
Video Background Changer & Remover Online - Free
使用 AI 移除或替换视频背景,下载处理后的视频。
BGChanger - AI 视频背景移除与换脸 — 在浏览器中一键替换或移除视频背景,支持高精度 AI 换脸与基础视频剪辑,无需安装客户端与绿幕。
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使用 AI 移除或替换视频背景,下载处理后的视频。
BGChanger - AI 视频背景移除与换脸 — 在浏览器中一键替换或移除视频背景,支持高精度 AI 换脸与基础视频剪辑,无需安装客户端与绿幕。

Best free QR code generator online — codes that never expire. No watermarks, no signup, no annual lock-in. 50+ types: WiFi, vCard, PDF, custom logo.
@ktat93 · X
A lot of things actually: 1. (qrcode generator - $120mrr) 2. (analytics soon + monitoring) 3. 4. (~10k visitors)

Free AI-powered resume and CV builder. Create an ATS-friendly CV in minutes, pick a professional theme, and download an instant PDF — no signup required.
@scalixdigitalco · X

Skydex is a free multiplayer flight world in your browser: fly an FPV drone or soar as a gull over the real Earth — satellite terrain, real cities, other pilots live. Creative voxe
@SkydexOnline · X

在浏览器中免费转换、压缩和编辑文件,文件不上传服务器。
@faisalhaleem · X
Just launched — free browser-based file tools runs entirely in your browser. Video to GIF (with trim slider) Merge / Split / Shrink PDF Your files NEVER leave your device. No sign-up needed. Free forever. #buildinpublic #webdev #indiedev #tools #privacy

79+ privacy-first online tools to convert, compress, and download files. Ad-free, no tracking. €1 day pass, €6/year, or €30 lifetime — no SaaS lock-in.
@philippenamias · X

使用 Arroup 录制屏幕和摄像头,然后通过链接分享。
@VladSmigelski · X
Building Loom alternative -

Audio guest book app for weddings, birthdays, and special events. Guests leave voice messages by scanning a QR code — no app download needed. Free on iPhone.
@eliasxreyes · X
Digital Audio Guestbook:

Skydive lets you build AI agents in the cloud. Talk to them in Slack, email or iMessage. They use their own computer to do work for you.
@KaylashowDq · X
and yes it’s actually live

使用Apexa Pro的100+免费计算器进行数学、化学、物理和财务计算,无需注册。
u/averageChilean · Reddit
Built a free tool site to help my brother study — now has 100+ tools, would love feedback My brother's in high school and needed something more visual to study chemistry, physics, and math, so I used Claude to build him a simple site with interactive calculators and visualizers. I'm not a programmer or from a tech background, so without AI this wouldn't have happened, at least not this fast. It ended up helping him a lot more than I expected, so I kept expanding it, added a bunch of other

与拒绝编造价格的AI前台助手聊天。
u/Constant_Series1266 · Reddit
Meridian - AI front desk for tutoring centers that refuses to invent a price Tutoring centers lose students before they ever meet them. A parent emails at 9 PM about algebra help; nobody answers until morning, and the family books somewhere else. I'm in high school. I spent four months building the front desk that does answer: it replies in seconds, handles the actual back-and-forth about price and scheduling, and books the intro session on the center's calendar. Live, no signup: https://mer

CheckMyHelpCenter - 扫描帮助中心查找冲突、重复项和过期内容。
willt2026 · Product Hunt
CheckMyHelpCenter Find conflicts hiding in your Help Center before AI does