β A Swiss Army knife for developers
docs: English JsonRpcBundle docs, REST and MCP Bundle sections, package cards
en/articles/from-tg/tools/devtools.md
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# A Swiss Army knife for developers
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Some time ago I discovered [DevToys](https://devtoys.app/) β an incredibly cool aggregator of developer tools that replaces dozens of open browser tabs.
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The app has a Ukrainian interface, works offline and is available for Windows, macOS and Debian / Ubuntu.
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*Screenshot: [devtoys.app](https://devtoys.app/)*
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## On board
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- JSON / YAML / XML formatters
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- base64 / URL / HTML encoder/decoder
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- Regex tester
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- Hash generator (MD5, SHA...)
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- UUID generator
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- JWT decoder
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- Timestamp β date
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- Text diff
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- Lorem Ipsum
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- CSV β JSON
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- and more
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## TOP 3 β what the Doctor prescribed
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- **Regex Tester** β it can't compete with [regex101](https://regex101.com/) for convenience when designing and testing complex patterns, but for simple regular expressions it's ideal.
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- **JSON / YAML / XML formatters** β a lifesaver when you get something shaggy and need to put it in order.
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- **base64 / URL / HTML encoder/decoder** β needed often, and it's nice to have it at hand.
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DevToys also has an open [SDK](https://devtoys.app/doc/articles/introduction.html) that lets you add your own extensions.
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*The JSON β YAML converter. Screenshot: [devtoys.app](https://devtoys.app/)*
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## I highly recommend trying it
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Install it β and that's a few online services fewer in your bookmarks.
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---
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*First published in Ukrainian in the Telegram channel [βCreated to dieβ](https://t.me/php_while_true/62) on August 2, 2025.*