app (think "Swiss Army knife for developers") and eventually added a web version. It's packed with utilities. What's in it: JSON/YAML/XML formatters and converters Encoders/decoders (Base64, URL, HTML, JWT) Hash generators (MD5, SHA1, SHA256) UUID gene