Free online web utilities

Paste service that keeps the text in the URL fragment, so no database or server storage is needed.

Previews an icon inside maskable-icon safe zones and exports a PWA-ready version.

A toolbox of 152 free browser-based tools, available in 17 languages with no signup.

Turns pasted JavaScript into a draggable bookmarklet link.

Turns a pasted userscript into an install link and previews its metadata.

Breaks a URI into scheme, host, path, query and fragment.

Splits a user-agent string into browser, engine, OS and device.

Converts characters to HTML entities, in named, numeric or hex form.

Scans QR codes with a camera or an image file, and says it works in the browser.

Builds Discord timestamp markup that displays in each reader's local time.

Breaks a URL into parts you can edit, then rebuilds it.