About Tool Hub
A catalog of web tools for developers, designers, and everyday tasks — formatters, converters, calculators, and generators that run entirely in your browser.
Overview
Tool Hub is a curated catalog of small web utilities — formatters, generators, calculators, converters, and validators. Each tool opens instantly and runs entirely in your browser, so the text and files you work with are processed on your own device rather than uploaded anywhere. The tools you used recently stay close at hand the next time you visit.
Why it works this way
Tool Hub focuses on doing the small, repetitive web-tool jobs well, with sample input prefilled so you can see what a tool does before entering your own data. Tools are grouped by the people who actually use them rather than padded into inflated categories, and anything experimental is labelled as such. Because the work happens in the browser, even sensitive operations stay on your device.
Getting started
Open tool.monohub.app — browse categories from the sidebar, or use search to jump straight to a specific tool. Every tool has its own permalink, so you can bookmark the ones you reach for often, and the interface follows your language setting.