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DevToys vs sttr: catalog facts
DevToys	sttr
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Includes text conversion, formatters, encoders and validation tools.	Many encodings, hashes and text conversions in one tool Processors can be chained
Its small utilities do not replace a full development environment.	Operates on text only Long list of operations to browse
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.