Uncurl.dev – Convert curl commands to a shareable, executable UI
Hey HN, I built uncurl.dev to scratch my own itch: I kept getting curl commands in API docs, bug reports, or Slack messages and wanted a quick way to visualize, run, and debug them without firing up Postman or writing code to dissect them. It was also sometimes painful to create a test page specifically for non-tech users to consume an API. I originally vibe-coded this over a weekend just to make it easier for myself to debug API requests shared as curl commands. It slowly grew into something I found surprisingly useful in my workflow, so I decided to clean it up and share it. uncurl.dev…
In plain words
Uncurl.dev converts curl commands into a shareable, visual interface where users can inspect, edit, and execute API requests without specialized tools. Designed for developers who receive curl commands in documentation or messages, it provides a way to visualize request components and optionally run them server-side. This tool is also useful for creating test pages that allow non-technical users to interact with APIs through a simple interface.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN, I built uncurl.dev to scratch my own itch: I kept getting curl commands in API docs, bug reports, or Slack messages and wanted a quick way to visualize, run, and debug them without firing up Postman or writing code to dissect them. It was also sometimes painful to create a test page specifically for non-tech users to consume an API. I originally vibe-coded this over a weekend just to make it easier for myself to debug API requests shared as curl commands. It slowly grew into something I found surprisingly useful in my workflow, so I decided to clean it up and share it. uncurl.dev takes a curl command and: - Converts it into a visual representation - Lets you edit and inspect all parts of the request - Allows sharing via a unique link - (Optionally) executes it from the server, so business or non-technical users can see results Execution is currently behind login, with a cap (5/min) to avoid abuse and manage costs. Non-logged-in users can still build and share curl commands—they just can’t execute them. The server runs each request in a Docker sandbox with strict resource/time limits (cpu, memory, timeout, no network access outside the request). It’s not meant to replace full-featured tools like Postman or Hoppscotch. It’s more of a “CLI-to-UI bridge” for fast sharing and debugging, especially in dev workflows where curl is the starting point. Think of it like Pastebin or JSFiddle, but for curl commands. If you’ve ever copied a curl from an API doc and wanted a cleaner way to see it or send it to someone else, I’d love your feedback. Thanks! (You can try it without signup here: https://uncurl.dev)
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