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string.is

An open-source, privacy-friendly online string toolkit for developers with 50 converters,

Visit string.is

string.is is an open-source online string toolkit for developers that provides 50 converters and formatters. Users paste or type text, choose an operation, and view the result. Conversion operations run client-side in the browser, so input data is not sent to third parties. The site uses no cookies, applies a strict Content Security Policy, and is served over SSL, making it intended as a safe alternative for pasting sensitive data into third-party tools.

The toolkit includes format detection to intelligently choose output options, and its dependencies are limited to a small set of well-maintained libraries. The source code is publicly available, and privacy-friendly analytics are provided through Plausible Analytics. The site is compliant with GDPR, CCPA, and PECR. string.is is aimed at developers who need string conversion tools while keeping data within their browser. No pricing, plans, or editions are indicated.

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