Happy Formatter

What it does

Happy Formatter is a powerful, browser-based code formatting tool that supports a wide range of programming languages and data formats. It's designed to make your coding experience smoother, more efficient, and, well, happier!

Start with JSON or jump to private tools for formatting, minifying, converting, decoding, hashing, and diffing. Workflows run client-side and keep your input on this device. Open another local tool or a targeted repair guide without turning the page into a directory. Paste a snippet, run the action, review any highlighted issue, then copy the result back to your work. 87 routes are grouped by file type and workflow. 13 of them open afrom happyformatter.com

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  Prettier2018 · prettier.io · ▲646

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  Happy Hues2019 · happyhues.co · ▲480

  Curated color palettes in action

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  HTML Formatter & Beautifier2025 · ▲10

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  Formatr2022 · ▲123

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  HTML FormatterMay 2026 · pangolintools.com · ▲2

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  Beautify Your Code2025 · beautifyourcode.com · ▲17

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  /dev/null▲486

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  Dev tools · 3d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

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  Dev tools · 28d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 26d ago · github.com

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

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  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 21d ago · talanoa.email

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  CoreSpeed▲332

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  buzzabout▲1,267

  Audience insights from 1B+ online discussions in 2 mins

  AI · 2024 · buzzabout.ai

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  bolt.new▲1,230

  Build and scale high-performing websites & apps using your words. Join millions and start building today.

  AI · 2024 · bolt.new

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  Feta▲1,217

  Run smarter stand-ups, build better products

  AI · 2024 · feta.io

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  Trag▲955

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  AI · 2024 · usetrag.com

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  Softr for Notion▲923

  Turn Notion databases into portals & apps with no code

  Dev tools · 2024 · softr.io

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  General Collaboration▲910

  One inbox for all your work discussions

  Work · 2024 · generalcollaboration.com