Prettier Email Headers
Hi, I'm Barry and I wanted to share this little tool I put together to help us (https://goodenough.us/) better parse email headers as we build Jelly (https://letsjelly.com/). We wanted an easier way to scan email headers when troubleshooting various issues that we run into with email handling. Email headers come into play when tracking who is involved in a conversation, tying conversations together, detecting spam, and more. Our eyes can get a little watery peering through raw email headers. This tool accepts a paste of a raw email, then it shows headers and…
In plain words
Prettier Email Headers is a tool that parses raw email headers and displays them in a readable format with definitions for each field. Built by the team behind Jelly, it helps users troubleshoot email handling issues by making it easier to scan headers when tracking conversations, detecting spam, and identifying involved parties. The tool accepts pasted raw emails and presents the information in a clearer layout, with header definitions sourced from multiple references.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi, I'm Barry and I wanted to share this little tool I put together to help us (https://goodenough.us/) better parse email headers as we build Jelly (https://letsjelly.com/). We wanted an easier way to scan email headers when troubleshooting various issues that we run into with email handling. Email headers come into play when tracking who is involved in a conversation, tying conversations together, detecting spam, and more. Our eyes can get a little watery peering through raw email headers. This tool accepts a paste of a raw email, then it shows headers and their values in a format that's easier on the eyes. Where possible, definitions are provided for each header. Most of these definitions (and their citations) were gathered by Chat GPT, with some editing by me. Corrections are welcomed! And, yes, some vibe coding was involved in the creation of this tool.
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