How many browser tabs do you keep bookmarked just to format JSON? Decode a JWT. Generate a UUID. Test a regex. Convert Base64. Check a hash. Preview Markdown. Compare two strings. Count them. I'll wait. @VelerSoftware counted them all — then built DevToys so none of them need to exist anymore. DevToys-app/DevToys — 32,000 GitHub stars, 1,800 forks, MIT licensed. A Swiss Army knife for developers. No internet required. No untrustworthy websites. Just your machine. Here's everything in one offline desktop app: → Converters: JSON to YAML, Date, Number bases → Encoders/Decoders: HTML, URLs, Base64, GZip, JWT, QR Code → Formatters: JSON, SQL, XML — paste and clean instantly → Generators: Hash & Checksum, Lorem Ipsum, Password → Graphics: PNG/JPEG Compressor, Color Blindness Simulator → Testers: JSONPath, RegEx, XML — test patterns without a project → Text Utilities: Markdown Preview, Text Comparer, Analyzer → Smart Detection — copies something to clipboard, DevToys automatically selects the right tool for the data → Extension Manager: 44+ community extensions including JSONSchema Validator, XPath Tester, ULID Generator, UUID Formatter, C# to TypeScript, Msgpack, and more → Windows, macOS, Linux — cross-platform since v2 → Everything runs locally — your data never leaves the machine → MIT licensed — install via winget, Homebrew, or direct download The best developer tool is the one that's already open when you need it. Discovered on OSSphere : ossphere.dev/DevToys-app/Dev… Which browser tab would you close forever if DevToys replaced it? Drop it below 👇 #DevToys #OpenSource #DeveloperTools #Productivity #BuildInPublic #Windows #macOS