Compare software

sttr vs string.is: catalog facts
sttr	string.is
Free Free and open source under the MIT licence.	Free Free to use and open source under the AGPL-3.0 licence.
Windows, macOS, Linux, Command line	Web, Self-hosted
Many encodings, hashes and text conversions in one tool Processors can be chained	Detects the input format and suggests output options Sets no cookies and uses a strict Content Security Policy
Operates on text only Long list of operations to browse	Internet Explorer is not supported Limited to the formats its converters cover
Downloadable app	Web application, Self-hosted
Open source	Open source
License: MIT	License: AGPL-3.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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