
Free Online CAD Editor — Draw, Edit and Export DXF Files in Your Browser
Draw and edit 2D CAD designs in your browser, then export as DXF or PDF — no installation or login required.
@KulmanLab · X
- a free and accountless alternative to Autocad
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Draw and edit 2D CAD designs in your browser, then export as DXF or PDF — no installation or login required.
@KulmanLab · X
- a free and accountless alternative to Autocad

Validate, fix, and convert JSON and XML; monitor API response changes.
@SupportFixzi · X
Building an API monitoring tools which allows you to know when your AI breaks, before your users do. It has an API monitoring tool and an AI schema validator in it. This is a solution that can ensure your customers trust your app.

Generate professional documentation for startups without coding or complex setup.
@hannah24_app · X

Create dynamic QR codes with custom logos, colors, and usage tracking.
@IfeanyiArinze10 · X
What does What makes it unique?

Free online PDF editor with 51 tools for merging, signing, OCR, and translation—works offline, no login needed.
@zubidavies · X

Convert HTML and Markdown content into shareable links and QR codes.
@gomixo · X
和团队做了一个非常实用的小工具:HTMLShare。 现在用 AI 生成网页、报告、可视化作品越来越方便,但生成后的 HTML 文件,想分享给别人却很麻烦:要么发文件,要么部署网站,要么截图。 HTMLShare 解决的就是这个问题: 👉 欢迎体验,也欢迎反馈建议。

Upload code to automatically scan for security vulnerabilities.
@POONAMSING9999 · X
Forget this fight. The problem in AI is vibe coding security risk so i made vibe Guard ai that analysis user code and found out security risks. For the sake of humanity, to solve a painful problem I made this It had free version try now

@UK_Daniel_Card I made something similar https://t.co/HCVGlFb8hF. Its completely vibe coded but it is supposed to be a vibe project. Been making it for about 6 months now. Feel fre
@slacksarenice · X
I made something similar Its completely vibe coded but it is supposed to be a vibe project. Been making it for about 6 months now. Feel free to take inspiration from it 😅

Instantly share files and text across devices (Mac, PC, iOS, Android, Smart TVs) via your browser, no signup needed.
@WackyCrocoGator · X
This one doesn’t require any signup or payment. Just load and multiple device by opening the site on them and connect them for an easy way to drop text and file to each other.

Create and export flowcharts, sequence diagrams, ERDs, and other Mermaid diagrams online.
ghosts_ · HN
I've been slowly adding some new free tools to Moxie Docs (partly for SEO, partly to illustrate some of our feature sets before any commitment) for some reason this mermaid editor one blew up on Google rankings so I figured I'd share in case people find it useful! We also have ADR, AGENTS.md, LLMs, and a few other free tools.

Mobile workspace for editing and previewing HTML/CSS/JS apps with AI integration.
u/heisenberg2995 · Reddit
I built a mobile workspace to edit and preview the HTML apps ChatGPT/Claude write for you. Hey everyone! I built VanillaPad , a mobile workspace for building simple HTML/CSS/JS projects. 👉 https://vanillapad.dev The idea came from something I kept running into. Sometimes I'd need a simple utility app or a quick landing page or to test a little game idea. Getting the initial code written was easy since I could just ask ChatGPT or Claude on my phone. The hard part came af