Text, data, and file tools
Pretty-print JSON, convert CSV, test regexes, compare text, generate QR codes, and convert documents — all in your browser.
Free Online Tools for Text, Data, Files & More
Format, convert, clean, and compare text, data, and files — all in your browser, with no uploads.
AboutHelp & FAQPrivacyAll tools
Why we built this
For all those annoying little jobs that shouldn't require installing software. We built SwITss Knife for them.
Your work stays yours
Your work stays on your device, and you can use the tools without creating an account.
Have a tool request?
Tell us what to build next, or see what just shipped.