
CodeKitHub — Free Online Tools
Format and validate JSON online instantly without uploading your data.
@VeganVegan75738 · X
做了一个免费的 JSON 格式化工具。 支持: ✅ JSON 格式化 ✅ JSON 校验 ✅ 在线使用 ✅ 无需安装,数据不上传 开发者日常调试 JSON 可以直接用: #开发者 #前端开发 #工具
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Format and validate JSON online instantly without uploading your data.
@VeganVegan75738 · X
做了一个免费的 JSON 格式化工具。 支持: ✅ JSON 格式化 ✅ JSON 校验 ✅ 在线使用 ✅ 无需安装,数据不上传 开发者日常调试 JSON 可以直接用: #开发者 #前端开发 #工具

Write and run Wado programs in your browser using a client-side compiler and language server.
gfx · HN
Building a Rust-ish programming language with 100% coding agents: Wado

@JamesAuble https://t.co/GdUqHtJjbA
@Jasoliyaharsh1 · X

Browse interactive React and Next.js components, blocks, and Tailwind templates.
@Ksparth12 · X

110+ free developer tools including JSON formatter, JWT decoder, and regex tester that run entirely in your browser.
@abhilakshharora · X
Just launched DevTab on Product Hunt 🚀 110+ dev tools that run 100% in your browser. Zero server calls. No signup. Free forever. Would love your support 🙏 → #buildinpublic #DevTools

Browser extension that customizes webpages with text prompts for styling, layout, and feature changes.
alentodorov · HN
built it in spring 2026--ready to share today. use opus 4.8 to create css and js snipptes to style the websites you visit the way you want. make nytimes more print-like, hn more matrix, or just replace any mention of AI with the :poop-emoji" -- your call.

Build production-ready React and Next.js apps visually, export clean code.
@MahatiSingh · X

Chrome extension that organizes bookmarks visually on new tabs with workspaces and notes.
@IamYashKapoor · X
Built Tabisto (bookmark manager), a free Chrome extension and launched it in 5 days using Claude Code. Must try, you will really love it.

Learn to code and build projects through interactive games and challenges designed for the LLM era
@RahimNathwani · X
Not a direct answer but the guys at Exercism (non-profit that publishes really good and free programming language self-study courses) recently launched a separate site to teach junior programmers both vibe coding and software engineering fundamentals.

Shorten URLs instantly for easier sharing and tracking.
u/ItsTheJStaff · Reddit
Just Another Link Shortener Hi everyone, I am willing to share my freakingly ordinary project, I am not sure if I can (and should) post it here as I have never published any pet project seriously, but the time has come. It's not that I believe in the project or something, but after a long development that took about a month... I wiped out all the sources and determined that I had implemented over-engineered unusable geek-oriented piece of shit... and took a one-year break only to restart t

Turn HTML animations into watermark-free video for YouTube, TikTok and social platforms.
@FrameCastVideo · X

Free frontend developer tools for CSS generation, image compression, and more.
@iamdeepak89 · X