I built Toolbit — a fast, ad-free, privacy-respecting developer toolbox that runs entirely in your browser.
It brings together 20+ everyday utilities like:
JSON Formatter & Validator
Base64 Encoder / Decoder
JWT Decoder
Markdown Previewer
HTML / CSS / JS Minifiers
Word Counter, Diff Tool, and more
Everything runs completely on the client side, so no data ever leaves your machine. You can even install it as a PWA for offline access.
Toolbit was born from frustration with random online tools full of ads, trackers, and inconsistent UIs. I wanted a single, clean space that developers could trust and use quickly without losing focus.
Features:
All-in-one workspace for common developer tasks
100% local execution (no server calls or telemetry)
Light & dark themes
Works on any browser and can be installed as a PWA
Try it here: https://toolbit.pages.dev
I’d love feedback on usability, performance, and what tools you think I should add next.
The dark theme looks great and the consistency across all tools is refreshing compared to the usual “one page per utility” sites.
Would love to see a couple more dev-focused tools added (maybe regex tester), but this is already super handy for quick JSON formatting and JWT decoding.
Also appreciate that it works offline — that’s a rare touch for something like this. Bookmarked.