DevToys (DevToys-app/DevToys)
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What is this?
DevToys is a desktop app that bundles 30+ small developer utilities (converters, encoders, formatters, generators, graphics tools, testers, text utilities) into one offline Swiss-Army-knife tool, so you don't need to use random untrustworthy websites for quick tasks.
Is this a standalone app or a library I add to my project?
It's a standalone cross-platform desktop application (built with Blazor/WinUI), not a library you import into code.
How do I install and run DevToys?
README points to the project's distribution channels (e.g. Microsoft Store rating page is referenced) rather than a build command; it's an installable desktop app for Windows, macOS, and Linux.
What's the main limitation or thing to know before using it?
The macOS version is developed by a separate contributor/project (DevToysMac), implying the native experience differs slightly per platform.
Who is this built for?
It's aimed at developers who regularly need quick utilities like JSON formatting, hashing, regex testing, or base64 decoding during daily coding work.
Which operating systems does it run on?
Windows, macOS, and Linux, all in a consistent Fluent-design desktop UI.
Does any of my data get sent online when I use these tools?
DevToys has a dedicated privacy policy linked in the README, and the pitch of the app is specifically to avoid sending data to untrustworthy external websites, implying processing happens locally.
What is Smart Detection?
A feature that automatically picks the best matching tool based on whatever data is currently on your clipboard, so you don't have to manually search for the right utility.
What kind of tools come built in?
30 default tools covering converters (JSON/YAML, Date, Number bases), encoders/decoders (HTML, URL, Base64, GZip, JWT, QR Code), formatters (JSON, SQL, XML), generators (Hash, Lorem Ipsum, Password), graphics tools (Color Blindness Simulator, PNG/JPEG Compressor), testers (JSONPath, RegEx, XML), and text utilities (Markdown Preview, Text Comparer).
Can I add my own tools to DevToys?
Yes, additional tools can be added through extensions, and the README mentions you can develop your own.
What are similar projects?
Files, DeskBox, lively, rawaccel, tubatools, PersistentWindows, SCSKiller, calculator
Which topics is it in?
extensible, fluent-design, winui, blazor, fluent, desktop-application, regex, qr-code, syntax-highlighting, windows-10, windows-11, c#

