工具页 Tool demo demo
Green Screen Remover：浏览器里抠绿幕（视频/图片） Green Screen Remover: in-browser chroma key for video & image
把绿幕视频或图片拖进网页，在本地抠掉背景。 Drop a green-screen clip or image in the page and key it locally.
详细介绍Details
greenscreenremover.net：把绿幕/蓝幕视频或图片拖进标签页即可抠像，运算全在本地浏览器，无上传、无账号、无水印；支持常见浏览器可解码格式。 greenscreenremover.net: drop a green/blue-screen video or image into the tab; keying runs fully in-browser with no upload, account, or watermark.
适合学什么What to learn
- 工具页 Tool
在浏览器里生成 CSS/HTML 的小工具。 In-browser tools that generate CSS or HTML.
- demo demo
该类型下收录的公开 HTML 页面。 Public HTML pages listed under this type.
为什么推荐Why we recommend it 公开页 200（2026-09-18）。Show HN 当日条目；免费本地工具，隐私声明清楚（不上传、免账号、无水印），与 Paper Effects 同属浏览器端媒体工具，适合本库 HTML 分区。 Public page 200 (2026-09-18). Same-day Show HN; a free local tool with a clear privacy claim (no upload, no account, no watermark)—a browser-side media tool in the same vein as Paper Effects, a good fit for the HTML library.
核验记录：来源、抓取与截图说明Verification log: sources, checks, and captures
预览为 Playwright 实拍首屏裁 3:2 WebP。 Show HN item 49749795（2026-09-18）。Preview is a Playwright capture of the above-the-fold view cropped to 3:2 WebP. Show HN item 49749795 (2026-09-18).
