DevToys
DevToys is a desktop toolbox for developers that brings common data conversion, encoding, comparison, and text utilities into one macOS app.
What is DevToys?
DevToys is a native desktop utility app for developers who regularly need quick, focused tools while working on code, APIs, configuration files, and text data. It helps with everyday tasks such as converting data formats, encoding and decoding content, generating hashes, comparing text, and inspecting structured values without relying on browser-based tools. On macOS, it runs as a local app and includes a collection of built-in offline utilities designed for fast access during development work. DevToys also supports extensions, which lets advanced users add more tools for specialized workflows. Published by Etienne Baudoux, it is aimed at programmers, IT professionals, and technical users who want a single workspace for many small development helpers.
Key features
- Convert between common developer data formats such as JSON and YAML
- Encode and decode text or images with Base64 tools
- Generate hashes for text and other input data
- Compare text to spot differences quickly
- Decode and inspect JWT tokens and other structured content
- Detect useful tools from clipboard content for faster workflows
- Install additional extensions to add more tools
- Use built-in utilities offline on macOS
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Mostly safe
DevToys is a legitimate developer utility app for routine local data conversion and inspection tasks. Its built-in tools are generally low risk for ordinary use, especially when working with non-sensitive test data. If you use it with secrets, tokens, private keys, or production data, treat that content carefully and avoid installing untrusted extensions, because extensions can add capabilities beyond the built-in toolset.
Recommendation: Keep DevToys if you actively use developer utilities such as converters, encoders, text comparison, or token inspection on your Mac. If you no longer use it, removing the app is usually fine; just remember that uninstalling it also removes convenient access to its built-in tools and any extensions you installed.
Common paths
/Applications/DevToys.app~/Applications/DevToys.app
Support paths
~/Library/com.devtoys/Plugins/
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