const sites = await fetchSites({ live: true })sites.filter(isLive).map(renderCard)await kv.put(`votes:${key}:up`, String(next))export default function Home() { ... }npm run validate:content && npm run typecheckgit commit -m "ship it" && git pushif (prefersReducedMotion) return nullcurl -s https://base31.org/sitemap.xml | headaddEventListener("push", (event) => show(event))serve(public/sites/example/index.html)
section
Featured sites
The sites base31 hosts itself — small, single-purpose pages that live on their own base31.org subdomain, each with a guide and its own detail page.
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19 sites
App Screenshot↗appscreenshot.base31.orgGenerate polished app screenshots for product pages, portfolios, and presentations.Reviewed · 
Background Remover↗backgroundremover.base31.orgRemove the background from a photo in your browser, swap in a colour or gradient, and download a transparent PNG with no upload.Added · Not yet reviewed
CompMails↗compmails.base31.orgCreate free temp mail with no sign up: an instant disposable inbox you can read in the browser.Reviewed · 
Daily Wordle↗dailywordel.base31.orgSolve a fresh daily word puzzle and test your vocabulary.Reviewed · 
Donation↗donation.base31.orgSupport the independent tools and experiments hosted by base31.org.Not yet reviewed
Focus↗focus.base31.orgStay on task with a simple, distraction-free focus tool for deep work sessions and daily routines.Added · Not yet reviewed
GitHub Explorer↗githubexplorer.base31.orgBrowse any GitHub repository's files and code, explore a user's repositories, and draft READMEs and docs with AI.Not yet reviewed
iframe tester↗iframetester.base31.orgTest any url with this tool, iframe testing.Not yet reviewed
Image Compressor↗imagecompressor.base31.orgCompress and resize images in the browser, with batch processing, before-and-after sizes and no upload.Reviewed · 
Is It Down↗isitdown.base31.orgCheck whether a website is reachable and verify its current status.Reviewed · 
Is It Taken↗isittaken.base31.orgCheck whether a domain name is available and see registration insights and instant alternatives.Reviewed · 
Joke Generator↗jokegenrator.base31.orgGenerate a quick joke whenever you need a little entertainment.Not yet reviewed