About SpryTools
SpryTools is a growing collection of free online utilities built around a single idea: a tool should open instantly, do one job well, and respect your privacy. There are no accounts to create, no paywalls in front of the core features and nothing to install — every calculator, converter, formatter and generator runs directly in your browser, on your own device.
The toolkit covers everyday tasks and technical work alike. Writers and students reach for the word counter, character counter, case converter and readability checker; developers use the JSON, YAML, XML, SQL and HTML formatters, the JWT and UUID tools, and the hash and password generators; designers lean on the colour converter, gradient, box-shadow and flexbox helpers; and everyone uses the converters for units, time zones, dates and number bases. Pick a tool above and it loads on its own fast, focused page.
How these tools work — and why your data stays private
Most online utilities send whatever you paste to a server to be processed. SpryTools deliberately does not. Because the logic runs client-side, the text, code or numbers you enter never leave your computer — there is nothing to transmit, nothing to log and nothing to store. That has three practical benefits: it is private enough to use with confidential drafts, client work or internal data; it is fast, because there is no network round-trip; and it keeps working even if your connection drops after the page has loaded. The handful of tools that genuinely need live data — IP, DNS and domain lookups, for instance — make a single minimal request and tell you so on the page.
Frequently asked questions
Are SpryTools really free?
Yes. Every tool on this site is free to use, with no account, no trial and no usage cap. There is an optional paid REST API for developers who want to call the same utilities from their own code, but the web tools themselves stay free.
Do I need to sign up or log in?
No. There is no registration, login or email required. Open a tool and start using it immediately.
Is my data uploaded or stored anywhere?
For the large majority of tools, no. Formatting, conversion, counting, encoding and generating all happen inside your browser, so what you paste never reaches a server and is never logged. The few tools that need live external data — such as IP, DNS or domain lookups — send only the minimal query required, and say so on the page.
Do the tools work on phones and tablets?
Yes. Every tool is responsive and runs in any modern browser on mobile, tablet or desktop — there is no app to install.
Can I use the tools offline?
Mostly. Once a browser-based tool has loaded, it keeps working even without a connection. Tools that fetch live data are the only exception.
Is there an API for developers?
Yes. Many SpryTools utilities are also available as a single self-serve REST API at api.sprytools.com — one key for validation, conversion, lookups and more, with a free tier and no credit card required. See the API page for details.
Who are these tools for?
Anyone who wants a quick, reliable utility without friction: writers and students watching word and character limits, marketers and SEOs checking metadata and readability, designers generating colours and CSS, and developers who need a fast formatter, converter or token tool without installing anything.
How often do you add new tools?
Regularly. The collection grows as we build tools for common requests, and each new one gets its own dedicated, fast-loading page so it stays quick and easy to bookmark.