A Swiss Army knife for developers
Some time ago I discovered DevToys — an incredibly cool aggregator of developer tools that replaces dozens of open browser tabs.
The app has a Ukrainian interface, works offline and is available for Windows, macOS and Debian / Ubuntu.
Screenshot: devtoys.app
On board
- JSON / YAML / XML formatters
- base64 / URL / HTML encoder/decoder
- Regex tester
- Hash generator (MD5, SHA...)
- UUID generator
- JWT decoder
- Timestamp ↔ date
- Text diff
- Lorem Ipsum
- CSV ↔ JSON
- and more
TOP 3 — what the Doctor prescribed
- Regex Tester — it can't compete with regex101 for convenience when designing and testing complex patterns, but for simple regular expressions it's ideal.
- JSON / YAML / XML formatters — a lifesaver when you get something shaggy and need to put it in order.
- base64 / URL / HTML encoder/decoder — needed often, and it's nice to have it at hand.
DevToys also has an open SDK that lets you add your own extensions.
The JSON ↔ YAML converter. Screenshot: devtoys.app
I highly recommend trying it
Install it — and that's a few online services fewer in your bookmarks.
First published in Ukrainian in the Telegram channel “Created to die” on August 2, 2025.