Your complete
toolkit, online.

Most developer tools live in the same handful of category-leading sites that have spent years optimizing for ad revenue first and tool quality second. The pattern is familiar: a five-step interstitial before the tool loads, a "Pro" tier that gates the actual useful feature, a sidebar of competing CTAs, and a footer that asks you to subscribe to three newsletters. Many tools are also unmaintained — visibly broken on mobile, abandoned regex patterns from 2014, conversion outputs that quietly truncate at 500 lines.

Toolsy was built to be a calmer alternative. The rule for every tool here is the same: it should be the answer to a real engineering or productivity question, and it should work the first time, on any device, without an account. Inputs that should stay on your machine — credentials, hashes, secrets, content you don't want logged — are processed in the browser using the Web Crypto API and similar local primitives whenever possible. Inputs that genuinely require a server (RSA key generation, SQL formatting, image conversion) are processed in memory and discarded the moment a response is sent. Nothing is stored, nothing is analyzed, nothing is forwarded to a third party.

The site is intentionally boring. Server-rendered HTML, one stylesheet, no JavaScript framework on the visitor side. That's also why pages load in under a second on a phone — not because we obsess over benchmarks, but because we chose not to ship a megabyte of compiled React for a tool that converts hex to RGB.

Toolsy is run by working developers. We use the tools ourselves, fix them when they break, and read every email sent to hello@toolsy.website. The changelog shows what shipped this week and the roadmap shows what's next.