“frontend development”

Collection of web-based utilities for everyday tasks, including converters and data manipulation, which can also be self-hosted.

Write Svelte components in the browser with a live preview and shareable URL.

Edit Vue single-file components and see the compiled result and preview instantly.

A toolbox of over 1,000 single-file HTML tools that run in the browser, work offline and keep data local.

Privacy-focused set of browser-based tools for PDFs, images, text, calculators and more.

A web app with 12 open-source tools for frontend work, such as SVG and CSS utilities.

A toolbox site with hundreds of free, open-source web tools for developers, creators and everyday tasks.

Shows which browsers and versions a Browserslist query string would target.

Upload a screenshot of a web page and get HTML that approximates it.

Minifies uploaded HTML files to cut their size.

Browser-based development environment that runs Node-based web projects with WebContainers.

Adjust flex container and item properties with controls and watch the layout change live.

Write HTML in one pane and see it rendered immediately in another, with a copy button.